Messages in this thread | | | Date | Wed, 19 Nov 2003 17:07:53 -0800 | From | Andrew Morton <> | Subject | Re: [Oops] i386 mm/slab.c (cache_flusharray) |
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pinotj@club-internet.fr wrote: > > kernel BUG at mm/slab.c:1957! > invalid operand: 0000 [#1] > CPU: 0 > EIP: 0060:[free_block+336/752] Not tainted > EIP: 0060:[<c015ad40>] Not tainted > Using defaults from ksymoops -t elf32-i386 -a i386 > EFLAGS: 00010096 > eax: 00000045 ebx: 00000006 ecx: c0693854 edx: c056e4f8 > esi: cd09a000 edi: cd09a018 ebp: cf821c68 esp: cf821c3c > ds: 007b es: 007b ss: 0068 > Stack: c0502240 c0502e1d cd09af18 c0652a00 00000001 0000003a cd09af18 0000000f > cffdef08 c4bcd180 00000010 cf821ca0 c015afba cffed800 cffdef08 00000010 > 00000282 c1161ca0 00000000 00000001 cffee730 00000010 00010c00 c4bcd180 > Call Trace: > [<c015afba>] cache_flusharray+0xda/0x2b0 > [<c015b7ad>] kmem_cache_free+0x1ad/0x3a0 > [<c018158c>] free_buffer_head+0x2c/0x60 > [<c018158c>] free_buffer_head+0x2c/0x60
urgh, there are several reports of this and it's always the buffer_head slab. The code in there is trivial so perhaps it's just that the large number of buffer_heads makes them a fat target.
You should have also seen the message "slab: double free detected in cache 'buffer_head', objp 0xNNNNNNNN".
Don't know, sorry. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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