Messages in this thread | | | Date | Sat, 23 Aug 1997 18:59:57 +0200 (MET DST) | From | Marco Rogantini <> | Subject | Re: 2.1.51 oopses in d_lookup |
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Hello,
On Sat, 23 Aug 1997 mb@ichabod.han.de wrote:
> You (James Mastros) wrote: > > Sounds like a dentry got corrupted (landed on bad memory). It's happened to > > me a couple of times, and I replaced some memory. <G> If userspace did > > Yes, maybe, but I doubt that. The hardware worked flawlessly since > 2.1.17. It just happened again a few minutes ago, and again it was > crond which triggered the oops, again in d_lookup, again a 'clear' > looping. Anyway, I'll stress test the memory over the weekend.
I also doubt that: it is happening to me since 2.1.49
Unable to handle kernel NULL pointer dereference at virtual address 00000000 current->tss.cr3 = 00f19000, *pde = 00f18067 *pte = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[<c012ddbb>] EFLAGS: 00010282 eax: ffffffe8 ebx: 49e29bbd ecx: c1d39005 edx: 00000000 esi: 0ac90fde edi: c1d39012 ebp: 0000000d esp: c0f0dee4 ds: 0018 es: 0018 ss: 0018 Process crond (pid: 144, process nr: 16, stackpage=c0f0d000) Stack: c0f0df48 c0e921e0 c1d39012 c0e921e0 c0213920 c1d39005 49e29bbd c012944d c0e921e0 c0f0df48 c0f0df48 c0e921e0 c01294f7 c0e921e0 c0f0df48 c06c2a00 0000000d c012969f c0e921e0 c0f0df48 c06c2ae0 00000180 000006c2 00008180 Call Trace: [<c012944d>] [<c01294f7>] [<c012969f>] [<c01297ab>] [<c01221cf>] [<c0122383>] [<c010944a>] Code: 8b 12 8b 5c 24 18 39 58 38 75 ec 39 68 34 75 e7 8b 5c 24 20
Using `/boot/System.map-2.1.49' to map addresses to symbols.
>>EIP: c012ddbb <d_lookup+57/90> Trace: c012944d <cached_lookup+11/58> Trace: c01294f7 <lookup+1f/44> Trace: c012969f <lookup_dentry+fb/14c> Trace: c01297ab <open_namei+3f/2b0> Trace: c01221cf <do_open+4b/134> Trace: c0122383 <sys_open+3b/6c> Trace: c010944a <system_call+3a/40>
Code: c012ddbb <d_lookup+57/90> Code: c012ddbb <d_lookup+57/90> 8b 12 movl (%edx),%edx Code: c012ddbd <d_lookup+59/90> 8b 5c 24 18 movl 0x18(%esp,1),%ebx Code: c012ddc1 <d_lookup+5d/90> 39 58 38 cmpl %ebx,0x38(%eax) Code: c012ddc4 <d_lookup+60/90> 75 ec jne fffffff7 <_EIP+fffffff7> Code: c012ddcc <d_lookup+68/90> 39 68 34 cmpl %ebp,0x34(%eax) Code: c012ddcf <d_lookup+6b/90> 75 e7 jne fffffff7 <_EIP+fffffff7> Code: c012ddd1 <d_lookup+6d/90> 8b 5c 24 20 movl 0x20(%esp,1),%ebx Code: c012dddb <d_lookup+77/90>
more info on request.
-mr
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