Arch Linux

hightower

Member

Registered: 2006-04-02

Posts: 182

[solved] Error concerning "kernel NULL pointer"

Hallo,

today I encountered a strange error. Aplay (called by gaim) and Firefox were affected, but the error message was very similar. The kernel.log says:

Mar 23 13:38:27 Linux <1>BUG: unable to handle kernel NULL pointer dereference at virtual address 0000007c

The complete logs are here:
Firefox: http://pastebin.archlinux.org/2066
Aplay: http://pastebin.archlinux.org/2067

Kernel: 2.6.20.3-3 unmodified

My hardware is ok, as far as I can tell. I made a memtest and some stress test. Besides Windows doesn't show any uncommon behaviour. Boot up was normal, but recently I had some hard freezes, which I don't know where they came from.

Thanks for your help,
hightower

Last edited by hightower (2007-03-30 12:18:28)

tomk

Forum Fellow

From: Ireland

Registered: 2004-07-21

Posts: 9,839

Re: [solved] Error concerning "kernel NULL pointer"

Did this happen after a pacman -Syu? If so, list the upgraded packages.

hightower

Member

Registered: 2006-04-02

Posts: 182

Re: [solved] Error concerning "kernel NULL pointer"

I think the relevant part is this:

[03/22/07 21:15] starting full system upgrade
[03/22/07 21:16] upgraded libcups (1.2.9-1 -> 1.2.10-1)
[03/22/07 21:16] upgraded cups (1.2.9-1 -> 1.2.10-1)
[03/22/07 21:16] upgraded kernel26 (2.6.20.3-2 -> 2.6.20.3-3)
[03/22/07 21:17] upgraded mplayer-plugin (3.35-1 -> 3.40-1)
[03/22/07 21:17] upgraded vim (7.0.216-1 -> 7.0.219-1)

the whole log of the last week here: http://pastebin.archlinux.org/2082

hightower

hightower

Member

Registered: 2006-04-02

Posts: 182

Re: [solved] Error concerning "kernel NULL pointer"

All my problems are literally dust in the wind. After cleaning my PC and removing all the dust which has gathered in my case for many years, the issues are gone. I think it was a heat problem which affected the RAM and/or the electronic components built around it.

hightower