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Message-ID: <20080425140936.GA19602@elf.ucw.cz>
Date: Fri, 25 Apr 2008 16:09:36 +0200
From: Pavel Machek <pavel@....cz>
To: Jiri Slaby <jirislaby@...il.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>,
Zdenek Kabelac <zdenek.kabelac@...il.com>,
Ingo Molnar <mingo@...e.hu>, "Rafael J. Wysocki" <rjw@...k.pl>,
paulmck@...ux.vnet.ibm.com, David Miller <davem@...emloft.net>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...ux-foundation.org>,
linux-ext4@...r.kernel.org, herbert@...dor.apana.org.au,
Pekka Enberg <penberg@...helsinki.fi>,
Christoph Lameter <clameter@....com>
Subject: Re: 2.6.25-git2: BUG: unable to handle kernel paging request at
ffffffffffffffff
Hi!
> core 2 duo, 2gigs of mem, 2 sata II disks, raid0, raid1 (both 0.9), lvm2,
> ext3 above all of it.
>
> Modules:
> Module Size Used by
> tun 11012 1 <----- Using vpn!
> bitrev 2240 1 tun
> ipv6 269736 36
> arc4 2432 2
> ecb 3584 2
> crypto_blkcipher 18052 1 ecb
> cryptomgr 3712 0
> crypto_algapi 15872 4 arc4,ecb,crypto_blkcipher,cryptomgr
> ath5k 104640 0
> mac80211 140240 1 ath5k
> crc32 4416 2 tun,mac80211
> sr_mod 15748 0
> rtc_cmos 10232 0
> rtc_core 17220 1 rtc_cmos
> floppy 64488 0
> cfg80211 27920 2 ath5k,mac80211
> cdrom 37800 1 sr_mod
> ohci1394 31412 0
> rtc_lib 3328 1 rtc_core
> ieee1394 90808 1 ohci1394
> evdev 11584 5
> usbhid 49952 0
> hid 73664 1 usbhid
> ff_memless 6088 1 usbhid
> ehci_hcd 37388 0
One useful trick is trying to boot with init=/bin/bash, and see if the
problem persists. If it is gone, it is likely one of the modules, and
those may be binary-searched -- which is often easier than bisect.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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