From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jesse Barnes Subject: Re: [Bug #16207] Suspend and VT switch hangs since 2.6.34 Date: Fri, 23 Jul 2010 10:33:36 -0700 Message-ID: <20100723103336.539a3d61@virtuousgeek.org> References: Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Content-Type: text/plain; charset="us-ascii" To: "Rafael J. Wysocki" Cc: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , Tino Keitel On Fri, 23 Jul 2010 14:15:52 +0200 (CEST) "Rafael J. Wysocki" wrote: > This message has been generated automatically as a part of a report > of regressions introduced between 2.6.33 and 2.6.34. > > The following bug entry is on the current list of known regressions > introduced between 2.6.33 and 2.6.34. Please verify if it still should > be listed and let the tracking team know (either way). > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=16207 > Subject : Suspend and VT switch hangs since 2.6.34 > Submitter : Tino Keitel > Date : 2010-06-09 17:53 (45 days old) > Message-ID : <20100609175356.GA17332-dW8JlKMZij8@public.gmane.org> > References : http://marc.info/?l=linux-kernel&m=127610606214060&w=2 I think this may actually be an X server bug. 2.6.34 introduced some new features that X drivers take advantage of, but there was some bugginess in the X server's handling of client block and unblock, leading to hangs at VT switch time. This could be related to some upstream bugs in the X server (bugs.freedesktop.org): 28998 28365 27035 Can you check those out and see if they're relevant? 27035 and 28998 in particular fixed VT switch problems for me. -- Jesse Barnes, Intel Open Source Technology Center