oops after nfsd/ppp

tmg@bc.sympatico.ca
Tue, 20 Jul 1999 16:40:25 -0600


I got the following oops after modprobing nfsd then starting
a PPP connection. The system seemed fine afterwards.

ksymoops 0.7c on i586 2.3.10. Options used
-V (default)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.3.10/ (default)
-M (specified)

Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 01497000, %cr3 = 01497000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c010ea64>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010082
eax: 00000016 ebx: c0094000 ecx: c01b8b28 edx: c02ce000
esi: c0094000 edi: c1063f64 ebp: c1063e84 esp: c1063e70
ds: 0018 es: 0018 ss: 0018
Process pppd (pid: 6261, process nr: 27, stackpage=c1063000)
Stack: c0094000 c1063f64 00000282 00000001 c0094098 c0c49000 c28620d6 c0094000
c0094000 c0c49100 c285e3f7 c0094000 c0094000 c0c490c0 c0178ca6 c0c49000
c0c49000 bffff558 0000001a c0c49000 c1063f24 c01f1580 00000000 00000000
Call Trace: [<c28620d6>] [<c285e3f7>] [<c0178ca6>] [<c0186702>] [<c017df10>] [<c28625cb>] [<c285e230>]
[<c285e300>] [<c285e410>] [<c285e600>] [<c285e730>] [<c285eac0>] [<c285f410>] [<c285f400>] [<c285eb70>]
[<c017ad03>] [<c017aff3>] [<c017ad5c>] [<c012dba6>] [<c010794c>]
Code: c7 05 00 00 00 00 00 00 00 00 83 c4 04 8d 76 00 8b 4d fc 83

>>EIP; c010ea64 <notify_parent+664/d10> <=====
Trace; c28620d6 <[ppp_deflate]scan_tree+b6/140>
Trace; c285e3f7 <[sb]es1887_mix+a4d3/c12c>
Trace; c0178ca6 <ide_unregister_module+3a6/9c0>
Trace; c0186702 <tty_hung_up_p+e02/16b0>
Trace; c017df10 <create_proc_ide_interfaces+2110/2610>
Trace; c28625cb <[ppp_deflate]send_tree+46b/610>
Trace; c285e230 <[sb]es1887_mix+a30c/c12c>
Trace; c285e300 <[sb]es1887_mix+a3dc/c12c>
Trace; c285e410 <[sb]es1887_mix+a4ec/c12c>
Trace; c285e600 <[sb]es1887_mix+a6dc/c12c>
Trace; c285e730 <[sb]es1887_mix+a80c/c12c>
Trace; c285eac0 <[sb]es1887_mix+ab9c/c12c>
Trace; c285f410 <[sb]es1887_mix+b4ec/c12c>
Trace; c285f400 <[sb]es1887_mix+b4dc/c12c>
Trace; c285eb70 <[sb]es1887_mix+ac4c/c12c>
Trace; c017ad03 <resetup_one_dev+1a43/2680>
Trace; c017aff3 <resetup_one_dev+1d33/2680>
Trace; c017ad5c <resetup_one_dev+1a9c/2680>
Trace; c012dba6 <flush_old_exec+106/1f0>
Trace; c010794c <dump_thread+115c/2730>
Code; c010ea64 <notify_parent+664/d10>
00000000 <_EIP>:
Code; c010ea64 <notify_parent+664/d10> <=====
0: c7 05 00 00 00 movl $0x0,0x0 <=====
Code; c010ea69 <notify_parent+669/d10>
5: 00 00 00 00 00
Code; c010ea6e <notify_parent+66e/d10>
a: 83 c4 04 addl $0x4,%esp
Code; c010ea71 <notify_parent+671/d10>
d: 8d 76 00 leal 0x0(%esi),%esi
Code; c010ea74 <notify_parent+674/d10>
10: 8b 4d fc movl 0xfffffffc(%ebp),%ecx
Code; c010ea77 <notify_parent+677/d10>
13: 83 00 00 addl $0x0,(%eax)

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/