Hugh Dickins pisze:
> On Thu, 9 Aug 2007, Mariusz Kozlowski wrote:
>> Hello,
>>
>> Nothing unusual happening, allmodconfig compiling etc.
>> Not sure why it says kernel was tainted though ... hmmm.
>>
>> ------------[ cut here ]------------
>> kernel BUG at mm/swap_state.c:78!
>> invalid opcode: 0000 [#1]
>> PREEMPT
>> Modules linked in: orinoco_cs orinoco hermes pl2303 usbserial pcmcia 8250_pci 8250 serial_core yenta_socket rsrc_nonstatic pcmcia_core 8139too
>> CPU: 0
>> EIP: 0060:[<c01504b7>] Tainted: P VLI
>> EFLAGS: 00010246 (2.6.23-rc2-mm1 #1)
>> EIP is at __add_to_swap_cache+0xc6/0xd7
>> eax: 40000000 ebx: c11285c0 ecx: 000000d0 edx: 00000283
>> esi: c11285c0 edi: 00000283 ebp: c1858f90 esp: c1858f84
>> ds: 007b es: 007b fs: 0000 gs: 0000 ss: 0068
>> Process kprefetchd (pid: 236, ti=c1858000 task=c18d14d0 task.ti=c1858000)
>> Stack: 00000283 c11285c0 c3d5a3c8 c1858fa0 c01504ea c11285c0 00000000 c1858fcc
>> c015307c 00000001 00000007 00000002 00000002 00000283 00000000 fffffffc
>> 00000000 c0152d5c c1858fe0 c0127f2e c0127ef8 00000000 00000000 00000000
>> Call Trace:
>> [<c010456a>] show_trace_log_lvl+0x1a/0x30
>> [<c0104629>] show_stack_log_lvl+0xa9/0xd5
>> [<c010486e>] show_registers+0x219/0x38d
>> [<c0104ae6>] die+0x104/0x23e
>> [<c0419bd3>] do_trap+0x83/0xad
>> [<c0104edf>] do_invalid_op+0x88/0x92
>> [<c04199b2>] error_code+0x6a/0x70
>> [<c01504ea>] add_to_swap_cache+0x22/0x58
>> [<c015307c>] kprefetchd+0x320/0x364
>> [<c0127f2e>] kthread+0x36/0x58
>> [<c0104233>] kernel_thread_helper+0x7/0x14
>> =======================
>> INFO: lockdep is turned off.
>> Code: 0f 89 7b 0c 83 05 fc c9 53 c0 01 8b 13 c1 ea 1e 8d 04 12 01 d0 c1 e0 03 29 d0 c1 e0 05 ff 80 b8 c0 53 c0 ff 05 34 1d 68 c0 eb 96 <0f> 0b eb fe 0f 0b eb fe 0f 0b eb fe 8b 53 0c eb be 55 89 e5 56
>> EIP: [<c01504b7>] __add_to_swap_cache+0xc6/0xd7 SS:ESP 0068:c1858f84
>
The same issue here.
> Don't worry about reproducing untainted, I got the same earlier
> and was just preparing and testing the hotfix: here it is...
>
Thanks for the patch.
Regards,
Michal
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