Re: Early-boot kernel panics from udev-165/extras/ata_id/ata_id.c

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Pazartesi 10 Ocak 2011 gÃnà (saat 10:10:12) Hannes Reinecke ÅunlarÄ yazmÄÅtÄ:
> On 01/07/2011 03:13 AM, Robby Workman wrote:
> > On Thu, 6 Jan 2011 14:29:27 -0800
> > Greg KH <greg@xxxxxxxxx> wrote:
> > 
> >> On Thu, Jan 06, 2011 at 05:02:30PM -0500, John Stanley wrote:
> >>> Hello,
> >>> There is a problem in udev-165/extras/ata_id/ata_id.c resulting in
> >>> random early boot kernel panics.  As it stands, udev-165 is not
> >>> usable because the boot panics occur to frequently.  The systems are
> >>> GNU/Linux i686 with linux-2.6.36.2 and linux-2.6.37, gcc-4.5.1, and
> >>> glibc-2.12.1.
> >>
> >> What is the kernel oops message?  That should be fixed first, no
> >> userspace code should be able to crash the kernel.
> > 
> > 
> > Hi Greg,
> > 
> > First, sorry for not posting something about this sooner - I'd
> > pinged Kay on IRC about it, and I *promise* I had planned to
> > forward it to the scsi/ati guys, but work has been hell this 
> > week.  Anyway, here's the initial report we got about it, along
> > with a lot of debugging by other folks (including the OP, who
> > I think is 'resonance' in that thread): 
> > http://www.linuxquestions.org/questions/slackware-14/current-randomly-timed-kernel-oops-on-bootup-of-two-test-boxen-852843/
> > 
> It's all Tejun's fault.
> kernel crashing in ata_sff_data_xfer / ioread32 ...
> Looks like we're trying a read to a page which wasn't
> mapped/allocated properly.

I've just had another report about random crashes (udev-165 on 2.6.37) which
crash in ioread16_rep:

http://img5.imagebanana.com/img/1ub7ghcy/DSCF5552.JPG

---
Ozan ÃaÄlayan
TUBITAK/UEKAE - Pardus Linux
http://www.pardus.org.tr/eng
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