[OpenAFS-devel] repeatable ksymoops running cvs2cl on AFS repository

[Nathan Neulinger]

I occasionally get that type of failure if I have -files set low or not
set. Did you see any other error in syslogs? i.e. the reason for
osi_Panic?

-- Nathan

Sam Hartman wrote:
> 
> Shortly after running cvs2cl (or possibly during; at least once during
> but I'm not sure about the most current time), I get an oops of the
> following form.  My kernel and system is kind of crufty (2.4.0) but
> I'm running Debian openafs 1.1.0.r There are no patches in the Debian
> diff that currently get pulled into code that the AFS module uses.
> 
> I'll probably try upgrading to a more recent 2.4.x kernel.
> Oops: 0002
> CPU:    0
> EIP:    0010:[<c8884a8d>]
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010286
> eax: 00000028   ebx: c24e3410   ecx: c02456a8   edx: c5d85e60
> esi: c24e3410   edi: c64587c0   ebp: c24e3704   esp: c1565d2c
> ds: 0018   es: 0018   ss: 0018
> Process cvs (pid: 12236, stackpage=c1565000)
> Stack: c889cce0 3b5805bf 000a9827 39ff4b06 c3f9afc0 3b5805bf 00000000 c886595d
>        c889cce0 3b5805bf 000a9827 39ff4b06 00000000 c1565e90 c1565eb0 c1565ed4
>        c24e3600 00000000 00000005 00000258 0000025a c88ac104 00000005 c8867383
> Call Trace: [<c889cce0>] [<c886595d>] [<c889cce0>] [<c88ac104>] [<c8867383>] [<c886741f>] [<c89a63a8>]
>        [<c885cec1>] [<c885cf05>] [<c885cc13>] [<c89a63a8>] [<c887041e>] [<c88699d4>] [<c89a63a8>] [<c8869edb>]
>        [<c888c9f7>] [<c888f399>] [<c0134f9b>] [<c01356a9>] [<c0134d1a>] [<c0135c9c>] [<c012a87d>] [<c012b3d7>]
>        [<c0108d5f>]
> Code: c6 05 ff ff ff ff 2a 83 c4 10 83 c4 0c c3 90 55 57 56 53 8b
> 
> >>EIP; c8884a8d <[openafs]osi_Panic+25/34>   <=====
> Trace; c889cce0 <[openafs]rcsid+1e0/3c0>
> Trace; c886595d <[openafs]afs_NewVCache+101/72c>
> Trace; c889cce0 <[openafs]rcsid+1e0/3c0>
> Trace; c88ac104 <[openafs]afs_shared_mmap_ops+1c0/4c1b>
> Trace; c8867383 <[openafs]afs_GetVCache+7f/44c>
> Trace; c886741f <[openafs]afs_GetVCache+11b/44c>
> Trace; c89a63a8 <[openafs].bss.end+f5849/196501>
> Trace; c885cec1 <[openafs]FindItem+25/fc>
> Trace; c885cf05 <[openafs]FindItem+69/fc>
> Trace; c885cc13 <[openafs]afs_dir_LookupOffset+77/84>
> Trace; c89a63a8 <[openafs].bss.end+f5849/196501>
> Trace; c887041e <[openafs]afs_lookup+832/ce0>
> Trace; c88699d4 <[openafs]afs_AccessOK+3c/14c>
> Trace; c89a63a8 <[openafs].bss.end+f5849/196501>
> Trace; c8869edb <[openafs]afs_CopyOutAttrs+187/194>
> Trace; c888c9f7 <[openafs]crref+b/68>
> Trace; c888f399 <[openafs]afs_linux_lookup+2d/11c>
> Trace; c0134f9b <real_lookup+53/c4>
> Trace; c01356a9 <path_walk+565/7ac>
> Trace; c0134d1a <getname+5a/98>
> Trace; c0135c9c <__user_walk+3c/58>
> Trace; c012a87d <sys_access+8d/128>
> Trace; c012b3d7 <sys_close+43/54>
> Trace; c0108d5f <system_call+33/38>
> Code;  c8884a8d <[openafs]osi_Panic+25/34>
> 00000000 <_EIP>:
> Code;  c8884a8d <[openafs]osi_Panic+25/34>   <=====
>    0:   c6 05 ff ff ff ff 2a      movb   $0x2a,0xffffffff   <=====
> Code;  c8884a94 <[openafs]osi_Panic+2c/34>
>    7:   83 c4 10                  add    $0x10,%esp
> Code;  c8884a97 <[openafs]osi_Panic+2f/34>
>    a:   83 c4 0c                  add    $0xc,%esp
> Code;  c8884a9a <[openafs]osi_Panic+32/34>
>    d:   c3                        ret
> Code;  c8884a9b <[openafs]osi_Panic+33/34>
>    e:   90                        nop
> Code;  c8884a9c <[openafs]osi_utoa+0/ac>
>    f:   55                        push   %ebp
> Code;  c8884a9d <[openafs]osi_utoa+1/ac>
>   10:   57                        push   %edi
> Code;  c8884a9e <[openafs]osi_utoa+2/ac>
>   11:   56                        push   %esi
> Code;  c8884a9f <[openafs]osi_utoa+3/ac>
>   12:   53                        push   %ebx
> Code;  c8884aa0 <[openafs]osi_utoa+4/ac>
>   13:   8b 00                     mov    (%eax),%eax
> 
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-- 


------------------------------------------------------------
Nathan Neulinger                       EMail:  nneul@umr.edu
University of Missouri - Rolla         Phone: (573) 341-4841
CIS - Systems Programming                Fax: (573) 341-4216