colinux-devel — Cooperative Linux development mailing list

Re: [coLinux-devel] Problems mounting reiserfs

[Ronald P. <pij...@ds...>]

> Hi,
>
> 	I also faced that problem before. Seems that there is a bug in coLinux
> with calculating size of partition(or maybe its windows reports zero
> size to coLinux, dunno). I fixed it by patching reiserfs driver in
> kernel, its easy, just find that error message in fs/reiserfs(it should
> be in super.c if i remember correctly) and comment out condition where
> it resides. After this fix it works OK for me.

It seems that people keep running into this problem. Can anyone confirm
that this is being worked on? As I indicated some time ago, I'd be willin=
g
to help debugging the problem, but could use some pointers on how to go
about doing this. E.g.

- can I debug coLinux
- which process should I debug
- which source files are involved with devices

Any help should get me started more quickly.

Ronald.

[coLinux-devel] Bridged and TAP networking

[Henry V. B. <hvo...@ec...>]

I have 2 questions/comments about colinux networking.
1.) I searched through the mailing list and don't know if this has been
addressed, but when using the TAP network driver and after using a fair
amount of internet bandwidth under colinux, Windows (Win 2k SP4) seems to
lose it's network connection(can't reach any external IPs).  However,
networking is still functional under colinux(including internet).  Window=
s
functions correctly again when colinux is rebooted or shutdown.  This
happened when when using Gentoo emerge a few times.  Has anyone else had
this issue?

2.) I've tried both the TAP and Bridged network drivers, and have noticed
a performance difference between the two especially when using a VNC X
session.  It seemed noticeably faster with the TAP driver which makes
sense as there are probably a few less software (driver) layers to go
through.  Has anyone tried, or is it possible, to use both interfaces at
the same time?  The bridged could be used for external traffic or
services, as windows ICS is a pain to get configured, and the TAP driver
for VNC or Cygwin X sessions.

Re: [coLinux-devel] Problems mounting reiserfs

[Alex <ro...@ya...>]

Hi,

	I also faced that problem before. Seems that there is a bug in coLinux 
with calculating size of partition(or maybe its windows reports zero 
size to coLinux, dunno). I fixed it by patching reiserfs driver in 
kernel, its easy, just find that error message in fs/reiserfs(it should 
be in super.c if i remember correctly) and comment out condition where 
it resides. After this fix it works OK for me.

Milind Kamble wrote:
> I have updated to coLinux-0.6.0 and use
> Debian-3.0r0 filesystem image to boot into Linux.
> I am having trouble mounting a reiserfs partition when
> colinux is booted up. The setup I have is follows:
> I have a 15G extended partition seperate from the
> Windows XP partition. It has 4 logical partitions
> within it, which were created using Knoppix, and then
> formatted using mkfs.reiserfs
> The mapping has been setup correctly to use raw disk
> in default.colinux.xml so that the partitions are
> accessible as /dev/cobd[2345] etc.
> Sample entry from default.colinux.xml:
> <block_device index="2"
> path=\Device\Harddisk0\Partition2" enabled="true"/>
> 
> Note: the partition is the first logical partition in
> the extended partition -- so from XP point of view,
> the partition is number 2
> 
> However when I try to mount I get the following error
> message:
> 
> colinux-mbk:~# mount -t reiserfs /dev/cobd3 /mnt/tmp
> reiserfs: found format "3.6" with standard journal
> Filesystem on 75:03 cannot be mounted because it is
> bigger than the device
> You may need to run fsck or increase size of your LVM
> partition
> Or may be you forgot to reboot after fdisk when it
> told you to
> mount: wrong fs type, bad option, bad superblock on
> /dev/cobd3,
>        or too many mounted file systems
>        (could this be the IDE device where you in fact
> use 
>         ide-scsi so that sr0 or sda or so is needed?)
> 
> Then I tried running mkfs.reiserfs from colinux as
> follows:
> 
> colinux-mbk:~# mkfs.reiserfs /dev/cobd2
> All data on /dev/cobd2 will be lost. Do you really
> want to create reiser filesystem(v3.6) (y/n) y
> Error: Invalid filesystem size (0).
> Error: Couldn't create filesystem on /dev/cobd2
> 
> So it seems that the size of /dev/cobd2 is reported to
> be 0, where as actual size is 2G.
> 
> Any clues what is going wrong?
> 
> When I reformatted the partition to ext3, they can be
> mounted with no problems in colinux.
> 
> Thanks
> 
> 
> 
> __________________________________
> Do you Yahoo!?
> Yahoo! Finance Tax Center - File online. File on time.
> http://taxes.yahoo.com/filing.html
> 
> 
> -------------------------------------------------------
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> _______________________________________________
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> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel
> 
> 

-- 
With best regards, Alex

Re: [coLinux-devel] Dual boot vs. coLinux setup

[<ch...@to...>]

If you set inittab to boot to runlevel 3 that would probably be the
easiest way to find out if X is the problem. If that is it and you later
decide that you would like an X login then the solution I gave for fstab
would work for changing out inittab and if you want to use an xdmcp
solution for cygX or vnc then you could use my method to swap out the
config file for xdm or gdm there is a setting there for not creating a
local display which you could set in the coLinux version of the file.

chris

> My guess is that gentoo is trying to start x at that point?  or doing
> some other framebuffer operation?  If so, that is what is causing the
> freeze.  Colinux doesn't yet support linux trying to use your display
> adapter.
>
> John LeSueur
>
> Ronald Pijnacker wrote:
>
>> Hi all,
>>
>> After tweaking reiserfs a bit (so it will not be stopped by a zero
>> sized device :-), I started my natively installed Gentoo distribution
>> for the first time. Then I ran into a couple of problems.
>>
>> /etc/fstab has an entry for / on /dev/hda6, but suddenly this has
>> become /dev/cobd0. Although I can specify this in default.colinux.xml,
>> during init it is remounted based on fstab. Some similar problem
>> happens for the swap device and cd-rom. Has anyone an elegant solution
>> for this?
>>
>> I manually edited fstab to accommodate said problem, then rebooted.
>> This went fine :) . Hoera!
>> That is... all services start (although I seem to have to press the
>> any key a few times). However, when I get the login promt everything
>> freeses, including Windows (XP Pro).
>> I guess that this can be related to the CFLAGS settings that I use for
>> Gentoo (includes -march=pentium3 -mcpu=pentium4), but that is just a
>> guess. I didn't expect Windows to freese either. Any comments?
>>
>> All in all, I'm slowly getting where I want to get :)
>>
>> Ronald.
>>
>>
>>
>>
>> -------------------------------------------------------
>> This SF.Net email is sponsored by: IBM Linux Tutorials
>> Free Linux tutorial presented by Daniel Robbins, President and CEO of
>> GenToo technologies. Learn everything from fundamentals to system
>> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
>> _______________________________________________
>> coLinux-devel mailing list
>> coL...@li...
>> https://lists.sourceforge.net/lists/listinfo/colinux-devel
>
>
>
>
> -------------------------------------------------------
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> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
> _______________________________________________
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> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel
>

[coLinux-devel] Problems mounting reiserfs

[Milind K. <mb...@ya...>]

I have updated to coLinux-0.6.0 and use
Debian-3.0r0 filesystem image to boot into Linux.
I am having trouble mounting a reiserfs partition when
colinux is booted up. The setup I have is follows:
I have a 15G extended partition seperate from the
Windows XP partition. It has 4 logical partitions
within it, which were created using Knoppix, and then
formatted using mkfs.reiserfs
The mapping has been setup correctly to use raw disk
in default.colinux.xml so that the partitions are
accessible as /dev/cobd[2345] etc.
Sample entry from default.colinux.xml:
<block_device index="2"
path=\Device\Harddisk0\Partition2" enabled="true"/>

Note: the partition is the first logical partition in
the extended partition -- so from XP point of view,
the partition is number 2

However when I try to mount I get the following error
message:

colinux-mbk:~# mount -t reiserfs /dev/cobd3 /mnt/tmp
reiserfs: found format "3.6" with standard journal
Filesystem on 75:03 cannot be mounted because it is
bigger than the device
You may need to run fsck or increase size of your LVM
partition
Or may be you forgot to reboot after fdisk when it
told you to
mount: wrong fs type, bad option, bad superblock on
/dev/cobd3,
       or too many mounted file systems
       (could this be the IDE device where you in fact
use 
        ide-scsi so that sr0 or sda or so is needed?)

Then I tried running mkfs.reiserfs from colinux as
follows:

colinux-mbk:~# mkfs.reiserfs /dev/cobd2
All data on /dev/cobd2 will be lost. Do you really
want to create reiser filesystem(v3.6) (y/n) y
Error: Invalid filesystem size (0).
Error: Couldn't create filesystem on /dev/cobd2

So it seems that the size of /dev/cobd2 is reported to
be 0, where as actual size is 2G.

Any clues what is going wrong?

When I reformatted the partition to ext3, they can be
mounted with no problems in colinux.

Thanks



__________________________________
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Re: [coLinux-devel] Dual boot vs. coLinux setup

[morfic <mo...@bb...>]

Im very curious about the freezing part, im currently using gentoo in a 
10GB image since i have yet to manage to find a livecd (reg gentoo and 
knoppix fail to see the ricoh fireiwre adapter in this Sony laptop) to 
partition and format a 13GB area that is unused on my firewire drive, 
but back to the freezing i have problems when compiling in gentoo and 
after X number of packages my laptop simply shuts down.
My first thought was over heating, a thought i discarded since i was 
able to create more heat and for a longer time when repacking several 
images i used for colinux and wanted to have backed up since one of 
those shut downs rendered two images unusable before
you use -march=pentium3 -mcpu=pentium4 which should elegantly give the 
most optimized gentoo for a P4 while not having to worry about 
-march=pentium4 now correctly generating code or not (a problem in the past)
i would like to point out i have had those shutdowns very frequent when 
using -march=pentium4 (i am trusting gcc 3.3.2 there) and still managed 
to get one since trying it all again with just -march=i686 -O2 
-fomit-frame-pointer -pipe

if anyone else has problems with freezes and or shut downs on P4s i 
would like to hear about it



Ronald Pijnacker wrote:

> Hi all,
>
> After tweaking reiserfs a bit (so it will not be stopped by a zero 
> sized device :-), I started my natively installed Gentoo distribution 
> for the first time. Then I ran into a couple of problems.
>
> /etc/fstab has an entry for / on /dev/hda6, but suddenly this has 
> become /dev/cobd0. Although I can specify this in default.colinux.xml, 
> during init it is remounted based on fstab. Some similar problem 
> happens for the swap device and cd-rom. Has anyone an elegant solution 
> for this?
>
> I manually edited fstab to accommodate said problem, then rebooted. 
> This went fine :) . Hoera!
> That is... all services start (although I seem to have to press the 
> any key a few times). However, when I get the login promt everything 
> freeses, including Windows (XP Pro).
> I guess that this can be related to the CFLAGS settings that I use for 
> Gentoo (includes -march=pentium3 -mcpu=pentium4), but that is just a 
> guess. I didn't expect Windows to freese either. Any comments?
>
> All in all, I'm slowly getting where I want to get :)
>
> Ronald.
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: IBM Linux Tutorials
> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
> _______________________________________________
> coLinux-devel mailing list
> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel
>
>

[coLinux-devel] FLTK stackdump.

[gboutwel <gbo...@pr...>]

Hi,



  Attached is an stackdump gotten from FLTK using an Debian image.
 Crashes pretty good.  It's pretty reproducable in my case, as
a normal user run vi /etc/X11/default-display-manager, then press
O to add an new line and boom it crashes and stack-dumps.



HTH,



George



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RE: [coLinux-devel] Dual boot vs. coLinux setup

[Daniel R. S. <dan...@ya...>]

I ran into the same issue with /etc/fstab for my dual boot fedora
installation. What I did was to create a small (250MB) file to use as a root
partition. This I booted the debian image under colinux, mounted my fedora
partition and the root file. Then I copied /etc, /bin, /sbin, /lib and
/lib/modules from the fedora partition to the root file. I created a
directory /.fedora on the root file, changed /etc/fstab on the root file to
mount /dev/cobd0 on / and /dev/cobd2 on /.fedora. Then I created symbolic
links for the rest of the directories in / that pointed to the corresponding
directories on the fedora partition. 

 This seems to work great for me. I can run fedora either under colinux or
natively.

Dan


-----Original Message-----
From: col...@li...
[mailto:col...@li...] On Behalf Of John LeSueur
Sent: Tuesday, March 30, 2004 3:53 PM
To: Ronald Pijnacker
Cc: col...@li...
Subject: Re: [coLinux-devel] Dual boot vs. coLinux setup

My guess is that gentoo is trying to start x at that point?  or doing 
some other framebuffer operation?  If so, that is what is causing the 
freeze.  Colinux doesn't yet support linux trying to use your display 
adapter.

John LeSueur

Ronald Pijnacker wrote:

> Hi all,
>
> After tweaking reiserfs a bit (so it will not be stopped by a zero 
> sized device :-), I started my natively installed Gentoo distribution 
> for the first time. Then I ran into a couple of problems.
>
> /etc/fstab has an entry for / on /dev/hda6, but suddenly this has 
> become /dev/cobd0. Although I can specify this in default.colinux.xml, 
> during init it is remounted based on fstab. Some similar problem 
> happens for the swap device and cd-rom. Has anyone an elegant solution 
> for this?
>
> I manually edited fstab to accommodate said problem, then rebooted. 
> This went fine :) . Hoera!
> That is... all services start (although I seem to have to press the 
> any key a few times). However, when I get the login promt everything 
> freeses, including Windows (XP Pro).
> I guess that this can be related to the CFLAGS settings that I use for 
> Gentoo (includes -march=pentium3 -mcpu=pentium4), but that is just a 
> guess. I didn't expect Windows to freese either. Any comments?
>
> All in all, I'm slowly getting where I want to get :)
>
> Ronald.
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: IBM Linux Tutorials
> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
> _______________________________________________
> coLinux-devel mailing list
> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel




-------------------------------------------------------
This SF.Net email is sponsored by: IBM Linux Tutorials
Free Linux tutorial presented by Daniel Robbins, President and CEO of
GenToo technologies. Learn everything from fundamentals to system
administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
_______________________________________________
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coL...@li...
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RE: [coLinux-devel] Patches for Fedora kernel

[Daniel R. S. <dan...@ya...>]

I have never been able to successfully re-compile the kernel sources that
come with Fedora/Redhat. Because of this, I never use the kernel that ships
with fedora. Instead, I get sources for 2.4.25 from www.kernel.org and use
those. Fedora Core runs fine with this kernel both natively and under
coLinux.

-----Original Message-----
From: col...@li...
[mailto:col...@li...] On Behalf Of Jaroslaw
Kowalski
Sent: Monday, March 29, 2004 12:04 PM
To: col...@li...
Subject: [coLinux-devel] Patches for Fedora kernel

Hi guys!

Has anybody been successful in recompiling Fedora Core 1 kernel with coLinux
patches applied? Do you have a patch against this kernel available?

Another question: is coLinux available as a patch for 2.6.x kernel ?

Jarek



-------------------------------------------------------
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Free Linux tutorial presented by Daniel Robbins, President and CEO of
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_______________________________________________
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Re: [coLinux-devel] SMP system freeze completely

[Alejandro R. S. <as...@MI...>]

I had the same problem on my work machine (P4, HT).

Until a more permanent fix is made, what you can do is use imagecfg
(google: imagecfg) to set the colinux binaries to be uniprocessor.

in your colinux dir:
imagecfg -u *.exe

-Alejandro


On Tue, 2004-03-30 at 14:31, Florent CUETO wrote:
>  
> 
> Hello,
> 
>  
> 
> I hope my feedback will help. I’m using colinux 0.6.0 with the
> provided debian image.
> 
> I use the default kernel provided with colinux.
> 
> My config is Pentium 3.0C HT on windows xp pro SP1.
> 
>  
> 
> I encounter the same random “crash” at boot time (and sometime on
> linux shutdown).
> 
> colinux daemon does not answer anymore, and a few seconds later,
> windows freezes (In fact not exactly, I can move the mouse but can do
> no action, the keyboard does not answer anymore (num lock key has no
> action, the led remains on), and if I keep pressing keys, my
> motherboard starts beeping on each key press.
> 
>  
> 
> When the problem occurs, the colinux daemon says: (I can’t remember
> but it is network related).
> 
> and the linux console says : syslog starting.
> 
>  
> 
> Another precision: even when colinux doesn’t crash, this step takes a
> lot of time to execute.
> 
>  
> 
> The crash seems to be network related, as I had no crash before
> configuring the network.
> 
> But I’m sure this is not a TAP-Win32 problem because I simply do not
> use it. I even desinstalled the tap driver. I use a winpcap bridge
> instead.
> 
>  
> 
> I cannot send any log or crash dump because when the problem occurs,
> windows crash immediately…
> 
>  
> 
> Last, when colinux boot succeeds, I can use colinux during hours with
> no problem…
> 
> Could you please make a release that binds the the 1st processor until
> the SMP problem is resolved ? Because the multiple crashs make me
> loose some data, and I will not use colinux anymore until this problem
> is solved…
> 
>  
> 
> Florent
> 
>  
> 
> 

Re: [coLinux-devel] Dual boot vs. coLinux setup

[John L. <jo...@su...>]

My guess is that gentoo is trying to start x at that point?  or doing 
some other framebuffer operation?  If so, that is what is causing the 
freeze.  Colinux doesn't yet support linux trying to use your display 
adapter.

John LeSueur

Ronald Pijnacker wrote:

> Hi all,
>
> After tweaking reiserfs a bit (so it will not be stopped by a zero 
> sized device :-), I started my natively installed Gentoo distribution 
> for the first time. Then I ran into a couple of problems.
>
> /etc/fstab has an entry for / on /dev/hda6, but suddenly this has 
> become /dev/cobd0. Although I can specify this in default.colinux.xml, 
> during init it is remounted based on fstab. Some similar problem 
> happens for the swap device and cd-rom. Has anyone an elegant solution 
> for this?
>
> I manually edited fstab to accommodate said problem, then rebooted. 
> This went fine :) . Hoera!
> That is... all services start (although I seem to have to press the 
> any key a few times). However, when I get the login promt everything 
> freeses, including Windows (XP Pro).
> I guess that this can be related to the CFLAGS settings that I use for 
> Gentoo (includes -march=pentium3 -mcpu=pentium4), but that is just a 
> guess. I didn't expect Windows to freese either. Any comments?
>
> All in all, I'm slowly getting where I want to get :)
>
> Ronald.
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: IBM Linux Tutorials
> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
> _______________________________________________
> coLinux-devel mailing list
> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel

[coLinux-devel] SMP system freeze completely

[Florent C. <fc...@wa...>]

 

Hello,

 

I hope my feedback will help. I'm using colinux 0.6.0 with the provided
debian image.

I use the default kernel provided with colinux.

My config is Pentium 3.0C HT on windows xp pro SP1.

 

I encounter the same random "crash" at boot time (and sometime on linux
shutdown).

colinux daemon does not answer anymore, and a few seconds later, windows
freezes (In fact not exactly, I can move the mouse but can do no action, the
keyboard does not answer anymore (num lock key has no action, the led
remains on), and if I keep pressing keys, my motherboard starts beeping on
each key press.

 

When the problem occurs, the colinux daemon says: (I can't remember but it
is network related).

and the linux console says : syslog starting.

 

Another precision: even when colinux doesn't crash, this step takes a lot of
time to execute.

 

The crash seems to be network related, as I had no crash before configuring
the network.

But I'm sure this is not a TAP-Win32 problem because I simply do not use it.
I even desinstalled the tap driver. I use a winpcap bridge instead.

 

I cannot send any log or crash dump because when the problem occurs, windows
crash immediately.

 

Last, when colinux boot succeeds, I can use colinux during hours with no
problem.

Could you please make a release that binds the the 1st processor until the
SMP problem is resolved ? Because the multiple crashs make me loose some
data, and I will not use colinux anymore until this problem is solved.

 

Florent

 

Re: [coLinux-devel] Dual boot vs. coLinux setup

[<ch...@to...>]

I would recomend getting the second problem fixed with your manually
edited fstab first before going on to my other sugestion.

chris

> Hi all,
>
> After tweaking reiserfs a bit (so it will not be stopped by a zero sized
> device :-), I started my natively installed Gentoo distribution for the
> first time. Then I ran into a couple of problems.
>
> /etc/fstab has an entry for / on /dev/hda6, but suddenly this has become
> /dev/cobd0. Although I can specify this in default.colinux.xml, during
> init it is remounted based on fstab. Some similar problem happens for
> the swap device and cd-rom. Has anyone an elegant solution for this?
>
> I manually edited fstab to accommodate said problem, then rebooted. This
> went fine :) . Hoera!
> That is... all services start (although I seem to have to press the any
> key a few times). However, when I get the login promt everything
> freeses, including Windows (XP Pro).
> I guess that this can be related to the CFLAGS settings that I use for
> Gentoo (includes -march=pentium3 -mcpu=pentium4), but that is just a
> guess. I didn't expect Windows to freese either. Any comments?
>
> All in all, I'm slowly getting where I want to get :)
>
> Ronald.
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: IBM Linux Tutorials
> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
> _______________________________________________
> coLinux-devel mailing list
> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel
>

Re: [coLinux-devel] Dual boot vs. coLinux setup

[<ch...@to...>]

This is exactly what my topologilinux howto acomplishes on the coLinux
wiki page but that is for a slackware based distro on a loopback
filesystem. I use the fact that /initrd the mount point for the initrd in
a native boot is not used by coLinux mode.

hprofile can change configuation files for different boot methods but this
can only be done after / is rw

If you are not using an initrd for native boot you could create a do
nothing initrd for native boot mode that just has a linuxrc that does the
pivot root see the initrd.txt file in kernel source documentation.

chris

> Hi all,
>
> After tweaking reiserfs a bit (so it will not be stopped by a zero sized
> device :-), I started my natively installed Gentoo distribution for the
> first time. Then I ran into a couple of problems.
>
> /etc/fstab has an entry for / on /dev/hda6, but suddenly this has become
> /dev/cobd0. Although I can specify this in default.colinux.xml, during
> init it is remounted based on fstab. Some similar problem happens for
> the swap device and cd-rom. Has anyone an elegant solution for this?
>
> I manually edited fstab to accommodate said problem, then rebooted. This
> went fine :) . Hoera!
> That is... all services start (although I seem to have to press the any
> key a few times). However, when I get the login promt everything
> freeses, including Windows (XP Pro).
> I guess that this can be related to the CFLAGS settings that I use for
> Gentoo (includes -march=pentium3 -mcpu=pentium4), but that is just a
> guess. I didn't expect Windows to freese either. Any comments?
>
> All in all, I'm slowly getting where I want to get :)
>
> Ronald.
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: IBM Linux Tutorials
> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
> _______________________________________________
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> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel
>

[coLinux-devel] Dual boot vs. coLinux setup

[Ronald P. <pij...@ds...>]

Hi all,

After tweaking reiserfs a bit (so it will not be stopped by a zero sized 
device :-), I started my natively installed Gentoo distribution for the 
first time. Then I ran into a couple of problems.

/etc/fstab has an entry for / on /dev/hda6, but suddenly this has become 
/dev/cobd0. Although I can specify this in default.colinux.xml, during 
init it is remounted based on fstab. Some similar problem happens for 
the swap device and cd-rom. Has anyone an elegant solution for this?

I manually edited fstab to accommodate said problem, then rebooted. This 
went fine :) . Hoera!
That is... all services start (although I seem to have to press the any 
key a few times). However, when I get the login promt everything 
freeses, including Windows (XP Pro).
I guess that this can be related to the CFLAGS settings that I use for 
Gentoo (includes -march=pentium3 -mcpu=pentium4), but that is just a 
guess. I didn't expect Windows to freese either. Any comments?

All in all, I'm slowly getting where I want to get :)

Ronald.

Re: [coLinux-devel] colinux is dope! Newbie reports his experiences...

[Gregory M. T. <gmt...@am...>]

Haha, this one was kind of dumb too.  I forgot that 2.4.x kernels still don't 
have crypto-loop in mainline :-)  My guess is it will be fine once I apply 
the patch :-P

On Monday 29 March 2004 04:25 pm, Gregory M. Turner wrote:
> crypto-loop -> cobd (dos device) is apparently broken.

-- 
gmt

Re: [coLinux-devel] colinux is dope! Newbie reports his experiences...

[Gregory M. T. <gmt...@am...>]

An observant individual has reminded me that I probably meant "-march" instead 
of "-mcpu," and, indeed, I did.... Now that I have put significant effort 
into building my coLinux box, however, I'm reluctant to break it, so I will 
wait and see if anyone warns me against this before I take the plunge.

On Monday 29 March 2004 04:25 pm, I wrote:
> "-mcpu=athlon-xp -O3 -pipe -fomit-frame-pointer -mmmx -m3dnow"

-- 
gmt

Re: [coLinux-devel] VM everywhere

[Ian L. <Ian...@mq...>]

> Another idea, what about an openmosix or an openssi cluster based on
> several co-linux machines ?
> Our student laboratories use dual boot machine (linux/Win2k). It would be
> cool
> if we can build a "ghost machine" with several openssi-colinux aggreged with
> no care
> on which OS (linux/Win2k) the real computers are running ?
> 
> Will it be possible in future ?

Yes.  As soon as I can get some time (or someone else beats me to it ;-),
I will get back into CHAOS integration with coLinux.



--
Ian Latter
Internet and Networking Security Officer
Macquarie University

[coLinux-devel] colinux is dope! Newbie reports his experiences...

[Gregory M. T. <gmt...@am...>]

Hello, my work for the wine project and as a web programmer make it 
particularly handy to have a PC virtualization capability.  I have 
historically used VMWare -- when I heard about colinux I was very pleased, as 
VMWare is the pits.

As of the 0.6.0 release, I decided to take the plunge and give it a try.  Here 
are a couple of notes on my experiences:

Not a single blue screen of death yet.  Yay!  I cannot say the same for VMWare 
(although I have of course put VMWare though its paces for a much longer 
period of time).

I needed (way) more than 8 cobd devices.  So, I changed CO_MODULE_MAX_COBD in 
include/linux/cooperative.h, and then spent some time scratching my head as 
to why this didn't work (no, the problem wasn't that I needed to recompile 
the kernel after the change :-)).  After some grepping I found the cobd_devs 
assignment in cobd_init().  But, why is this not set to CO_MODULE_MAX_COBD 
(perhaps you plan to implement a kernel argument later (or already did))?  
Further grepping reveals that the constant is only used in the co_module_t 
struct.

I am a Gentoo user and decided to push my luck with CFLAGS and see what 
happens.  So far, I have seen a small degree of unexplained instability on my 
system, but it's quite small and not neccesarily attributable to coLinux.  I 
may scale this back a bit to see if my problems disappear.  For example, 
there is a package that fails to build repeatably, giving a suspicious "out 
of memory" error, allegedly during an "mv" operation.  Also, I have seen some 
crashes in kmail (I think those are attributable to no audio device present, 
kde 3.2 is particularly unforgiving of this).  Here are the C{,XX}FLAGS I 
have used (I have an Athlon XP) to compile "all" my userland stuff (not 
quite, Gentoo censors them sometimes):

"-mcpu=athlon-xp -O3 -pipe -fomit-frame-pointer -mmmx -m3dnow"

As you can see, these are (deliberately) rather agressive.  Please let me know 
if any of these CPU features are known to be broken in coLinux atm, or, 
oppositely, if I should also be able to add "sse".

Anyhow, it's super-impressive  that all those CPU features seem to be working 
(at least in user-land, see below)...  I will look into the "mv out of 
memory" thing -- I'm not at all convinced that it's not coLinux's fault, as 
it is 100% repeatable which doesn't sound like your typical coLinux register 
snafu.

Now for a bit of possibly bad news.  I wasn't sure if I was supposed to be 
able to get away with this or not, but I tried compiling my kernel optimized 
for Athlon, and without frame pointers.  This kernel ran admirably well, but 
exhibited occasional, non-repeatable crashes in user-level Linux processes 
(i.e., gcc segfaults), typically under heavy cobd disk load.  Should this 
have worked?  Changing back to 586/frame-pointers put me back in business... 
I haven't not tried separating these two to figure out which one(s) 
specifically cause(s) problems.

Stuff that's notably working great:
====

md (raid) -> loopback -> cobd (dos device) (yay!!! That's /home!)

access to my "raw" linux ext3 partitions.

full gentoo KDE sessions via kdm/xdmcp/vnc.

512M of Colinux RAM.


Wierd/broken stuff I've seen:
====

crypto-loop -> cobd (dos device) is apparently broken.

This one is weird.  I noticed it playing music over samba.  On Windows XP, the 
Windows "explorer.exe" process is set to high priority by default (this way 
you can still use the start menu when some regular-priority process goes 
postal).  If I run "explorer" (as a file browser), and right click on some 
file, and then wait a few seconds, leaving the pop-up right-click menu 
on-screen, then CPU utilization will max out and coLinux will starve in a big 
way.  I did not push my luck with these experiments for fear of 
blue-screening my box or panicing coLinux.  But it was enough to stop Winamp 
from reading over samba, that's for sure, and fully repeatable.  Changing the 
process-priority of explorer.exe to "Normal" or lower seems to "solve" this 
problem.


Anyhow, thanks again for all this work, Dan and others.  Also, congratulations 
on the Linux port!  

-- 
gmt

Re: [coLinux-devel] VM everywhere

[tei <42...@in...>]

Digital Infra, Inc. escribió:

>  
>  
> Hi.
> 
> Yeah! finally, coLinux runs on Linux.
> and if it comes supending function ( is planned to be in the near future),
> They can share a same suspending image. good. good. good...
> 
> Then we can run same VM on many places, without shutting down.
> It migrates lively. very cool, dont you?
> 
>    - On the road, you run your VM on your Windows laptop.
>    - when you are home, you migrate your VM to your Linux box lively.
>    - when you go, you supend whole VM image to one USB stick.
>      you can attach it to KIOSK, net cafe,,,,.
>      everywhere you go, you can resume your VM.
>      if this comes, definition of "computer" for avarage people would be changed.
>      they think USB stick is a computer, and PC is just a drive for it.

maybe you already known...
http://featherlinux.berlios.de/

[coLinux-devel] Knoppix and colinux

[Tracy R R. <tr...@co...>]

I read somewhere that the Japanese version of Knoppix had been modified to
use colinux. Has anyone done the same with the english version? How well
did it work? It would be nice to have a knoppix disk that users don't have
to reboot their PC for, just insert it into the drive and Windows
automatically starts Linux. Is this possible?

I give out lots of knoppix demo disks but because it has to be booted and
can't just be run I have a feeling  that half of them never get used.

--=20
Tracy Reed                     The attachment is a digital signature.
http://copilotconsulting.com   More info: http://copilotconsulting.com/sig

[coLinux-devel] Patches for Fedora kernel

[Jaroslaw K. <ja...@zd...>]

Hi guys!

Has anybody been successful in recompiling Fedora Core 1 kernel with coLinux
patches applied? Do you have a patch against this kernel available?

Another question: is coLinux available as a patch for 2.6.x kernel ?

Jarek

Re: [coLinux-devel] VM everywhere

[Digital I. Inc. <ok...@di...>]

It is easy.

If your PC is idle,
You download VM from a file server, resume it on your PC (Linux/Win, both),
then back your VM suspending image to a file server.

But I think coLinux is not so suited for this purpose.
because, it runs on ring0.
if a VM you downloaded has virus or such, your PC gets virus.
I dont want to take such a risk. do you want?
Maybe a pair of UML/UMLWin32 is better.

What you mentioned is a kind of grid computing.
And another big issue for it is, what you use it for?
I think only market for such a technology is
scientific area, in short, number crunching.
You know any other usage?


    --- Okajima.




>> how about this idea?
>Another idea, what about an openmosix or an openssi cluster based on
>several co-linux machines ?
>Our student laboratories use dual boot machine (linux/Win2k). It would be
>cool
>if we can build a "ghost machine" with several openssi-colinux aggreged with
>no care
>on which OS (linux/Win2k) the real computers are running ?
>
>Will it be possible in future ?
>
>Jacques Landru
>
>
>----- Original Message ----- 
>From: "Digital Infra, Inc." <ok...@di...>
>To: <col...@li...>
>Sent: Monday, March 29, 2004 4:05 PM
>Subject: [coLinux-devel] VM everywhere
>
>
>>
>>
>> Hi.
>>
>> Yeah! finally, coLinux runs on Linux.
>> and if it comes supending function ( is planned to be in the near future),
>> They can share a same suspending image. good. good. good...
>>
>> Then we can run same VM on many places, without shutting down.
>> It migrates lively. very cool, dont you?
>>
>>    - On the road, you run your VM on your Windows laptop.
>>    - when you are home, you migrate your VM to your Linux box lively.
>>    - when you go, you supend whole VM image to one USB stick.
>>      you can attach it to KIOSK, net cafe,,,,.
>>      everywhere you go, you can resume your VM.
>>      if this comes, definition of "computer" for avarage people would be
>changed.
>>      they think USB stick is a computer, and PC is just a drive for it.
>>    - if coLinux combine with XEN, you can run your VM on virtual hosting
>service.
>>      if your mobile phone has a functionality like VNC, you can use your
>VM
>>      from everywhere, without carrying a laptop PC.
>>
>> how about this idea?
>> and one question:
>>
>>    is it possible to combile coLinux with XEN?
>>    or is it possible to run coLinux more than ring0?
>>
>> note: XEN is Cambridge University's research and similar to coLinux.
>>       it runs multiple VMs on ring1. each VM is isolated completely.
>> http://www.cl.cam.ac.uk/Research/SRG/netos/xen/
>>
>>                --- Okajima.
>>
>>
>>
>>
>>
>> -------------------------------------------------------
>> This SF.Net email is sponsored by: IBM Linux Tutorials
>> Free Linux tutorial presented by Daniel Robbins, President and CEO of
>> GenToo technologies. Learn everything from fundamentals to system
>> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
>> _______________________________________________
>> coLinux-devel mailing list
>> coL...@li...
>> https://lists.sourceforge.net/lists/listinfo/colinux-devel
>>
>

Re: [coLinux-devel] VM everywhere

[Jacques L. <la...@en...>]

> how about this idea?
Another idea, what about an openmosix or an openssi cluster based on
several co-linux machines ?
Our student laboratories use dual boot machine (linux/Win2k). It would be
cool
if we can build a "ghost machine" with several openssi-colinux aggreged with
no care
on which OS (linux/Win2k) the real computers are running ?

Will it be possible in future ?

Jacques Landru


----- Original Message ----- 
From: "Digital Infra, Inc." <ok...@di...>
To: <col...@li...>
Sent: Monday, March 29, 2004 4:05 PM
Subject: [coLinux-devel] VM everywhere


>
>
> Hi.
>
> Yeah! finally, coLinux runs on Linux.
> and if it comes supending function ( is planned to be in the near future),
> They can share a same suspending image. good. good. good...
>
> Then we can run same VM on many places, without shutting down.
> It migrates lively. very cool, dont you?
>
>    - On the road, you run your VM on your Windows laptop.
>    - when you are home, you migrate your VM to your Linux box lively.
>    - when you go, you supend whole VM image to one USB stick.
>      you can attach it to KIOSK, net cafe,,,,.
>      everywhere you go, you can resume your VM.
>      if this comes, definition of "computer" for avarage people would be
changed.
>      they think USB stick is a computer, and PC is just a drive for it.
>    - if coLinux combine with XEN, you can run your VM on virtual hosting
service.
>      if your mobile phone has a functionality like VNC, you can use your
VM
>      from everywhere, without carrying a laptop PC.
>
> how about this idea?
> and one question:
>
>    is it possible to combile coLinux with XEN?
>    or is it possible to run coLinux more than ring0?
>
> note: XEN is Cambridge University's research and similar to coLinux.
>       it runs multiple VMs on ring1. each VM is isolated completely.
> http://www.cl.cam.ac.uk/Research/SRG/netos/xen/
>
>                --- Okajima.
>
>
>
>
>
> -------------------------------------------------------
> This SF.Net email is sponsored by: IBM Linux Tutorials
> Free Linux tutorial presented by Daniel Robbins, President and CEO of
> GenToo technologies. Learn everything from fundamentals to system
> administration.http://ads.osdn.com/?ad_id=1470&alloc_id=3638&op=click
> _______________________________________________
> coLinux-devel mailing list
> coL...@li...
> https://lists.sourceforge.net/lists/listinfo/colinux-devel
>

[coLinux-devel] VM everywhere

[Digital I. Inc. <ok...@di...>]

 
 
Hi.

Yeah! finally, coLinux runs on Linux.
and if it comes supending function ( is planned to be in the near future),
They can share a same suspending image. good. good. good...

Then we can run same VM on many places, without shutting down.
It migrates lively. very cool, dont you?

   - On the road, you run your VM on your Windows laptop.
   - when you are home, you migrate your VM to your Linux box lively.
   - when you go, you supend whole VM image to one USB stick.
     you can attach it to KIOSK, net cafe,,,,.
     everywhere you go, you can resume your VM.
     if this comes, definition of "computer" for avarage people would be changed.
     they think USB stick is a computer, and PC is just a drive for it.
   - if coLinux combine with XEN, you can run your VM on virtual hosting service.
     if your mobile phone has a functionality like VNC, you can use your VM
     from everywhere, without carrying a laptop PC.

how about this idea?
and one question:

   is it possible to combile coLinux with XEN?
   or is it possible to run coLinux more than ring0?

note: XEN is Cambridge University's research and similar to coLinux.
      it runs multiple VMs on ring1. each VM is isolated completely.
http://www.cl.cam.ac.uk/Research/SRG/netos/xen/

               --- Okajima.