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From: Jesse Barnes <jbarnes-Y1mF5jBUw70BENJcbMCuUQ@public.gmane.org>
To: "Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>
Cc: Linux Kernel Mailing List
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Kernel Testers List
	<kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Maciej Rutecki
	<maciej.rutecki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Tino Keitel <tino.keitel+xorg-rAwCM5oiXHA@public.gmane.org>
Subject: Re: [Bug #16207] Suspend and VT switch hangs since 2.6.34
Date: Fri, 23 Jul 2010 10:33:36 -0700	[thread overview]
Message-ID: <20100723103336.539a3d61@virtuousgeek.org> (raw)
In-Reply-To: <PRbv8sgxY6G.A.j1F.aVYSMB@chimera>

On Fri, 23 Jul 2010 14:15:52 +0200 (CEST)
"Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org> 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 <tino.keitel+xorg-rAwCM5oiXHA@public.gmane.org>
> 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

  reply	other threads:[~2010-07-23 17:33 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-23 12:11 2.6.35-rc6: Reported regressions 2.6.33 -> 2.6.34 Rafael J. Wysocki
2010-07-23 12:11 ` [Bug #15664] Graphics hang and kernel backtrace when starting Azureus with Compiz enabled Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #15912] Audio/video sync and crackling issues with snd-hda-intel (AD1981 codec) Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #15704] [r8169] WARNING: at net/sched/sch_generic.c Rafael J. Wysocki
2010-07-26 13:16   ` Sergey Senozhatsky
2010-07-26 14:34     ` Eric Dumazet
2010-07-26 14:57       ` Sergey Senozhatsky
     [not found]         ` <20100726145742.GA4888-dY8u8AhHFaWtd10JCjopabkcH5ONE+aC@public.gmane.org>
2010-07-26 15:20           ` Eric Dumazet
2010-07-26 15:50   ` Sergey Senozhatsky
2010-07-23 12:15 ` [Bug #15977] WARNING: at lib/dma-debug.c:866 check_for_stack Rafael J. Wysocki
2010-07-30  6:58   ` FUJITA Tomonori
2010-07-23 12:15 ` [Bug #15862] 2.6.34-rc4/5: iwlagn unusable until reload Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #15673] 2.6.34-rc2: "ima_dec_counts: open/free imbalance"? Rafael J. Wysocki
2010-07-23 15:12   ` Thomas Meyer
     [not found]     ` <1279897933.3126.1.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2010-07-23 19:50       ` Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16097] 2.6.34 on Samsung P460: reset after "Waiting for /dev to be fully populated" Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16007] x86/pci Oops with CONFIG_SND_HDA_INTEL Rafael J. Wysocki
2010-07-23 14:20   ` Bjorn Helgaas
2010-07-23 19:51     ` Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16082] host panic on kernel 2.6.34 Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16035] Incorrect initial resolution of (external) vga monitor with KMS Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16206] PROBLEM: PPP and other serial port related application hangs in kernel space Rafael J. Wysocki
2010-07-25 19:36   ` Chuck Ebbert
2010-07-23 12:15 ` [Bug #16170] Leadtek Winfast DTV Dongle (STK7700P based) is not working in 2.6.34 Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16137] Ooops in BTRFS in 2.6.34 / x86_64 when mounting subvolume by name Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16139] wait_even_interruptible_timeout(), signal, spin_lock() = system hang Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16111] hostap_pci: infinite registered netdevice wifi0 Rafael J. Wysocki
2010-07-23 13:13   ` Tim Gardner
     [not found]     ` <4C49958E.6060808-FkRxxPpxr6pWk0Htik3J/w@public.gmane.org>
2010-07-23 19:53       ` Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16207] Suspend and VT switch hangs since 2.6.34 Rafael J. Wysocki
2010-07-23 17:33   ` Jesse Barnes [this message]
     [not found]     ` <20100723103336.539a3d61-Y1mF5jBUw70BENJcbMCuUQ@public.gmane.org>
2010-07-23 17:50       ` Tino Keitel
     [not found]         ` <20100723175056.GA30411-dW8JlKMZij8@public.gmane.org>
2010-07-23 17:57           ` Jesse Barnes
2010-07-23 12:15 ` [Bug #16233] Fwd: [2.6.34] INFO: task rsync:20019 blocked for more than 120 seconds Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16270] Image is a hit-or-a-miss. Often displayed green+purple Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16300] [2.6.34 regression] mplayer gets out of sync due to problems with ALSA Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16320] iwl3945 crashes, seems to be disconnecting from the PCI bus Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16361] KMS not working on Radeon Mobility 3430 Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16348] kswapd continuously active when doing IO Rafael J. Wysocki
2010-07-23 13:45   ` Dave Chinner
2010-07-23 19:55     ` Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16357] acpi-cpufreq fails to load (No such device) if CONFIG_SMP=n Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16371] Regression 2.6.33->2.6.34: OOPS at boot, kmalloc corruption? Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16388] i915 drm BUG: unable to handle kernel paging request at a5e89046 Rafael J. Wysocki
2010-07-23 17:37   ` Jesse Barnes
2010-07-23 12:15 ` [Bug #16376] random - possibly Radeon DRM KMS related - freezes Rafael J. Wysocki
2010-07-23 12:15 ` [Bug #16377] X.org crash while running a OpenGL composited KDE 4.4.4 session with Radeon KMS Rafael J. Wysocki
  -- strict thread matches above, loose matches on Subject: below --
2010-07-10  0:24 2.6.35-rc4-git4: Reported regressions 2.6.33 -> 2.6.34 Rafael J. Wysocki
2010-07-10  0:33 ` [Bug #16207] Suspend and VT switch hangs since 2.6.34 Rafael J. Wysocki
2010-07-12 16:20   ` Jesse Barnes
2010-07-12 19:08     ` Tino Keitel

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