Re: [uml-user] hello help me please.....

[battipatisainagendra B. <sai...@gm...>]

Hell all,
          This is battipati.i have done the following steps to install
UML on redhat linux 9.

 step1:- Downloaded kernel and uncompressed by the commend "tar -xvjf
  linux-2.6.15.1.tar.bz2".

step2:-make ARCH=um menuconfig

step3:-make ARCH=um linux	

then i got linux exe file,i have tried to run it as ./linuxe then i
got thr following error please help me what to do?



[root@localhost linux-2.6.15.1]# ./linux
Checking that ptrace can change system call numbers...OK
Checking syscall emulation patch for ptrace...missing
Checking PROT_EXEC mmap in /tmp...OK
Checking for the skas3 patch in the host:
  - /proc/mm...not found
  - PTRACE_FAULTINFO...not found
  - PTRACE_LDT...not found
UML running in SKAS0 mode
] kobject ram2: registering. parent: <NULL>, set: block
[42949373.870000] RAMDISK driver initialized: 16 RAM disks of 4096K
size 1024 blocksize
[42949373.870000] md: md driver 0.90.3 MAX_MD_DEVS=256, MD_SB_DISKS=27
[42949373.870000] md: bitmap version 4.39
[42949373.870000] NET: Registered protocol family 2
[42949373.980000] IP route cache hash table entries: 512 (order: -1, 2048 bytes)
[42949373.980000] TCP established hash table entries: 2048 (order: 3,
40960 bytes)
[42949373.980000] TCP bind hash table entries: 2048 (order: 3, 40960 bytes)
[42949373.980000] TCP: Hash tables configured (established 2048 bind 2048)
[42949373.980000] TCP reno registered
[42949373.980000] TCP bic registered
[42949373.980000] NET: Registered protocol family 1
[42949373.980000] NET: Registered protocol family 17
[42949373.980000] NET: Registered protocol family 8
[42949373.980000] NET: Registered protocol family 20
[42949374.000000] Initialized stdio console driver
[42949374.000000] Console initialized on /dev/tty0
[42949374.000000] Initializing software serial port version 1
[42949374.140000] Failed to open 'root_fs', errno = 2
[42949374.150000] md: Autodetecting RAID arrays.
[42949374.150000] md: autorun ...
[42949374.150000] md: ... autorun DONE.
[42949374.200000] VFS: Cannot open root device "98:0" or unknown-block(98,0)
[42949374.200000] Please append a correct "root=" boot option
[42949374.200000] Kernel panic - not syncing: VFS: Unable to mount
root fs on unknown-block(98,0)
[42949374.200000]  <6>Stopping all CPUs...done
[42949374.200000]
[42949374.200000] EIP: 0023:[<602df9c1>] CPU: 0 Not tainted ESP:
002b:40001fd0 EFLAGS: 00000246
[42949374.200000]     Not tainted
[42949374.200000] EAX: 00000000 EBX: 00002be7 ECX: 00000013 EDX: 00002be7
[42949374.200000] ESI: 00002be4 EDI: 00000000 EBP: 40001fdc DS: 002b ES: 002b
[42949374.200000] 60593b2c:  [<60060bb6>] show_regs+0x1ee/0x24e
[42949374.200000] 60593b58:  [<60028814>] panic_exit+0x41/0x85
[42949374.200000] 60593b68:  [<6008fed5>] notifier_call_chain+0x2a/0x84
[42949374.200000] 60593b88:  [<6006d665>] panic+0xa4/0x1de
[42949374.200000] 60593ba0:  [<6000242a>] mount_block_root+0xe5/0x1b0
[42949374.200000] 60593bf4:  [<600026f9>] mount_root+0x7b/0x8e
[42949374.200000] 60593c08:  [<600027a2>] prepare_namespace+0x96/0x214
[42949374.200000] 60593c18:  [<6001b405>] init+0x1cb/0x3b3
[42949374.200000] 60593c28:  [<60056957>] run_kernel_thread+0x5d/0x6f
[42949374.220000] 60593ce0:  [<600329de>] new_thread_handler+0xdb/0x183
[42949374.220000] 60593d20:  [<602df758>] __restore+0x0/0x8
[42949374.220000]
[42949374.220000]


what is my mistake.


please help me....I am new to UML.

rgds,
battipati

On 11/8/06, battipatisainagendra Bhavaniprasad
<sai...@gm...> wrote:
> hello Mr.jdike and Stephane.....
>                        Thank x for your co-operation,I will try in
> installing UML.If i have any problem then i will get back to you.
>
> Thank you,
>
> rgds,
> sai
>
> On 11/8/06, Jeff Dike <jd...@ad...> wrote:
> > On Wed, Nov 08, 2006 at 02:02:15AM +0530, battipatisainagendra
> Bhavaniprasad
> > wrote:
> > > i have followed the basic steps:-
> > >
> > > 1.Download linux kernel Image.
> > > 2.Add skas patck for that kernel to increase the speed.
> > >     then compile the kernel.....then where comes the file system for
> UML.
> > >
> > >
> > > then can you tell about UML Utillityes?what are they?
> >
> > First, just get the thing booted -
> > 	download a kernel and filesystem and watch the thing boot
> > 	then, get a recent kernel from kernel.org, build UML from it,
> > then boot that
> > 	the utilities will be needed when you want to put it on the
> > net -
> > http://user-mode-linux.sourceforge.net/new/uml_utilities_20060622.tar.bz2
> >
> > Save the skas patch for later, when you have your UMLs running
> > happily, doing whatever they need to be doing.
> >
> > 				Jeff
> >
>