** Tags added: needs-upstream-testing
** Summary changed:
- [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times every
frame with intel graphics
+ 8086:2562 [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
every frame with intel graphics
** Attachment removed:
Are you starting your Xorg server at that point in time? I'm wondering
if X requests vsync which starts causing this error only after vsync is
enabled?
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** Attachment added: A sample syslog just before error
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/765813/+attachment/3218870/+files/syslog-head_250K
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The bug is still in 12.04 in Xubuntu. Kernel version 3.2.0-25. There is a
difference compared to previously on 11.04, the bug does not start at boot, but
later. Trigger unknown.
kernel: [ 6232.178457] [drm:intel_prepare_page_flip] *ERROR* Prepared flip
multiple times
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This has happened to me today in Natty, after an upgrade.
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https://bugs.launchpad.net/bugs/765813
Title:
[drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
every
It appears that the fix I applied did not work. I am upgrading system to
12.04 now, hopefully the patch is in there and will resolve issue. Will
report back.
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Launchpad has imported 18 comments from the remote bug at
https://bugs.freedesktop.org/show_bug.cgi?id=30654.
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will be sent to the remote bug automatically. Read more about
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** Package changed: xorg (Arch Linux) = xorg-server
** Changed in: xorg-server
Importance: Undecided = Unknown
** Changed in: xorg-server
Status: New = Unknown
** Changed in: xorg-server
Remote watch: None = freedesktop.org Bugzilla #30654
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** Project changed: xorg-server = dri
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Title:
[drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
every frame with intel
This is happening for me on Xubuntu 11.10 on a HP Pavillion dv1000
laptop as well. I can post more info if needed but would need some
guidance on what to post. I am going to try the workaround now.
This is a very serious bug.
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Robert Blenkinsopp's suggestion in #10, #8 and #5 appear to have
suppressed the error from entering the syslog and kernlog files for me.
Also, this is a related issue here -
https://bugs.launchpad.net/ubuntu/+source/ubuntu-meta/+bug/115774
(syslog.0 and kern.log.0 grow huge)
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erratum: the log fill up with same error happens too at lower rate when
opening/closing/reducing any window, just for the time the display is
changing.
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(no huge display changing apps used here, but gnome-system-log viewer
for which the saturation maybe an cause-effect loop)
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Title:
uname -a
Linux Amilo-M7405 3.0.0-14-generic #23-Ubuntu SMP Mon Nov 21 20:34:47 UTC 2011
i686 i686 i386 GNU/Linux
lspci
00:00.0 Host bridge: Intel Corporation 82852/82855 GM/GME/PM/GMV Processor to
I/O Controller (rev 02)
00:00.1 System peripheral: Intel Corporation 82852/82855 GM/GME/PM/GMV
Also I found this in the logs:
[85994.396838] render error detected, EIR: 0x0010
[85994.396851] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x0010,
masking
[85994.396894] render error detected, EIR: 0x0010
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Confirmed in Xubuntu 11.10 i386.
My syslog has been filled with 6316536 lines of:
Nov 19 16:29:31 pioruns-LIFEBOOK-S7010 kernel: [72961.018672]
[drm:intel_prepare_page_flip] *ERROR* Prepared flip
multiple times
syslog.1 size is 777MB, this error spawning is just wasting my computer
resources.
G. Christ, the file can be placed in your home directory (If it is you
starting the X server) and should be named ~/.drirc.
Alternatively you can place it in /etc to use as a system wide setting,
if you do that it should be /etc/drirc (no dot before drirc)
Hope that helps.
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Thank you Robert Blenkinsopp!
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Title:
[drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
every frame with intel graphics
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This bug is a big a nuisance. I don't know why, but sometimes I get that error,
and it fills my 10 GB root partition (where the /var/ directory is), after that
all programs start to crash.
If I delete those files, /var/log/kern.log and /var/log/syslog the df
continues to report 0 free
This Workaround works for me:
Add the file 10-intel.conf to /usr/share/X11/xorg.conf.d. (disables
the feature, and xorg will start proper.)
Source: https://bugs.archlinux.org/task/21927
** Attachment added: /usr/share/X11/xorg.conf.d/10-intel.conf (workaround)
** Changed in: linux (Ubuntu)
Status: New = Confirmed
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Title:
[drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
every
The vblank_mode in my opinion remains a better work around as it still
allows hardware acceleration while suppressing the error. The
alternative 'Option DRI false', at least in my case disables
hardware acceleration.
** Attachment added: ~/.drirc workaround
https://bugs.freedesktop.org/show_bug.cgi?id=30654
contain some suggestion
** Bug watch added: freedesktop.org Bugzilla #30654
http://bugs.freedesktop.org/show_bug.cgi?id=30654
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Just to confirm, creating a drirc file with vblank_mode=0 as per the
freedesktop thread does indeed suppress the error message.
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Title:
Should I file a bug for this elsewhere as well then? This appears to
severely hurts video performance (can't play back video smoothly where
as it could perfectly on older ubuntu builds).
This appears to be somewhat independent of the logging, and is probably
an symptom of the underlying problem.
As stated above, the kernel i915 driver is the most likely place for
root cause analysis. Package 'xserver-xorg-video-intel' might be a
likely candidate for further investigation. Looking at the changelog
(https://launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+changelog) I see a patch
** Package changed: xorg (Ubuntu) = xserver-xorg-video-intel (Ubuntu)
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Title:
[drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
The error message is printed by the kernel's drm module, so quelling
that error needs to be done on the kernel side.
Quelling the error is probably an easy fix. Why it is generating the
error in the first place might be a more intricate problem. But this
bug report can focus on quelling the
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Title:
[drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple times
every frame with intel graphics
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** Also affects: xorg (Arch Linux)
Importance: Undecided
Status: New
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Title:
[drm:intel_prepare_page_flip] *ERROR* Prepared flip
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