Oops in 2.1.87

Trond Eivind =?ISO-8859-1?Q?Glomsr=F8d?= (teg@pvv.ntnu.no)
17 Feb 1998 10:29:56 +0100


I had a non-fatal oops occuring in 2.1.87 - just a few minutes after
boot (I had started a compilation).

******
Unable to handle kernel NULL pointer dereference at virtual address 00000021
current->tss.cr3 = 00101000, %cr3 = 00101000
*pde = 00000000
Oops: 0002
CPU: 0
EIP: 0010:[<c01346eb>]
EFLAGS: 00010286
eax: c45b0144 ebx: c45bf520 ecx: ffffffff edx: c40e74cc
esi: 00000001 edi: c4ff77e0 ebp: 0000c000 esp: c45b7f6c
ds: 0018 es: 0018 ss: 0018
Process httpd (pid: 324, process nr: 23, stackpage=c45b7000)
Stack: c45bf520 40159000 c4ff77e0 c011a3c6 c45bf520 c4ff77e0 40133978 00000000
bffffd1c c48b0ba0 c0111cf9 c4ff77e0 c45b6000 c0116155 c4ff77e0 c45b6000
40133978 00000000 bffffd1c c01162bf 00000000 c01098da 00000000 080ba2c8
Call Trace: [<c011a3c6>] [<c0111cf9>] [<c0116155>] [<c01162bf>] [<c01098da>]
Code: 66 89 41 22 a1 d0 0b 1c c0 89 41 18 66 8b 41 24 89 c7 4f 66
******
Using `../System.map' to map addresses to symbols.

>>EIP: c01346eb <shm_close+37/68>
Trace: c011a3c6 <exit_mmap+6e/f4>
Trace: c0111cf9 <mmput+19/30>
Trace: c0116155 <do_exit+a5/200>
Trace: c01162bf <sys_exit+f/10>
Trace: c01098da <system_call+3a/40>
Code: c01346eb <shm_close+37/68>
Code: c01346eb <shm_close+37/68> 66 89 41 22 movw %ax,0x22(%ecx)
Code: c01346ef <shm_close+3b/68> a1 d0 0b 1c c0 movl 0xc01c0bd0,%eax
Code: c01346f4 <shm_close+40/68> 89 41 18 movl %eax,0x18(%ecx)
Code: c01346fd <shm_close+49/68> 66 8b 41 24 movw 0x24(%ecx),%ax
Code: c0134701 <shm_close+4d/68> 89 c7 movl %eax,%edi
Code: c0134703 <shm_close+4f/68> 4f decl %edi
*******

A few seconds earlier, I got these messages:
*******
shm_open: unused id=1 PANIC
shm_open: unused id=1 PANIC
*******

BTW: Anyone have a working klogd with 2.1.87? The one shipped with RH5
doesn't work, and rebuilding it doesn't work either.

-- 
Trond Eivind Glomsrød
http://s9412a.steinan.ntnu.no/~teg/ ** teg@pvv.ntnu.no

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