[OOPS] nfs client in 2.1.120

Rani Assaf (rani@magic.metawire.com)
Sun, 6 Sep 1998 03:09:02 -0700


Hi,

This happened after trying to remount a previously unmounted partition:
Unable to handle kernel NULL pointer dereference at virtual address 00000000
current->tss.cr3 = 06530000, %cr3 = 06530000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c0109b6b>]
EFLAGS: 00013286
eax: 00000010 ebx: c24e4000 ecx: c7996000 edx: c01f9a44
esi: c78bc028 edi: c58cda20 ebp: c58cda00 esp: c24e5e50
ds: 0018 es: 0018 ss: 0018
Process mount (pid: 1483, process nr: 65, stackpage=c24e5000)
Stack: c24e5e84 c78bc028 c88606a7 c7bb2800 00000002 c88675fc 00000002 c000fb60
c7b8cec0 00000000 c58cda00 00000000 c7bb2844 c000f920 c015d7fe c7c7aea0
c63eb96c c63f59c0 c24e5ef4 c63e8004 c7fd8060 00000001 c0223a74 c7b071e0
Call Trace: [<c88606a7>] [<c88675fc>] [<c015d7fe>] [<c0130214>] [<c01303c6>]
[<c012ca1a>] [<c012ce8c>]
[<c8866023>] [<c8866023>] [<c012d3a4>] [<c8866023>] [<c010ad2c>]
Code: c7 05 00 00 00 00 00 00 00 00 83 c4 04 c3 8d 76 00 83 ec 08

Using `/boot/System.map-2.1.120' to map addresses to symbols.

>>EIP: c0109b6b <checksignals+27/38>
Trace: c88606a7
Trace: c88675fc
Trace: c015d7fe <ip_output+82/c4>
Trace: c0130214 <do_follow_link+70/7c>
Trace: c01303c6 <lookup_dentry+1a6/1e8>
Trace: c012ca1a <read_super+86/ac>
Trace: c012ce8c <do_mount+a0/108>
Trace: c8866023
Trace: c8866023
Trace: c012d3a4 <sys_mount+2b8/330>
Trace: c8866023
Trace: c010ad2c <system_call+34/38>
Code: c0109b6b <checksignals+27/38>
Code: c0109b6b <checksignals+27/38> c7 05 00 00 00 movl $0x0,0x0
Code: c0109b70 <checksignals+2c/38> 00 00 00 00 00
Code: c0109b75 <checksignals+31/38> 83 c4 04 addl $0x4,%esp
Code: c0109b78 <checksignals+34/38> c3 ret
Code: c0109b79 <checksignals+35/38> 8d 76 00 leal 0x0(%esi),%esi
Code: c0109b7c <sys_sigsuspend> 83 ec 08 subl $0x8,%esp

nfs is compiled as a module.

Rani

-
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/faq.html