Re: Reproducible oops when loading ns558.o in 2.4.5-ac4

Vojtech Pavlik
2001-05-30T05:34:28Z

On Tue, May 29, 2001 at 11:08:13PM +0100, Stephen Thomas wrote:

Just one question: How to reproduce it? Just by loading the module?

> ksymoops 2.3.7 on i686 2.4.5-ac4. Options used
> -v linux-2.4.5-ac4/vmlinux (specified)
> -k /proc/ksyms (default)
> -l /proc/modules (default)
> -o /lib/modules/2.4.5-ac4/ (default)
> -m linux-2.4.5-ac4/System.map (specified)
>
> May 29 22:40:52 wycliffe kernel: Unable to handle kernel paging request at virtual address 3d83537a
> May 29 22:40:52 wycliffe kernel: c01a8d27
> May 29 22:40:52 wycliffe kernel: *pde = 00000000
> May 29 22:40:52 wycliffe kernel: Oops: 0000
> May 29 22:40:52 wycliffe kernel: CPU: 0
> May 29 22:40:52 wycliffe kernel: EIP: 0010:[isapnp_find_dev+59/256]
> May 29 22:40:52 wycliffe kernel: EFLAGS: 00010213
> May 29 22:40:52 wycliffe kernel: eax: 3d835356 ebx: cc8a36e4 ecx: 00000000 edx: cc8a348c
> May 29 22:40:52 wycliffe kernel: esi: 00000002 edi: 00000002 ebp: 00000100 esp: cb12dedc
> May 29 22:40:52 wycliffe kernel: ds: 0018 es: 0018 ss: 0018
> May 29 22:40:52 wycliffe kernel: Process modprobe (pid: 662, stackpage=cb12d000)
> May 29 22:40:52 wycliffe kernel: Stack: cc8a36e4 cc8a348c 00000001 cc8a382c cc8a3000 cc8a3824 000000ff 0002382c
> May 29 22:40:52 wycliffe kernel: cc8a34f5 00000000 00000002 00000100 cc8a348c cc8a3000 cc8a348c c0114b28
> May 29 22:40:52 wycliffe kernel: cb12c000 0804b52b 08061d70 bfffc45c 00000001 cc8a1000 cc8a1000 cc8a3818
> May 29 22:40:52 wycliffe kernel: Call Trace: [<cc8a36e4>] [<cc8a348c>] [<cc8a382c>] [<cc8a3000>] [<cc8a3824>]
> May 29 22:40:52 wycliffe kernel: [<cc8a34f5>] [<cc8a348c>] [<cc8a3000>] [<cc8a348c>] [sys_init_module+1424/1588] [<cc8a1000>]
> May 29 22:40:52 wycliffe kernel: [<cc8a1000>] [<cc8a3818>] [<cc8a1000>] [<cc8a3060>] [system_call+51/56]
> May 29 22:40:52 wycliffe kernel: Code: 66 39 78 24 75 0a 66 39 68 26 0f 84 ab 00 00 00 31 c9 8d 70
> Using defaults from ksymoops -t elf32-i386 -a i386
>
> Trace; cc8a36e4 <[ns558]pnp_devids+4/48>
> Trace; cc8a348c <[ns558]init_module+0/0>
> Trace; cc8a382c <[ns558].bss.end+15/1d>
> Trace; cc8a3000 <[gameport]__kstrtab_gameport_cooked_read+1a47/1aa7>
> Trace; cc8a3824 <[ns558].bss.end+d/1d>
> Trace; cc8a34f5 <[ns558]ns558_init+69/90>
> Trace; cc8a348c <[ns558]init_module+0/0>
> Trace; cc8a3000 <[gameport]__kstrtab_gameport_cooked_read+1a47/1aa7>
> Trace; cc8a348c <[ns558]init_module+0/0>
> Trace; cc8a1000 <[joydev]__module_device+185d/18bd>
> Trace; cc8a3818 <[ns558].bss.end+1/1d>
> Trace; cc8a1000 <[joydev]__module_device+185d/18bd>
> Trace; cc8a3060 <[ns558]ns558_isa_probe+0/2b8>
> Code; 00000000 Before first symbol
> 00000000 <_EIP>:
> Code; 00000000 Before first symbol
> 0: 66 39 78 24 cmp %di,0x24(%eax)
> Code; 00000004 Before first symbol
> 4: 75 0a jne 10 <_EIP+0x10> 00000010 Before first symbol
> Code; 00000006 Before first symbol
> 6: 66 39 68 26 cmp %bp,0x26(%eax)
> Code; 0000000a Before first symbol
> a: 0f 84 ab 00 00 00 je bb <_EIP+0xbb> 000000bb Before first symbol
> Code; 00000010 Before first symbol
> 10: 31 c9 xor %ecx,%ecx
> Code; 00000012 Before first symbol
> 12: 8d 70 00 lea 0x0(%eax),%esi
>
> The module loaded OK in 2.4.5-ac3. input, joydev, ns558, gameport and analog
> are all configured as modules.
>
> Stephen Thomas

--
Vojtech Pavlik
SuSE Labs