Re: [BUG] Can not boot linux-2.6.18-rc4-mm2

From: Andrew Morton
Date: Tue Aug 22 2006 - 15:41:24 EST

On Tue, 22 Aug 2006 12:51:18 +0400
Paul Drynoff <pauldrynoff@xxxxxxxxx> wrote:

> The almost the same config works fine with linux-2.6.18-rc4-mm1,
> kernel compiled with debug info, but for some reason there is no
> human readable trace.
> The kernel linux-2.6.18-rc4-mm2 + ntp-add-ntp_update_frequency-fix.patch
> Any idea?
> Here is log:
> EXT3-fs: mounted filesystem with ordered data mode.
> VFS: Mounted root (ext3 filesystem) readonly.
> Freeing unused kernel memory: 500k freed
> Write protecting the kernel read-only data: 860k
> Failed to execute /linuxrc. Attempting defaults...
> BUG: unable to handle kernel NULL pointer derefence at virtual adress 000000000
> print eip
> b7f106d0
> Oops: 0000 [#1]
> last sysfs file: /block/hda/range
> CPU: 0
> EIP: 0073:[<b7f106d0>] Not tainted VLI
> EFLAGS: 00000246 (2.6.18-rc4-mm2 #2)
> EIP is at 0xb7f106d0
> eax, ebx, edx, ecx, esi, edi, ebp: 0000000
> esp: bf843680
> ds, es, ss: 007b
> Process init (pid: 1, ti=c1166000 task=c11615d0 task.ti=c1166000)
> EIP: <b7f106d0>] 0xb7f106d0 SS:ESP 007b:bf83680

I tried to reproduce this with qemu but wasn't able to work out in less
than sixty seconds (== one attention-span) how to find and use a suitable
userspace image. Help. Could you please suggest where such an image can
be obtained and how it should be invoked to reproduce this?
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