2.3.99-pre4-[12] nfs oops

From: Jon Evans (jevans@red-net.co.uk)
Date: Fri Mar 31 2000 - 09:22:00 EST


Hi,

It's an autofs system that mounts several directories via nfs,
including a directory in my $HOME. I got the following oops:

ksymoops 2.3.3 on i686 2.3.99-pre4. Options used
     -V (default)
     -k /proc/ksyms (default)
     -l /proc/modules (default)
     -o /lib/modules/2.3.99-pre4/ (default)
     -m /usr/src/linux/System.map (default)

Warning: You did not tell me where to find symbol information. I will
assume that the log matches the kernel and modules that are running
right now and I'll use the default options above for symbol resolution.
If the current kernel and/or modules do not match the log, you can get
more accurate output by telling me the kernel version and where to find
map, modules, ksyms etc. ksymoops -h explains the options.

Warning (expand_objects): object /lib/modules/2.3.99-pre4/fs/autofs4.o for module autofs4 has changed since load
Warning (expand_objects): object /lib/modules/2.3.99-pre4/misc/3c59x.o for module 3c59x has changed since load
Warning (expand_objects): object /lib/modules/2.3.99-pre4/fs/nls_iso8859-1.o for module nls_iso8859-1 has changed since load
Warning (expand_objects): object /lib/modules/2.3.99-pre4/fs/nls_cp437.o for module nls_cp437 has changed since load
Warning (expand_objects): object /lib/modules/2.3.99-pre4/fs/vfat.o for module vfat has changed since load
Warning (expand_objects): object /lib/modules/2.3.99-pre4/fs/fat.o for module fat has changed since load

Mar 31 13:29:08 jevans kernel: Unable to handle kernel paging request at virtual address 465f4765
Mar 31 13:29:08 jevans kernel: *pde = 00000000
Mar 31 13:29:08 jevans kernel: Oops: 0002
Mar 31 13:29:08 jevans kernel: CPU: 0
Mar 31 13:29:08 jevans kernel: EIP: 0010:[nfs_reqlist_exit+54/104]
Mar 31 13:29:08 jevans kernel: EFLAGS: 00010202
Mar 31 13:29:08 jevans kernel: eax: 465f4749 ebx: c2e919a0 ecx: c0818f7c edx: c1498340
Mar 31 13:29:08 jevans kernel: esi: ce7bf4b4 edi: 0000000a ebp: 08051e70 esp: c03a5f54
Mar 31 13:29:08 jevans kernel: ds: 0018 es: 0018 ss: 0018
Mar 31 13:29:08 jevans kernel: Process umount (pid: 4673, stackpage=c03a5000)
Mar 31 13:29:08 jevans kernel: Stack: ce7bf400 ce7bf4b4 c015923e ce7bf4b4 ce7bf400 00000000 c01347c1 ce7bf400
Mar 31 13:29:08 jevans kernel: 00000000 0000000a fffffffa c013489b 0000000a 00000000 00000000 00000000
Mar 31 13:29:08 jevans kernel: 0000000a c0818f00 c01349df 0000000a 00000000 c03a4000 08051e71 0804d340
Mar 31 13:29:08 jevans kernel: Call Trace: [nfs_put_super+18/80] [do_umount+233/336] [umount_dev+115/252] [sys_umount+187/200] [sys_oldumount+12/16] [system_call+52/56]
Mar 31 13:29:08 jevans kernel: Code: c7 40 1c f4 ff ff ff 8b 43 1c 50 e8 2a 88 08 00 83 c4 04 8d

Code; 00000000 Before first symbol
00000000 <_EIP>:
Code; 00000000 Before first symbol
   0: c7 40 1c f4 ff ff ff movl $0xfffffff4,0x1c(%eax)
Code; 00000007 Before first symbol
   7: 8b 43 1c movl 0x1c(%ebx),%eax
Code; 0000000a Before first symbol
   a: 50 pushl %eax
Code; 0000000b Before first symbol
   b: e8 2a 88 08 00 call 8883a <_EIP+0x8883a> 0008883a Before first symbol
Code; 00000010 Before first symbol
  10: 83 c4 04 addl $0x4,%esp
Code; 00000013 Before first symbol
  13: 8d 00 leal (%eax),%eax

7 warnings issued. Results may not be reliable.

Sorry about the wrapping.

NFS mounts can't be unmounted, and system also oopses again on
shutdown. I'm back using 2.3.99-pre3 now, I can experiment again with
pre4 if anyone needs me to try something.

If you need to contact me please email this address, I'm subscribed at
a different address.

Jon.

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