linux-ext4 - Re: 2.6.25-git2: BUG: unable to handle kernel paging request at ffffffffffffffff

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

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
--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html