Re: Top kernel oopses/warnings for the week of May 16th 2008
From: Dave Jones
Date: Mon May 19 2008 - 23:53:23 EST
On Fri, May 16, 2008 at 09:04:26PM +0300, Adrian Bunk wrote:
> On Fri, May 16, 2008 at 09:41:31AM -0700, Arjan van de Ven wrote:
> > Bug of the week
> > ---------------
> > Not in the top 10 (but barely not so), but upcoming fast is a bug that has a very
> > distinct pattern.
> > The backtraces are at http://www.kerneloops.org/searchweek.php?search=fput
> > The pattern is that the kernel gets an invalid pointer passed to fput(),
> > coming down from a select() system call done by the "wpa_supplicant" program.
> > The fact that it is ONLY wpa_supplicant implicates the wireless/network stack.
> > Another observation is that this only happens with 64 bit kernels, even though
> > a large portion of the users uses 32 bit kernels. This implies that this is a 64-bit
> > type of bug. It appears that the top 32 bit of the pointers is getting corrupted
> > (the bottom part at least looks valid).
> Unless I misunderstand your webinterface another pattern is a "fc9" in
> the version string.
Unsurprising really given we just did a release, and not many other distros
are enabling kerneloops by default yet.
> My first guess would be that it might be a problem in some code that is
> only in Fedora kernels?
Very likely, though it's worth noting that all the wireless patches we have
in f9 are from wireless.git, so they're valid 2.6.26-rc bugs
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