Compiling the kernel with gcc 2.9.5, gcc 2.9.6, and gcc 3.0.3
does not cause this oops.
John Weber wrote:
> As previously posted, this oops occurs on boot (and somewhere after or
> during the loading of the floppy driver).
>
> $ ksymoops --no-ksyms --no-lsmod -o /lib/modules/2.4.17/ -m
> /boot/System.map-2.4.17 Oops.file
> ksymoops 2.4.1 on i686 2.4.16. Options used
> -V (default)
> -K (specified)
> -L (specified)
> -o /lib/modules/2.4.17/ (specified)
> -m /boot/System.map-2.4.17 (specified)
>
> No modules in ksyms, skipping objects
> Unable to handle kernel paging request at virual address 0000413d
> c0106ea6
> *pde = 00000000
> Oops: 0000
> CPU: 0
> EIP: 0010:[<c0106ea6>] Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010286
> eax: c7faff2c ebx: c7fae000 ecx: 00000000 edx: 00000001
> esi: c7faff60 edi: c7fae246 ebp: 00004111 esp: c7fafe84
> ds: 0018 es: 0018 ss: 0018
> Process keventd (pid: 2, stackpage=c7faf000)
> Stack: 00000202 c02962e0 c7fae000 00000000 c02e8500 c7fae000 c7fafef4
> c02eab80
> c7fafed4 c0112fec 00000000 c7fae000 00000000 00000000 00000001
> c7fae000
> c7fafef8 c7fafef8 c7f62000 00000008 00004000 c0114b13 00000000
> 00004111
> Call Trace: [<c0112fec>] [<c0114b13>] [<c0121ec0>] [<c0105abf>]
> [<c0107384>]
> [<c0121ec0>] [<c0105655>] [<c0121f33>] [<c0121ec0>] [<c011a54a>]
> [<c01224dc>]
> [<c0122310>] [<c0105000>] [<c010565e>] [<c0122310>]
> Code: 8b 45 2c 83 e0 03 83 f8 03 74 0f 81 c4 94 00 00 00 89 d0 5b
>
>
>>>EIP; c0106ea6 <do_signal+16/2e0> <=====
>>>
> Trace; c0112fec <wait_for_completion+6c/90>
> Trace; c0114b13 <do_fork+4b3/640>
> Trace; c0121ec0 <____call_usermodehelper+0/50>
> Trace; c0105abf <sys_clone+2f/40>
> Trace; c0107384 <signal_return+14/18>
> Trace; c0121ec0 <____call_usermodehelper+0/50>
> Trace; c0105655 <kernel_thread+25/40>
> Trace; c0121f33 <__call_usermodehelper+23/40>
> Trace; c0121ec0 <____call_usermodehelper+0/50>
> Trace; c011a54a <__run_task_queue+5a/70>
> Trace; c01224dc <context_thread+1cc/1e0>
> Trace; c0122310 <context_thread+0/1e0>
> Trace; c0105000 <_stext+0/0>
> Trace; c010565e <kernel_thread+2e/40>
> Trace; c0122310 <context_thread+0/1e0>
> Code; c0106ea6 <do_signal+16/2e0>
> 00000000 <_EIP>:
> Code; c0106ea6 <do_signal+16/2e0> <=====
> 0: 8b 45 2c mov 0x2c(%ebp),%eax <=====
> Code; c0106ea9 <do_signal+19/2e0>
> 3: 83 e0 03 and $0x3,%eax
> Code; c0106eac <do_signal+1c/2e0>
> 6: 83 f8 03 cmp $0x3,%eax
> Code; c0106eaf <do_signal+1f/2e0>
> 9: 74 0f je 1a <_EIP+0x1a> c0106ec0
> <do_signal+30/2e0>
> Code; c0106eb1 <do_signal+21/2e0>
> b: 81 c4 94 00 00 00 add $0x94,%esp
> Code; c0106eb7 <do_signal+27/2e0>
> 11: 89 d0 mov %edx,%eax
> Code; c0106eb9 <do_signal+29/2e0>
> 13: 5b pop %ebx
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