Re: new (non-shmfs) Oops in pre4-4. procfs actually.

From: Alexander Viro (viro@math.psu.edu)
Date: Fri Apr 07 2000 - 12:25:11 EST


On Thu, 6 Apr 2000, Benjamin Redelings I wrote:

> Apr 5 19:21:12 localhost kernel: c011ca31
> Apr 5 19:21:12 localhost kernel: Oops: 0000
> Apr 5 19:21:12 localhost kernel: CPU: 0
> Apr 5 19:21:12 localhost kernel: EIP:
> 0010:[access_process_vm+117/360]
> Apr 5 19:21:12 localhost kernel: EFLAGS: 00010202
> Apr 5 19:21:12 localhost kernel: eax: 00000038 ebx: 0000001c ecx:
> bffff000 edx: c2bd0000
> Apr 5 19:21:12 localhost kernel: esi: 00000000 edi: bffffe86 ebp:
> 00000022 esp: c2965f40
> Apr 5 19:21:12 localhost kernel: ds: 0018 es: 0018 ss: 0018
> Apr 5 19:21:12 localhost kernel: Process cat (pid: 2013,
> stackpage=c2965000)
> Apr 5 19:21:12 localhost kernel: Stack: c2bd0000 c2bd0000 c2bd03dc
> c2a2b000 00000000 c014e977 c2bd0000 bffffe86
> Apr 5 19:21:12 localhost kernel: c2a2b000 00000022 00000000
> c2bd03f8 c014edbe c2bd0000 c2a2b000 c31810c0
> Apr 5 19:21:12 localhost kernel: ffffffea 00000000 c31810c0
> c2bd03dc 0804c000 c37d3b60 00000c00 c012c24c
> Apr 5 19:21:12 localhost kernel: Call Trace: [proc_pid_cmdline+55/60]
> [proc_info_read+378/768] [sys_read+192/224] [system_call+52/56]
> Apr 5 19:21:12 localhost kernel: Code: 39 43 1c 74 2a 50 8b 43 1c 50 68
> 00 a8 1b c0 e8 37 89 ff ff

Revert changes in kernel/exec.c - move task_lock() back to the place where
it used to be.

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