Messages in this thread |  | | | Date | Fri, 15 Oct 2004 11:44:45 -0300 | | From | Marcelo Tosatti <> | | Subject | Re: Kernel panic issues |
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On Mon, Sep 06, 2004 at 08:40:29PM -0300, Marcelo Tosatti wrote: > > > Nathan, > > On Sun, Sep 05, 2004 at 05:05:27PM -0700, Randy.Dunlap wrote: > > On Sun, 5 Sep 2004 12:12:24 -0700 Nathan wrote: > > > > | Hi, I have a server running debian 3.0r1 kernel 2.4.25 and I get these kernel > > | panic about 5 times this week. If anyone can tell me what it means it would be > > | greatly appreciated. Any additional instructions on how to read kernel panic > > | dumps would also be appreciated. > > > > Denis Vlasenko recently did a "howto find oops location" for 2.6.x, > > but it's probably the best reference for you to look at. > > It's here: > > http://marc.theaimsgroup.com/?l=linux-kernel&m=109257016020612&w=2 > > > > > > | asdasdkernel BUG as slab.c:1263! > > | Invalid operand: 0000 > > | CPU: 0 > > | EIP: 0010:[<c012609d>] Not tainted > > | EFLAGS: 00010012 > > | eax: f31eafff ebx: c19ad700 ecx: 00000001 edx: 00000001 > > | esi: f31ea800 edi: f31eabd3 ebp: c02cfca8 esp: c02cfc8c > > | ds: 0018 es: 0018 ss: 0018 > > | Process swapper (pid: 0, stackpage=c02cf000) > > | Stack: f69657fc c03397e0 00000020 00000800 00012800 f31eabd3 00000246 c02cfcc4 > > | c01f6b5e 0000065c 00000020 00000008 0000001c f74ec160 c02cfcf f887afe3 > > | 00000620 00000020 00000008 0000001c f74ec160 c01fa090 00000000 f6ebec > > | Call Trace: [<c01f6b5e>] [<f887afe3>] [<c01fa090>] [<f887ae58>] [<f887ae58>] > > | [<c0107ee0>] [<c010806f>] [<c0125f2c>] [<c0231d11>] [<c02320c8>] > > | [<c0207b60>] > > | [<f887b4ef>] [<c010806f>] [<c0207b60>] [<c02010b7>] [<c0207b60>] > > | [<c02079f5>] > > | [<c0207b60>] [<c01fa40b>] [<c01fa4ad>] [<c01fa5bf>] [<c011552b>] > > | [<c010809d>] > > | [<c0105260>] [<c0105260>] [<c0105260>] [<c0105260>] [<c0105286>] > > | [<c01052f9>] > > | [<c0105000>] [<c010502a>] > > | > > | Code: 0f 0b ef 04 60 33 26 c0 8b 7d f4 f7 c7 00 04 00 00 74 36 b8 > > | <0>Kernel panic: Aiee, Killing interrupt handler! > > | In interrupt handler - not syncing > > > > The stack addresses are useless without associating some of (your) > > kernel symbols with them. Please read REPORTING-BUGS in the top > > level of the kernel source tree for full bug-reporting info, and see > > Documentation/Changes on where to get 'ksymoops' if you don't > > already have it, then run this panic message text thru ksymoops. > > That should tell the function call chain to get to slab.c. > > Yes please run ksymoops on the output as Randy suggests. > > > > kernel BUG as slab.c:1263! > > Are you using SMP? > > The BUG happens because kmem_check_poison_obj finds a POISON_END > byte not at the end the object . > > if (cachep->flags & SLAB_POISON) > if (kmem_check_poison_obj(cachep, objp)) > BUG(); > Whats your config? > > Have you been able to capture the same oops ie same or similar backtrace, > also "BUG at slab.c:1263!" more than once? > > Maybe hardware bug, but potentially not (maybe some sort of kernel memory > overwrite).
Nathan,
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