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From: Marek S. <ma...@st...> - 2003-01-13 17:43:47
|
Hello Krystian On 13.01.03, you wrote: > The thing with apne in 2.4.20 is more complex... I found a few errors in > apne.c driver but unfortunately it doesn't work as it worked in 2.4.18. > The bug is also somewhere else. I noticed that. When I replaced apne driver from 2.4.20 with the one from 2.4.18 kernel panic on attempt to init PCMCIA... >> How could I help to solve these problems? > Become Apus developer. If you know C language and you're able to > compile kernel yourself, you can really help us... I have no problems with C, as I've been using it for about 4 years - mainly under Linux. Also compiling my own kernel is no problem for me. The only problem is that I have don't have much free time, but I will try to help. Regards -- Marek Szyprowski .. GG:2309080 .. mailto:ma...@am... .. ...... happy AmigaOS, MacOS and Debian/Linux user ........ ........... http://march.home.staszic.waw.pl/ ............ |
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From: Krystian B. <cah...@st...> - 2003-01-13 15:49:58
|
On Thu, 19 Dec 2002, Ondrej Zima wrote: > as I read on VGR.com news, there is developer to preparing the Mediator > PCI driver for Linux. Is this developer (Mr. Adam Kowalczyk) in this > list? Can this developer submit some reports? Why the drivers take so > long time? (I mean with help of primar developers of linux APUS would be > better to do) > From messages I saw I have a guess the driver be very closed source > with some dongle protection/destruction (like in SpiderUSB). > Is it the way we want??? It's true. I've asked ELBOX guy. No, We (or at least I) don't want it to be closed source. But the other thing is that we have nothing to say :( BTW. Primary developers of Linux APUS are asleep (if it isn't obvious watch activity of linux-apus-devel ml). None of them have A1200, so they won't help him so much. APUS kernel in current state is almost unusable I don't think they're really interested in developing support for mediator. I think it's their game against "Prometeusz PCI Bridge" (also produced in Poland). Regards Krystian Baclawski |
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From: Krystian B. <cah...@st...> - 2003-01-13 15:41:29
|
On Sat, 11 Jan 2003, Marek Szyprowski wrote: > I've posted this message about 2 weeks ago. There was no answer, so I don't > know, if it really reached the ml. > > Some time ago I installed Debian Woody on my disk. I alsod upgraded kernel > to 2.4.x (mainly because I need a filesystem with journal - I am tired of > waiting for fsck to check whole disk, and from time to time I loose some > important files). > > I tried many kernels and used the same system for all test. Results: > > 2.2.10 - lacks of any journaling fs, works stable, X works > > 2.4.13 - lacks of ext3 support, works stable, X doesn't work (monitor enters > "power saving mode" and never gets up, keyboard is blocked, "heard-beat" > works) > > 2.4.17 - has ext3 support, X works, standard amiga serial port works, kernel > is unstable (from time to time it panics with message "Attempted to kill > interrupt handler!", random networking tasks (inetd, smbd, exim, etc) > spontanously make "kernel oops" or cause the kernel panic) > > 2.4.18-3 - as above, but serial port does not work (when I open a console on > serial port and type any character system freezes - even no heat-beat), it > is more unstable as 2.4.17, when I removed IDE support it was even more > unstable. > > 2.4.20 - normally doesn't even boot, panics after detecting a PCMCIA > Ethernet Card (log attached), when I removed that card it boots, but its > also unstable. The truth is that 2.4.x kernel are unstable and above 2.4.13 they're unusable. There's nobody who can make it work on a1200 because most developers are A4000 users. I'm one of A1200 user but I'm hmm... almost alone and I have access to my amiga when I'm at home (studies in another city) > I used kernels from linux-apus.sourceforge.net, but there is no difference > when I tried self compiled kernels. > > My system: > A1200 with BlizzardPPC+SCSI+BVision, 80MBram, PCMCIA KingMax Ethernet, all > drives are SCSI drives. I don't have any IDE drive. That's why 2.4.x > kernels boots on my system. 2.4.20 should start using IDE driver. This problem is partially solved. The thing with apne in 2.4.20 is more complex... I found a few errors in apne.c driver but unfortunately it doesn't work as it worked in 2.4.18. The bug is also somewhere else. > How could I help to solve these problems? Become Apus developer. If you know C language and you're able to compile kernel yourself, you can really help us... Kind Regards |
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From: Marek S. <ma...@st...> - 2003-01-11 21:21:22
|
Hi! I've posted this message about 2 weeks ago. There was no answer, so I don't know, if it really reached the ml. Some time ago I installed Debian Woody on my disk. I alsod upgraded kernel to 2.4.x (mainly because I need a filesystem with journal - I am tired of waiting for fsck to check whole disk, and from time to time I loose some important files). I tried many kernels and used the same system for all test. Results: 2.2.10 - lacks of any journaling fs, works stable, X works 2.4.13 - lacks of ext3 support, works stable, X doesn't work (monitor enters "power saving mode" and never gets up, keyboard is blocked, "heard-beat" works) 2.4.17 - has ext3 support, X works, standard amiga serial port works, kernel is unstable (from time to time it panics with message "Attempted to kill interrupt handler!", random networking tasks (inetd, smbd, exim, etc) spontanously make "kernel oops" or cause the kernel panic) 2.4.18-3 - as above, but serial port does not work (when I open a console on serial port and type any character system freezes - even no heat-beat), it is more unstable as 2.4.17, when I removed IDE support it was even more unstable. 2.4.20 - normally doesn't even boot, panics after detecting a PCMCIA Ethernet Card (log attached), when I removed that card it boots, but its also unstable. I used kernels from linux-apus.sourceforge.net, but there is no difference when I tried self compiled kernels. My system: A1200 with BlizzardPPC+SCSI+BVision, 80MBram, PCMCIA KingMax Ethernet, all drives are SCSI drives. I don't have any IDE drive. That's why 2.4.x kernels boots on my system. How could I help to solve these problems? Pozdrawiam/Regards -- Marek Szyprowski .. GG:2309080 .. mailto:ma...@am... .. ...... happy AmigaOS, MacOS and Debian/Linux user ........ ........... http://march.home.staszic.waw.pl/ ............ |
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From: Ken T. <ke...@we...> - 2003-01-10 21:51:02
|
On Fri, 10 Jan 2003, Geert Uytterhoeven wrote: > On Fri, 10 Jan 2003, Ken Tyler wrote: > > I'm running 2.4.20, the current CVS version and noticed if I disconnect > > the keyboard my machine resets. I've done it several times and it's > > repeatable. It may been like this prior to 2.4.20, I don't often unplug > > the keyboard. > You didn't try this under AmigaOS, while you were experimenting with it? I have now and it doesn't happen, nor does it happen under an old 2.2.10 kernel. Ken. |
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From: Ken T. <ke...@we...> - 2003-01-10 20:31:20
|
On Fri, 10 Jan 2003, Geert Uytterhoeven wrote: > This is a hardware feature: pressing Ctrl-Amiga-Amiga pulls the reset line on > the keyboard connector. Disconnecting the keyboard may have the same effect. > Note that on `new' keyboards the keyboard first sends the reset warning > keycode, so the Amiga can tell the keyboard to not pull the reset line. > However, the real reset can be delayed for 10 seconds only, that's why we don't > use it to shutdown your computer, which can easily take more than 10 seconds. > You didn't try this under AmigaOS, while you were experimenting with it? I reaize how the reset and reset warning operate but I don't ever recall seeing it before, I would have thought it would have noticed it before. I'll try under Aniga OS. Ken, |
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From: Geert U. <ge...@li...> - 2003-01-10 09:38:44
|
On Fri, 10 Jan 2003, Ken Tyler wrote:
> I'm running 2.4.20, the current CVS version and noticed if I disconnect
> the keyboard my machine resets. I've done it several times and it's
> repeatable. It may been like this prior to 2.4.20, I don't often unplug
> the keyboard.
>
> Has anyone else experienced this problem ?
This is a hardware feature: pressing Ctrl-Amiga-Amiga pulls the reset line on
the keyboard connector. Disconnecting the keyboard may have the same effect.
Note that on `new' keyboards the keyboard first sends the reset warning
keycode, so the Amiga can tell the keyboard to not pull the reset line.
However, the real reset can be delayed for 10 seconds only, that's why we don't
use it to shutdown your computer, which can easily take more than 10 seconds.
You didn't try this under AmigaOS, while you were experimenting with it?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
|
|
From: Ken T. <ke...@we...> - 2003-01-10 06:37:29
|
I'm running 2.4.20, the current CVS version and noticed if I disconnect the keyboard my machine resets. I've done it several times and it's repeatable. It may been like this prior to 2.4.20, I don't often unplug the keyboard. Has anyone else experienced this problem ? Ken. |
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From: <cah...@po...> - 2003-01-03 11:23:24
|
Hi Geert! I think I found out thay way to switch fastata register to another set. I use ide_hwif_t->selectproc. Is it safe ? It's written that it tweaks hardware to select drive... Inside procedure I change hwif->io_ports and hwif->hw.io_ports. I think it should work but I have another problem. Can you possibly take a look at the source in attachment (should I post it to the list ?). I don't know why but during loading /bin/sh something trashes fastata_offsets !!! When kernel enters fastata_switch_register_set (immediately before kernel panics) fastata_offset contents is trashed (I know it because offsets address is the same as in previous calls). BTW. ELBOX programmer said that ide-interrupts on second port can only be found by polling specific fastata register, so a driver for second port cannot be interrupt-driven as gayle and others are. Regards Krystian Baclawski PS. Happy New Year 2003 ! --------------r-e-k-l-a-m-a----------------- Super tanie kwatery narciarskie. Od 300 zl/osoba/tydzien http://wycieczki.onet.pl |
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From: Michel <mi...@da...> - 2002-12-27 21:33:02
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On Fre, 2002-12-27 at 22:44, Krystian Bacławski wrote: > > On Mon, 2002-12-23 at 20:06, Krystian Bacławski wrote: > > > > > > I'm using 2.4.18 kernel and I experience a few problems with it. It's > > > quite stable but try to install xserver 4.x.x and you will start running > > > through the minefields :) I've lost one ext2 partition and two reiserfs > > > because of xserver 4.1.0 running on 2.4.18. I found out that this version > > > causes data corruption while writing to harddisk. Xserver 4.2.1 is a bit > > > better it doesn't cause data coruuption while writing to "/" partition, > > > but sometimes it trashes swap partition (what randomly crashes programs) > > > and after a xserver's restart every(!) program ends with "segmentation > > > fault" error. > > > > The X server can't really do that, sounds rather like a kernel or > > hardware problem. > > Yes, I thought that, but with 2.2.10 everything was ok... Probably a kernel problem then. > > Besides, I wouldn't recommend ReiserFS, not even on i386. > > It's not reiserfs specific problem, remember I've also lost ext2 > partition (and then my kernel didn't have reiserfs support compiled in). Sure, ext2 has a smaller chance than any journalling filesystem to survive a crash, but at least it's usually reliable in normal operation, whereas ReiserFS lost all data on one of my filesystems from one second to another. Fortunately, it contained no valuable data, but I considered that a warning and managed to convert my important filesystems to XFS in time. No serious problems since then, even with lots of crashes. Just FYI... -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast |
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From: <cah...@po...> - 2002-12-27 19:36:15
|
> On Mon, 2002-12-23 at 20:06, Krystian Bac=B3awski wrote:=20 > >=20 > > I'm using 2.4.18 kernel and I experience a few problems with it. It's > > quite stable but try to install xserver 4.x.x and you will start runnin= g > > through the minefields :) I've lost one ext2 partition and two reiserfs > > because of xserver 4.1.0 running on 2.4.18. I found out that this versi= on > > causes data corruption while writing to harddisk. Xserver 4.2.1 is a bi= t > > better it doesn't cause data coruuption while writing to "/" partition, > > but sometimes it trashes swap partition (what randomly crashes programs= ) > > and after a xserver's restart every(!) program ends with "segmentation > > fault" error. >=20 > The X server can't really do that, sounds rather like a kernel or > hardware problem. Yes, I thought that, but with 2.2.10 everything was ok... So it's not a hardware problem. Besides when I don't use X, my partition is clean. I think it's interrupts problem as many people suggest. I've no such a problem when I used 2.2.10, and also other problems I mentioned in messages I sent this week. Too many people using APUS think that their hardware is faulty... > Besides, I wouldn't recommend ReiserFS, not even on i386. It's not reiserfs specific problem, remember I've also lost ext2 partition (and then my kernel didn't have reiserfs support compiled in). Regards Krystian Baclawski =0D=0A=0D=0A***************r-e-k-l-a-m-a**************=0D=0A=0D=0AMasz do=B6=E6 p=B3acenia prowizji bankowi ?=0D=0AmBank - za=B3=F3=BF konto=0D=0Ahttp://epieniadze.onet.pl/mbank |
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From: Michel <mi...@da...> - 2002-12-27 18:05:07
|
On Mon, 2002-12-23 at 20:06, Krystian Bacławski wrote: > > I'm using 2.4.18 kernel and I experience a few problems with it. It's > quite stable but try to install xserver 4.x.x and you will start running > through the minefields :) I've lost one ext2 partition and two reiserfs > because of xserver 4.1.0 running on 2.4.18. I found out that this version > causes data corruption while writing to harddisk. Xserver 4.2.1 is a bit > better it doesn't cause data coruuption while writing to "/" partition, > but sometimes it trashes swap partition (what randomly crashes programs) > and after a xserver's restart every(!) program ends with "segmentation > fault" error. The X server can't really do that, sounds rather like a kernel or hardware problem. Besides, I wouldn't recommend ReiserFS, not even on i386. -- Earthling Michel Dänzer (MrCooper)/ Debian GNU/Linux (powerpc) developer XFree86 and DRI project member / CS student, Free Software enthusiast |
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From: Ken T. <ke...@we...> - 2002-12-26 18:09:12
|
Hello Fred, On Tue, 24 Dec 2002, Fred Heitkamp wrote in his first post for a long time: > I think there is some problem in the APUS kernel, servicing > interrupts maybe, that has never been solved. It does not > evidenty show up except with certain hardware combinations; > like mine I'm afraid. :) I suspect the same, possibly in the very early setup head.S. IIRC ther is a comment in there about all amiga interrupts being lumped into one ppc interrupt and serviced in turn. I've wondered if there is a lock out condition hidden in there somewhere. My ppc assembler knowledege is zero so I can't look further. Ken. |
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From: Ken T. <ke...@we...> - 2002-12-26 17:58:25
|
On Tue, 24 Dec 2002, Krystian Bac=B3awski wrote: > What kernel version are you using ? In one of posts Giorgio (user of > A4000) wrote: I run 2.4.18, but I have not updated to the most recent commit from Roman, the one about 10 days ago. Compiled with gcc version 2.95.2 19991024 (release/franzo). The only problem I've had recently is with the UW SCISI driver, when I compiled that in ant tried it a) it wasn't reliable, b) I got some odd internet 'pauses' even when I didn't have a drive connected. I find it a bit strange that both SCSI drivers I've attempted to use (A4091 and UW PPC) crash after some period of use. I've always had a nagging doubt that there is something wrong a) with my hardware or b) linux interrupts or c) SCSI sub system and A4000 Ken. |
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From: <cah...@po...> - 2002-12-26 13:00:14
|
Hi ! I managed to hang 2.4.18 kernel once again... :( I'll describe how I did that: I configured my hpdeskjet 690c to work with apsfilter (gimp/pcl-690 driver). I start printing using "a2ps ide.h". Then kernel prints a lot of lines with "unbalanced enable_irq(18)" (it's source is in file drivers/parport/ieee1284_ops.c function parport_ieee1284_write_compat line 52:"parport_enable_irq(port);"). Printer starts printing, after that I execute lprm command, and turn off printer. When I try to print something again kernel hungs up. I also sometimes get a message like that: "Warning: real time clock seems stuck !" or : "bug: kernel timer added twice at c00c88bc" c00c88bc is most probably in amikeyb_rep Regards Krystian Baclawski ***************r-e-k-l-a-m-a************** Masz dosc placenia prowizji bankowi ? mBank - zaloz konto http://epieniadze.onet.pl/mbank |
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From: Kars de J. <jo...@li...> - 2002-12-25 10:11:52
|
On Mon, 2002-12-23 at 10:32, Geert Uytterhoeven wrote: > On Mon, 23 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote: > > As far as I know apne driver in current version of kernel makes oops. > >=20 > > I found out that apne driver in 2.4.20 kernel was modified by someone w= ho > > knew nothing about amiga (he/she cut out a lot of code with GAYLE symbo= ls > > and replaced readb/writeb with inb/outb). I replaced apne.c from curren= t > > cvs tree with old one from 2.4.18-cvs. As for me it works. >=20 > PCMCIA is some sort of ISA, so inb() and friends should be OK. > Most probably the ISA changes in the m68k-specific part of the tree weren= 't > ported to APUS. I agree. Richard Zidlicky cleaned up the ISA support some time ago, making it possible to just use inb() etc. in drivers for PCMCIA hardware. It makes a lot of the things done in the apne driver no longer needed. Have a look at include/asm-m68k/io.h if you want to know how it was done. =20 > DISCLAIMER: since I don't have a PCMCIA Ethernet card I cannot guarantee = that > it works in the m68k tree neither. It does. Or at least did :p Haven't tried for a while since my Amiga is still sitting in its box after I moved. Kind regards, Kars. |
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From: <cah...@po...> - 2002-12-25 08:43:38
|
On Tue, 24 Dec 2002, Fred Heitkamp wrote: > On Tue, 24 Dec 2002, [iso-8859-2] Krystian > Bac=B3awski wrote: >=20 > > On Wed, 25 Dec 2002, Ken Tyler wrote: > > > On Tue, 24 Dec 2002, Krystian Bac=B3awski wrote: > > > > > > > I wonder whether apus is so unstable or maybe my machine has faulty > > hardware. >=20 > I think there is some problem in the APUS kernel, servicing > interrupts maybe, that has never been solved. It does not > evidenty show up except with certain hardware combinations; > like mine I'm afraid. :) >=20 > I haven't tryed APUS in awhile but I always had trouble with > freezes and lockups expecially after pushing any kind of > sustained disk activity. When I installed NETBSD I never > noticed such problems. Of course at the time there was no > PPC port done. > (OT) That reminds me. I need to check to see if the NETBSD folks > ever got the PowerUP port done. Do you know how to obtain documentation about ppc boards ? Did phase5 released hardware information about blizzard/cyberstorm-ppc ? I know there is ppclib-dev file to fetch, but there's no info about registers layout mentioned in asm-ppc/amigappc.h. Regards Krystian Baclawski =0D=0A=0D=0A***************r-e-k-l-a-m-a**************=0D=0A=0D=0AMasz do=B6=E6 p=B3acenia prowizji bankowi ?=0D=0AmBank - za=B3=F3=BF konto=0D=0Ahttp://epieniadze.onet.pl/mbank |
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From: Fred H. <hei...@am...> - 2002-12-25 00:35:41
|
On Tue, 24 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote: > On Wed, 25 Dec 2002, Ken Tyler wrote: > > On Tue, 24 Dec 2002, Krystian Bac=B3awski wrote: > > > > I wonder whether apus is so unstable or maybe my machine has faulty > hardware. I think there is some problem in the APUS kernel, servicing interrupts maybe, that has never been solved. It does not evidenty show up except with certain hardware combinations; like mine I'm afraid. :) I haven't tryed APUS in awhile but I always had trouble with freezes and lockups expecially after pushing any kind of sustained disk activity. When I installed NETBSD I never noticed such problems. Of course at the time there was no PPC port done. (OT) That reminds me. I need to check to see if the NETBSD folks ever got the PowerUP port done. Fred |
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From: <cah...@po...> - 2002-12-24 20:45:55
|
On Wed, 25 Dec 2002, Ken Tyler wrote: > On Tue, 24 Dec 2002, Krystian Bac=B3awski wrote: >=20 > > Yesterday I also noticed that 4.2.1 trashes my root partition :( If you= 're > > using A4000 you most probably use scsi drivers for harddisk. Does it me= an > > that we have only partial solution for A1200 ide problem ? Can you copy > > your partition to ide disk and check whether then it is stable ? >=20 > Hello, >=20 > No, I'm running on partitions on an IDE disk, my A4091 SCSI card doesn't > work reliably. What kernel version are you using ? In one of posts Giorgio (user of A4000) wrote: =2E.. after a migration of my Linux partition from IDE to SCSI disks, a strange bug seems disappeared. Sometimes, when connected to Internet and using X, something hanged the X task or the whole machine. Now seems solved...=20 The same problem had "schneider". My machine connects to internet during debian startup, but X are more than unstable, they hang machine and trashes disks. I wonder whether apus is so unstable or maybe my machine has faulty hardware. Regards Krystian Baclawski =0D=0A=0D=0A***************r-e-k-l-a-m-a**************=0D=0A=0D=0AMasz do=B6=E6 p=B3acenia prowizji bankowi ?=0D=0AmBank - za=B3=F3=BF konto=0D=0Ahttp://epieniadze.onet.pl/mbank |
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From: Ken T. <ke...@we...> - 2002-12-24 20:09:35
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On Tue, 24 Dec 2002, Krystian Bac=B3awski wrote: > Yesterday I also noticed that 4.2.1 trashes my root partition :( If you'r= e > using A4000 you most probably use scsi drivers for harddisk. Does it mean > that we have only partial solution for A1200 ide problem ? Can you copy > your partition to ide disk and check whether then it is stable ? Hello, No, I'm running on partitions on an IDE disk, my A4091 SCSI card doesn't work reliably. Ken. =20 |
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From: <cah...@po...> - 2002-12-24 19:56:14
|
Hi ! I found another bug in 2.4.18. When I use hp deksjet 690c printer, kernel prints a lot of lines with "enable_irq(18) unbalanced" and frequently printer stops in the middle of page. I remember that 2.2.10 kernel support in 2.2.10 was usable. Does it mean that there is missing disable_irq somewhere in parallel port specific code ? Regards Krystian Baclawski ***************r-e-k-l-a-m-a************** Masz dosc placenia prowizji bankowi ? mBank - zaloz konto http://epieniadze.onet.pl/mbank |
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From: Geert U. <ge...@li...> - 2002-12-24 12:30:09
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On Tue, 24 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote:
> On Tue, 24 Dec 2002, Geert Uytterhoeven wrote:
> > On Tue, 24 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote:
> > > BTW. How are ide-interrupts serviced. The beginning is in
> > > arch/ppc/amiga/amiints.c, and the end in drivers/ide/gayle.c. What =
part of
> > > kernel should I read ?
> >=20
> > Euh, what do you want to know? I think those two files contain all yo=
u need to
> > know.
>=20
> I don't understand what there is gayle_intr_ack for. Hmm... I even don'=
t
> understand how exactly interrupts work under linux. I thought that when
> gayle interrupt is declared devices list is browsed in order to find
> source of interrupt. After that interrupt is redirected to driver
> code. I ask because I don't know where to put FastATA registers
> switch code, and I try to analyze how exactly gayle's interrupts work, =
and
> how it interacts with code in ide.c, ide-disk.c, ide-probe.c.
Interrupts on Amiga are shared. This means that if an interrupt happens, =
all
interrupt handlers on the list are called. Each handler must check whethe=
r the
interrupt was generated by the device it handles, and take appropriate ac=
tions.
gayle_ack_intr_*() checks whether the interrupt was generated by the IDE
interface or not. On A1200, it also has to explicitly clear the interrupt.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m6=
8k.org
In personal conversations with technical people, I call myself a hacker. =
But
when I'm talking to journalists I just say "programmer" or something like=
that.
-- Linus Torvalds
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From: <cah...@po...> - 2002-12-24 12:16:04
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Hi ! There's a really strange bug in 2.4.20, it frequently hungs up while trying to set hardware clock, where with 2.4.18 everything is good. I can reproduce hung-up by "/etc/init.d/hwclock.sh restart". What's the oddiest it doesn't hung up everytime I run script mentioned above. Regards Krystian Baclawski ***************r-e-k-l-a-m-a************** Masz dosc placenia prowizji bankowi ? mBank - zaloz konto http://epieniadze.onet.pl/mbank |
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From: <cah...@po...> - 2002-12-24 11:15:03
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On Tue, 24 Dec 2002, Geert Uytterhoeven wrote: > On Tue, 24 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote: > > On Tue, 24 Dec 2002, Geert Uytterhoeven wrote: > > > On Tue, 24 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote: > > > > What is the formal difference between inb_p and inb. Does inb_p has= a > > > > special purpose or it's a common alias for inb. I ask because I not= iced > > > > that net/8390.c uses inb_p and outb_p where net/apne.c uses inb and= outb.=20 > > >=20 > > > The *_p() variants contain some extra delay. This was/is needed on so= me very > > > old ISA implementations. Just ignore them for Amiga. > >=20 > > Can they be replaced by inb/outb in net/8390.c or better leave it alone= ? >=20 > Just leave them in 8390.c. And `#define inb_p inb' etc. in asm/io.h (isn'= t it > already done that way?). Eeergghh... Yes, it is :) =20 > > BTW. How are ide-interrupts serviced. The beginning is in > > arch/ppc/amiga/amiints.c, and the end in drivers/ide/gayle.c. What part= of > > kernel should I read ? >=20 > Euh, what do you want to know? I think those two files contain all you ne= ed to > know. I don't understand what there is gayle_intr_ack for. Hmm... I even don't understand how exactly interrupts work under linux. I thought that when gayle interrupt is declared devices list is browsed in order to find source of interrupt. After that interrupt is redirected to driver code. I ask because I don't know where to put FastATA registers switch code, and I try to analyze how exactly gayle's interrupts work, and how it interacts with code in ide.c, ide-disk.c, ide-probe.c. Regards Krystian Baclawski =0D=0A=0D=0A***************r-e-k-l-a-m-a**************=0D=0A=0D=0AMasz do=B6=E6 p=B3acenia prowizji bankowi ?=0D=0AmBank - za=B3=F3=BF konto=0D=0Ahttp://epieniadze.onet.pl/mbank |
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From: Geert U. <ge...@li...> - 2002-12-24 10:17:38
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On Tue, 24 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote:
> On Tue, 24 Dec 2002, Geert Uytterhoeven wrote:
> > On Tue, 24 Dec 2002, [iso-8859-2] Krystian Bac=B3awski wrote:
> > > What is the formal difference between inb_p and inb. Does inb_p has=
a
> > > special purpose or it's a common alias for inb. I ask because I not=
iced
> > > that net/8390.c uses inb_p and outb_p where net/apne.c uses inb and=
outb.=20
> >=20
> > The *_p() variants contain some extra delay. This was/is needed on so=
me very
> > old ISA implementations. Just ignore them for Amiga.
>=20
> Can they be replaced by inb/outb in net/8390.c or better leave it alone=
?
Just leave them in 8390.c. And `#define inb_p inb' etc. in asm/io.h (isn'=
t it
already done that way?).
> BTW. How are ide-interrupts serviced. The beginning is in
> arch/ppc/amiga/amiints.c, and the end in drivers/ide/gayle.c. What part=
of
> kernel should I read ?
Euh, what do you want to know? I think those two files contain all you ne=
ed to
know.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m6=
8k.org
In personal conversations with technical people, I call myself a hacker. =
But
when I'm talking to journalists I just say "programmer" or something like=
that.
-- Linus Torvalds
|
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