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DateThu, 8 May 2008 22:44:26 -0400
FromTheodore Tso <>
SubjectRe: Possible regression? 2.6.26-rc1: X61s failure after suspend/resume
On Thu, May 08, 2008 at 11:52:03PM +0200, Rafael J. Wysocki wrote:
> On Thursday, 8 of May 2008, Theodore Ts'o wrote:
> > 
> > I'm running a kernel based off of commit afa26be8 (just six commits
> > after 2.6.26-rc1), and very shortly after I suspend/resume my X61s (with
> > the Intel video chipset), the X server will lock up.  I can ssh into
> > the machine remotely, and restart the X server, but the newly restarted
> > X server will shortly lock up again, and the only way to solve the
> > problem is to reboot.  If I drop back to a 2.6.25 based kernel, the
> > problem goes away.
> > 
> > I've tried bisecting it, but the bisection points picked by git don't
> > boot at all, and given that I'm travelling I havent had much time to try
> > doing more bisecting; since I know a number of kernel developers have
> > Lenovo X61 laptops, I thought before I wasted more time trying to get
> > the git bisection to work, I'd check to see if anyone has seen this
> > problem and if the fix is known.  I'll also try the latest bleeding edge
> > kernel and hope it's fixed there....
> 
> This looks like another manifestation of
> http://bugzilla.kernel.org/show_bug.cgi?id=10620

Could be.  On my system, the X server runs for about 15 seconds to
five minutes before it wedges up and locks up.  This is why it took me
a while before I finally figured out that the way to reliably
reproduce the problem was to do a suspend/resume.  So it's not
*identical* to the report, but its really close....
When I have more time I'll try to find some actual bisection points
that actually will successfully boot on the X61s laptop, and not die
within 6-8 seconds of the kernel loading.....

							- Ted


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