linux-kernel - Re: xterms freezing on 2.6.31-rc2 (was Re: [regression] Re: 2.6.31-rc2: X stop accepting keystrokes?)

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Message-ID: <alpine.LNX.2.00.0907171512260.11648@wotan.suse.de>
Date:	Fri, 17 Jul 2009 15:13:41 +0200 (CEST)
From:	Jiri Kosina <jkosina@...e.cz>
To:	Pavel Machek <pavel@....cz>
Cc:	kernel list <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-input@...r.kernel.org,
	Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: Re: xterms freezing on 2.6.31-rc2 (was Re: [regression] Re: 2.6.31-rc2:
 X stop accepting keystrokes?)

On Fri, 17 Jul 2009, Pavel Machek wrote:

> > > ...and they seem to be slightly different crashes. Once keyboard was
> > > dead but mouse worked, second time keyboard still worked but xterms
> > > kept locking up. I managed to type dmesg into one of them, but that
> > > xterm hung in middle of dump :-(.
> > 
> > I guess that both keyboard and mouse are PS/2 connected, right?
> 
> Thinkpad internal keyboard/mouse, yes.
> 
> > Any possibility to capture serial console output?
> 
> I managed to get dmesg via magic sysrq at some point. I got some
> softlockup messages and processes seemed to hang.

Softlockup in which area?

Are you able to ssh into the machine? Where do the xterms hang? 
(/proc/<pid>/stack)

> I'm no  longer sure how much keyboard related it is. It seems to
> happen while typing, but ... the system still reacts to keyboard but
> xterms hang. 

Could this be related to

	http://lkml.org/lkml/2009/7/16/268

?

-- 
Jiri Kosina
SUSE Labs
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