Oops and system hang on reboot of 2.1.20

Oliver Elphick (olly@linda.lfix.co.uk)
Mon, 13 Jan 1997 11:05:48 +0000

I got the following Oops followed by a system hang when I rebooted
2.1.20 using 'shutdown -r -y 0' in runlevel 4 (if you want further information,
please contact me direct). This was written down by hand from the screen:

Syncing...
Reboot: Calling reboot(0xfee1dead, 672274793, 0x01234567)
Unable to handle kernel NULL pointer dereference at virtual address 0c000472
current->tss.cr3 = 00b5d000, %cr3 = 00b5d000
*pde = 00000000
Oops: 002
CPU: 0
EIP: 0010:[<c0109975>]
EFLAGS: 00010246
eax: c0350000 ebx: 00000000 ecx: 28121969 edx: 01234567
esi: ffffffff edi: 08048ec0 ebp: bffffdd8 esp: c0438fa4
ds: 0018 es: 0018 ss: 0018
Process reboot (pid: 176, process nr: 5, stackpage = c0438000)
Stack: 00000000 ffffffff 08048ec0 bffffdd8 0000003a c0114319 c035bc0c c010a8d8
fee1dead 28121969 01234567 ffffffff 08048ec0 bffffdd8 00000058 0000002b
0000002b 00000058 40074efc 00000023 00000282 bffffdd8 0000002b
Call Trace: [<0114319>] [<c010a8d8>]
Code: 66 a3 72 04 00 00 bd bc a7 00 00 8b 15 50 e3 1d c0 89 e8 f7
INIT: no more processes left in this runlevel