** Changed in: linux (Debian)
Status: Confirmed => Fix Released
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to
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I have not seen this bug while using mainline kernels from 4.9.1 to
4.9.13 and now 4.10.1.
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Title:
kernel messages
Here is another data point:
- kernel: linux-image-4.8.12-040812-generic (Ubuntu mainline kernel)
- CPU/GPU : Core i7-2640M
This kind of event is quite rare with mainline kernels (I cannot say the
same of Ubuntu kernels and that's why I use mainline kernels).
[231716.438851] [ cut
@wiz I was getting a crash even without an external monitor plugged in,
but haven't been able to get a trace yet. Seems to occur less often with
a monitor resolution lowered, but the crash is fatal to the point I
can't get a trace out, unlike with a high-res hang.
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Trace is a little different though:
[ cut here ]
WARNING: CPU: 0 PID: 1109 at
/build/linux-BwgxJb/linux-4.4.0/ubuntu/i915/intel_display.c:3857
intel_atomic_commit+0x1497/0x14a0 [i915_bpo]()
Removing stuck page flip
...
Call Trace:
[] dump_stack+0x63/0x90
[]
Freezes with Sky Lake and dual 1080p monitors.
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
To manage
This has been affecting me approximately every 1-2 hours. Full details
and discussion can be found http://askubuntu.com/questions/838855
/crashing-freezing-hanging-on-remove-stuck-pageflip at that stack
overflow Q/A.
Macbook Pro A5102
OS: Ubuntu 16.04 LTS
Memory: 7.7GiB
Processor: Intel Core
Linux xavier 4.4.0-31-generic #50-Ubuntu SMP Wed Jul 13 00:07:12 UTC
2016 x86_64 x86_64 x86_64 GNU/Linux
Ubuntu 16.04.1 LTS (Xenial Xerus). Using external monitor and laptop lip
closed.
[52362.767655] WARNING: CPU: 0 PID: 2811 at
Linux buro-server2 4.4.0-22-generic #40-Ubuntu SMP Thu May 12 22:03:46
UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
Kubuntu on a dual monitor setup
For me it happens often when using (making rdesktop
fullscreen and back)
Pretty much as described every 2-4 days.
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kernel 4.4, ubuntu 16.04 (4.4.0-20-generic and -21), TOSHIBA PORTEGE
Z30-B
[ 104.875123] [ cut here ]
[ 104.875146] WARNING: CPU: 2 PID: 1425 at
/build/linux-yplzxd/linux-4.4.0/drivers/gpu/drm/i915/intel_display.c:3968
intel_crtc_wait_for_pending_flips+0x233/0x240
well, after all I decided to update the kernel. it didn't happen again
since the upgrade to 3.19
Linux Paula 3.19.0-32-generic #37~14.04.1-Ubuntu SMP Thu Oct 22 09:41:40
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
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Upgrading to 3.16 still caused display to crash.
I've successfully upgraded to kernel 3.19 (3.19.0-31-generic) and
haven't experienced the display crash issue since.
sudo apt-get install linux-generic-lts-vivid
I only ran into one issue with the i915 DKMS module crashing and fixed it by
same here, exact syslog message after the "crash" (display crash). I
don't want to manually update my kernel to 3.19.x since I've had very
bad experiences doing this. my system is crashing very often now. is
this going to be solved soon, please? thanks.
Ubuntu 14.04.3 LTS
3.16.0-30-generic
@mpnolan 3.16 is considered an old kernel now. Test with the latest git
and, if you can still reproduce the bug, follow the instructions on
http://permalink.gmane.org/gmane.comp.video.dri.devel/112025 and report
the bug upstream including the dmesg with drm.debug=0xe boot parameter.
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** No longer affects: linux (Ubuntu Utopic)
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
To manage
Did anyone find a fix for this on ValleyView? As I understand it the
fixes posted to date are for Haswell/IvyBridge only.
I am seeing the issue on a 3.16.0-36.48 kernel which I confirmed has the
following code block in it:
} else if (IS_VALLEYVIEW(dev)) {
ring = _priv->ring[BCS];
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu Utopic)
Status: New = Confirmed
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Title:
** Also affects: linux (Ubuntu Utopic)
Importance: Undecided
Status: New
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Title:
kernel messages intel_crtc_wait_for_pending_flips
Just wanted to update that since I upgraded 14.10 to kernel 3.19 from
PPA a couple months ago, the issue never occurred again.
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Title:
kernel
** No longer affects: hwe-next
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
To manage notifications
Should there be an else if (IS_SANDYBRIDGE (dev)... ) or something like that in
the patch mentioned at comment #86 ?
At least, I'm also seeing this on sandy bridge
System:Host: lars-Latitude-E6420 Kernel: 3.16.0-34-generic x86_64 (64 bit)
Desktop: Unity 7.3.1
Distro: Ubuntu
Øyvind, zob, everyone,
This bug has more than one cause. If you still see this in 3.16.0-33 or
later and can reproduce it, then test the 4.0.0 kernel, and if it is
fixed for you in 4.0.0 (and you can be bothered), you can do a bisect
and figure out which patch fixed it.. but if it is not fixed in
I experience this at least once per day on a Ubuntu 14.04-installation
with LTS hardware enablement upgrade to kernel 3.16 (and newer Xorg
components). Typically, full screen video playback will suddenly freeze
(audio continues to play). At that point I must switch to VT 1, which
takes about a
I have just experienced this issue today.
Dell Latitude 6330
CPU: i3-3110M
GPU: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
Ubuntu 14.04.2 with intel linux graphics driver 1.0.7
syslog:
Apr 12 22:37:34 kernel: [37436.202310] CPU: 0 PID: 6036 Comm: Xorg Tainted: G
** Changed in: linux (Debian)
Status: New = Confirmed
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
I just had the same on Lenovo T430 / 14.04.2
Linux ubutp 3.16.0-33-generic #44~14.04.1-Ubuntu SMP Fri Mar 13 10:33:29
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Apr 5 09:40:47 ubutp kernel: [ 5286.229834] [ cut here
]
Apr 5 09:40:47 ubutp kernel: [ 5286.229893] WARNING:
@Chris Oh, ok. Didn't realized that comment.
I followed their instructions and got some logs. I'll check if I can
contact the guys from the DRM development.
** Attachment added: kern.log with drm.debug=0xe and warning on
intel_crtc_wait_for_pending_flips
So much for that guess. Recommend you report the bug upstream and try
reproducing it in a later kernel (for instructions see
http://askubuntu.com/questions/119080/how-to-update-kernel-to-the-
latest-mainline-version-without-any-distro-upgrade and you can get the
latest drm-intel-nightly packages
Your system is Valleyview. Just a hunch, but in the patch try replacing:
+ } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) {
with
+ } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev) || IS_VALLEYVIEW(dev))
{
Will ask upstream about it.
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@meira Sorry, somehow I had missed Dirk's comment. According to that,
3.16.0-33 should be fixed. In which case, you can try the latest
mainstream kernel. The rest of the comment #71 might apply:
If you can still reproduce it after that, then note from dri-devel list:
If you can reproduce this
@meira comment #71 This bug should be fixed on Haswell with linux-3.19
or later, or Ivy Bridge with linux-3.17 or later
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Title:
kernel messages
I updated my system to 3.16.0-33-generic #44 and the problem still
happens.
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate
The patch from #57 is implemented in today's kernel update for Utopic
(3.16.0-33-generic #44-Ubuntu).
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Title:
kernel messages
So is it something that can be backported to the 14.04.2 hardware
enhencement release?
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Title:
kernel messages intel_crtc_wait_for_pending_flips
** Bug watch added: Debian Bug tracker #780686
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780686
** Changed in: linux (Debian)
Status: New = Unknown
** Changed in: linux (Debian)
Remote watch: Debian Bug tracker #759786 = Debian Bug tracker #780686
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** Changed in: linux (Debian)
Status: Unknown = New
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
I'd love to check whether kernel 3.19 or 4.0 fixes the issue, but these
kernels consistently hide my mouse pointer, so I cannot test.
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Title:
FYI, 14.10 is not a development release, it is a stable non-LTS release
which therefore receives security updates and high impact bug fixes for
9 months. This kernel is also part of the hardware enablement stack for
LTS releases which may help to prioritize bugs of this nature. As to
whether this
14.10 is a development release of Ubuntu that is only supported for
another 4 or so months - imho it is unlikely to see any kernel backport
efforts in that time frame. There isn't really any point in being on an
old development release of Ubuntu, if you aren't going LTS then you
might as well
Any estimates on if/when this fix will be backported to 14.10? Is
installing 3.19 from the kernel ppa the recommended course of action
until then? Will the rest of the system work properly with it?
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Same issue occured on Ubuntu 14.04 LTS after upgrading kernel to 3.16,
and Xorg (LTS hardware enablement program). Screen was frozen, but I
was able to recover by switching to a VT and restarting X (switching
eventually worked after a long delay). Never any problems of this sort
with the
Launchpad has imported 9 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=87759.
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** Bug watch added: freedesktop.org Bugzilla #87759
https://bugs.freedesktop.org/show_bug.cgi?id=87759
** Also affects: xserver-xorg-video-intel via
https://bugs.freedesktop.org/show_bug.cgi?id=87759
Importance: Unknown
Status: Unknown
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** Bug watch added: bugzilla.opensuse.org/ #905934
http://bugzilla.opensuse.org/show_bug.cgi?id=905934
** Also affects: linux (openSUSE) via
http://bugzilla.opensuse.org/show_bug.cgi?id=905934
Importance: Unknown
Status: Unknown
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This bug should be fixed on Haswell with linux-3.19 or later, or Ivy Bridge
with linux-3.17 or later
(or an earlier version of linux that has incorporated the patch above ...else
if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev))...)
If you can still reproduce it after that, then note from dri-devel
** Bug watch added: Red Hat Bugzilla #1180810
https://bugzilla.redhat.com/show_bug.cgi?id=1180810
** Also affects: linux (Fedora) via
https://bugzilla.redhat.com/show_bug.cgi?id=1180810
Importance: Unknown
Status: Unknown
** Bug watch added: Debian Bug tracker #759786
** Changed in: linux (Debian)
Status: Unknown = New
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
bugs.freedesktop.org uses an invalid security certificate.
The certificate expired on 02/22/2015 02:56 PM. The current time is
02/22/2015 08:00 PM.
(Error code: sec_error_expired_certificate)
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@Chris: Thanks Ive installed 3.19:
$ uname -a
Linux g 3.19.0-031900-generic #201502091451 SMP Mon Feb 9 14:52:52 UTC 2015
x86_64 x86_64 x86_64 GNU/Linux
from
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-vivid/
I'll monitor report if I reproduce.
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Not sure if this will help, but I've experience this on the 3.16 kernel I've
put the syslog kernlog info on pastebin:
http://paste.ubuntu.com/10242534/
and attached.
** Attachment added: systemfreeze.txt
Given that this seems to be related to Intel, I should add that I am
using the video drivers via the intel graphics installer:
apt-cache policy intel-linux-graphics-installer
intel-linux-graphics-installer:
Installed: 1.0.7-0intel1
Candidate: 1.0.7-0intel1
Version table:
*** 1.0.7-0intel1
FYI, I filed duplicate bug #1413238 and it has all the info on my
hardware. I don't know what codename of the chipset I have is, but the
laptop is a Lenova x201s. System/Details says Graphics: Intel® Ironlake
Mobile and my traceback has ironlake_crtc_disable in it, so I'm
concerned that the patch
what about changing
+ } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) {
in the patch file (#57) to
+ } else if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev) || IS_IRONLAKE_M(dev))
{
It's a naive guess but maybe it works.
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I compiled the current kernel (3.16.0-30-generic) from utopic with the
commit mentioned in #55 more than a week ago. Never ran into the problem
again, so the commit seems to solve the problem at least for me.
I have attached a patch file which works for the 3.16.0-30 kernel. The easy way
to
** Tags added: patch
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
To manage notifications about this
Got the hangup again, this time while using 3.19-rc5
Feb 4 10:43:39 jkekkonen-XPS kernel: [225278.346217] [ cut here
]
Feb 4 10:43:39 jkekkonen-XPS kernel: [225278.346262] WARNING: CPU: 0 PID: 1822
at /home/apw/COD/linux/drivers/gpu/drm/i915/intel_display.c:3624 intel
** Tags removed: kernel-key
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to compiz
hang
To manage notifications about
From skimming commit logs for the i915 directory in the kernel, it looks
like https://git.kernel.org/cgit/linux/kernel/git/stable/linux-
stable.git/commit/?id=48bf5b2d00bfeb681f6500c626189c7cd2c964d2 might be
relevant. I haven't tested yet, though.
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@rockorequin thanks for the very clear answer! It appears that the
default governor in the newer Ubuntu kernels has become P-state now
then, as opposed to the older ACPI CPUfreq! Now I know that it's simply
changed, I'll be using the new P-state governors! :)
@jsalisbury just installed, I'll let
It sounds like this bug may be fixed in mainline 3.19-rc3. It would be
good to know if the commit that fixes this already made it's way into
the stable kernels. Can folks affected by the bug please test the
latest 3.18 upstream stable kernel. It can be downloaded from:
@jondee: those are the intel pstate governors. You should be able to
confirm this using the cpufreq-info command.
If you disable intel pstate and reboot you should get the option of
using the other governors (like ondemand) - see
http://askubuntu.com/questions/501840/ubuntu-14-04-used-too-much-
Is there a way to add the mainline kernel as a true PPA so that we get
updates automatically?
Would this also restore the CPU governors? The only problem I've found
when installing and using the custom kernels directly from the .deb
files (like from http://kernel.ubuntu.com/~kernel-
I'm on 3.19.0-031900rc3.201501060135 also for the past several days and
haven't experienced any lockups. So far, so good.
Is there a way to add the mainline kernel as a true PPA so that we get
updates automatically?
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@jsalisbury Okay I think we're getting somewhere with this! (With this
kernel: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/)
I haven't had this issue at all and my system has been very stable! XD
If you're still experiencing this I suggest using this to solve the
problem!
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Tested on v3.19-rc3-vivid and DKMS would not build the nvidia drivers
(see https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-
drivers-331-updates/+bug/1268257). The same thing happened with a manual
dkms update. During reboot, Ubuntu segfaulted and the system had to be
hard power cycled.
@jsalisbury am also testing for the past 7-8 hours now and so far has
been stable as well so thanks for the update! :)
I think it would be too early to declare this bug fixed yet though!
However, I recommend everyone gets this kernel (http://kernel.ubuntu.com
I've had this issue on 3 different machines, several times a week.
Kernel 3.18 seemed to reduce how often it happened, but it still
happened.
3.19 seems to have fixed the issue for me, I’ve been running it all day
since rc1 and it has not happened yet.
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The 3.19-rc3 kernel is now available. Can folks affected by this bug
test this kernel and see if the bug still exists? It can be downloaded
from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.19-rc3-vivid/
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I am also affected.
It seems to happen when I use the laptop screen together with a DP connected
external screen in a dualscreen configuration (ca once a day).
Find my log attached.
** Attachment added: syslog
This recently started happening to me also. My recent changes-
- I have a samsung 4k monitor attached via displayport but I just started using
my laptop screen at the same time (2 displays - was only using the 4k monitor
OR the laptop display previously).
- I installed a Dell-provided
it happens quite regularly now with kodi (xbmc) just idleing. But i
observed that meanwhile i do not get any of the above known message in
syslog anymore.
the situation has become worse as it doesn't show this errors within the
log anymore and also reliably freezes the pc if i let kodi idleing
a_user, thank you for your comment. So your problem and hardware may be
tracked, could you please file a new report with Ubuntu by executing the
following in a terminal while booted into the default Ubuntu kernel (not a
mainline one) via:
ubuntu-bug linux
For more on this, please read the
Hello, I also experienced it a few times for last few days. Interesting facts:
- I am running archlinux (so it's not ubuntu specific)
- It is running on a Zotac hardware (working as a HTPC)
- it was running XBMC playing a movie when freezed
- it was running kernel 3.17.4
[41772.634908]
same here
Linux sugar 3.16.0-24-generic #32-Ubuntu SMP Tue Oct 28 13:07:32 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
Dec 9 23:37:03 sugar kernel: [ 2059.554998] [ cut here
Linux 3.16.0-25-generic #33-Ubuntu SMP Tue Nov 4 12:06:54 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
[ 6125.090103] WARNING: CPU: 2 PID: 1499 at
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3324
intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915]()
[ 6125.090105] Modules linked
@Paul Gear: you could try 3.18-rc6 from http://kernel.ubuntu.com
/~kernel-ppa/mainline/v3.18-rc6-vivid/, it works fine with utopic.
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Title:
I've experienced this also on the latest standard kernels on utopic.
The kernel that jondee mentioned above is no longer available, and there
seems little activity on the upstream bug. Is there a preferred kernel
which utopic users should be testing?
The oops I experienced seems to be similar to
Paul Gear, it would be most helpful if you created a new bug report via a
terminal:
ubuntu-bug linux
As well, it would also be helpful to test mainline kernel 3.18-rc6, as
well as advise if this is a regression.
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Thanks Christopher. It looks like only 3.18-rc2 is available for utopic
at this stage: http://kernel.ubuntu.com/~kernel-ppa/mainline/ Is that
worth trying, or should I wait for a newer one to become available?
With respect to regression, this is definitely worse on utopic than it
was on trusty:
Paul Gear, let us have a further discussion on the new bug report ran
against your hardware.
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Title:
kernel messages
Just had it occur for the second time, two weeks after the first time.
Unlike the first time, this time the mouse cursor did move (while
everything else was frozen), but the system did not recover, and I had
to ssh into the machine (which was possible, confirming that it's just
the display that's
@jondee, right. No need to create a new upstream bug. 64431 is already
open.
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Title:
kernel messages intel_crtc_wait_for_pending_flips
Added System76 as I started getting this on my Galago UltraPro after
upgrading to 14.10.
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Title:
kernel messages
** Also affects: system76
Importance: Undecided
Status: New
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Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to
the problem is also happening from time to time with every kernel used
till now in ubuntu 14.10 (since early betas and also with the latest
one).
Last time i got this problem though i had no entries in syslog as i
usually had it on the previous times.
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Can confirm with a_user that sometimes this problem occurs without
leaving syslog entries :/
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Title:
kernel messages
This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.
Please follow the instructions on
@jsalisbury https://bugzilla.kernel.org/show_bug.cgi?id=64431 is this
not already done here? Or does a new one need to be created for the
kernel 3.17 I tested?!?
Also note for anyone else affected, so far no occurrence of this bug in
Kernel 3.18.0-994-generic #201411010205 from
That's kernel 3.18.0-994-generic #201411010205 from
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-
nightly/2014-11-01-vivid/ that I'm currently testing! :)
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I spoke to soon, I did experience this bug under this kernel
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-next/current/ -
though I couldn’t find anything in the system log, just experienced the
lock up in the exact same way . Now gone back to this kernel
I just experienced the bug in 3.18-rc3.
** Tags added: bug-exists-upstream
** Tags added: kernel-bug-exists-upstream
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https://bugs.launchpad.net/bugs/1384342
Title:
kernel messages
Re 3.18-rc3, I take it back - I was looking at an old log entry. I did
experience a complete system freeze that required a hard reset, but I
don't think it managed to record the error that caused it in the syslog.
** Tags removed: kernel-bug-exists-upstream
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Using a newer kernel does seem to fix the problem: I’ve been using this
kernel (http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-
next/current/) for a few days now without this issue happening once!
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Same issue for me here on 2 different Dell OptiPlex 9020 (Haswell) and a
Haswell Intel NUC. All recently upgraded to 14.10
It appears to be very intermittent, about once a week on each different
machine. Only seems to occur when left idle for some period of time, never when
I’m actually using
I'm running on an Intel Haswell i5-4670K and can confirm this happens
intermittently without VT switching but it can often be be made to
happen much more often by doing VT switches.
I'm running the lasest Utopic 3.16.0-24-generic #32-Ubuntu kernel on
x86_64 and I've got a trace from syslog of
I'm also unable to find any segfaults in the Xorg logs which is strange
:/ Also as a sidenote sometimes running 'killall -9 compiz' can help
recovery back to a working VT and stop the lock-up (if there is one -
I'm running multiple desktop sessions), if the compiz on another VT has
crashed!
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FYI, the 3.17.2 kernel still has the bug. I haven't tried 3.18-rcX yet.
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https://bugs.launchpad.net/bugs/1384342
Title:
kernel messages intel_crtc_wait_for_pending_flips correlate to
I just had my system freeze, all 3 monitors were frozen for a few
minutes, no mouse cursor or anything else moving, but sound still
worked, then the monitors went black for a couple more minutes (maybe
because I pressed ctrl-alt-f1 at some point, dunno), and after a while
longer it all came back
Same issue here with a Dell Latitude
[157658.178997] [ cut here ]
[157658.179095] WARNING: CPU: 2 PID: 1869 at
/build/buildd/linux-3.16.0/drivers/gpu/drm/i915/intel_display.c:3324
intel_crtc_wait_for_pending_flips+0x16c/0x180 [i915]()
[157658.179100] Modules linked in:
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