** Changed in: xserver-xorg-video-intel
Importance: Unknown = High
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Title:
[i945] spontaneous black screen (major pipe-A underrun)
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** Changed in: xserver-xorg-video-intel
Importance: High = Unknown
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Title:
[i945] spontaneous black screen (major pipe-A underrun)
--
With KMS I never had this problem. Upstream said it worked by sheer
accident, but now then are feeding the real patches to upstream. I don't
think we need to track this any more.
** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
--
[i945] spontaneous black screen (major pipe-A
Hi Martin, I notice the upstream bug has been closed as fixed, although
your last comment on the upstream bug was a bit uncertain whether it was
resolved. Could you report if the bug is still an issue, and what
patch(es) if any need pulled in?
From the patches being discussed upstream, it
** Changed in: xserver-xorg-video-intel
Status: Confirmed = Fix Released
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** Changed in: xserver-xorg-video-intel
Status: Fix Released = Confirmed
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** Changed in: xserver-xorg-video-intel
Status: Confirmed = Fix Released
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** Changed in: xserver-xorg-video-intel
Status: Fix Released = Confirmed
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** Changed in: xserver-xorg-video-intel
Status: In Progress = Fix Released
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For the record, this still happens with the latest -intel/UXA/KMS
versions.
However, it does _not_ happen any more on my system since I plugged in a
second GB of RAM. Now it has two RAM pipelines available which
apparently makes memory operations fast enough to avoid the underruns. I
discussed
Hi, I seem to be getting this bug on my Acer Asipre One. When using an
external VGA monitor with the internal LVDS display disabled it always
happens within about 15 minutes. If I run dual head with both displays
enabled it does not seem to happen, although I have only run for about 4
hours that
I happen to have a MSI Wind U120 and I don't observe this behaviour in the
internal LCD. On my EEE BOX I am bothered with the flickers and black screen.
May be it is just a problem when using the external monitor ??
I will try mi MSI Wind with an external monitor and post back.
--
[i945]
** Tags added: black-screen
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Bryce Harrington [2009-04-27 23:25 -]:
That said, given that the patch didn't fix this issue and is not present
in the upstream tree, it seems to have higher than average risk; I'd
like to see it eventually replaced with a fully sanitized patch at some
point.
Me too, and in early karmic
This was the patch we included in the jaunty release for this bug, but
looking at the upstream bug it seems to be outdated (and allegedly may
be causing some X freeze issues.)
** Attachment added: 109_i830-fifo-watermark-conservative.patch
With further testing I've cleared my suspicions that this patch causes
the freeze bug I'm seeing.
That said, given that the patch didn't fix this issue and is not present
in the upstream tree, it seems to have higher than average risk; I'd
like to see it eventually replaced with a fully sanitized
** Changed in: xserver-xorg-video-intel
Status: Confirmed = In Progress
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hi guys, just want to confirm the bug on my msi wind u100. random short
flickering 2 or 3 times a day and then a blank screen. i work with an
external 19 tft connected by a 15pin dsub vga.
--
[i945] spontaneous black screen (major pipe-A underrun)
https://bugs.launchpad.net/bugs/311895
You
David, thanks for testing. It is very important to spot such
regressions, thus I'd like to forward this upstream. Can you please
install this once again, including the corresponding -intel-dbg package,
reproduce the constant flicker situation, and do
sudo intel_reg_dumper /tmp/intel-regs.txt
Upstream proposed a new patch which is more robust and dynamic. I have
tested it since yesterday with great success. This patch is currently
undergoing review upstream.
I have uploaded the new driver to my PPA
(https://launchpad.net/~pitti/+archive), testing appreciated.
** Changed in:
I updated the package in my PPA to include the fixes from 0ubuntu4.
Please test and give some feedback here. It works wonderfully for me,
but I'd like to become a bit more confident about it.
If this goes well, I'd like to upload this by the end of the week.
--
[i945] spontaneous black screen
I tested the proposed driver (xserver-xorg-video-
intel_2.6.3-0ubuntu4pitti1_i386.deb) on a i855 chipset with DRI=false,
and didn't notice any degradation. I wasn't impacted by this bug in
first place, though. In a side note, I noticed some visual artifacts
(patches of background popping up in
good test result from Adilson Oliveira as well.
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Argh, and just now I got the flickering/blackout again. This is haunting
me.. :-(
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[i945] spontaneous black screen (major pipe-A underrun)
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Continuing discussion/investigation upstream.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: In Progress = Triaged
** Changed in: xserver-xorg-video-intel (Ubuntu)
Assignee: Martin Pitt (pitti) = (unassigned)
--
[i945] spontaneous black screen (major pipe-A underrun)
Putting this patch into my T60 laptop has almost made it unusable, the
screen flickers constantly, anytime I do anything that updates the
screen in any way. I'm going to try and revert to the earlier drivers.
dav...@dm-lappy:~$ lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS,
The last couple of days I have experienced more of these ERROR* trying
to get vblank count for disabled pipe 0. Allways ending up in a dead
screen.
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[i945] spontaneous black screen (major pipe-A underrun)
https://bugs.launchpad.net/bugs/311895
You received this bug notification because you are
I am having the same issue I believe, but I am not sure. It is occuring
on a Asus EEE Box which is the desktop version of the EEE line.
I have a thread here:
http://ubuntuforums.org/showthread.php?t=1084060highlight=intel+underrun+pipe+A!
Attached is the Xorg log.
** Attachment added:
dmesg says this after blackout
[ 737.891632] [drm:i915_get_vblank_counter] *ERROR* trying to get vblank count
for disabled pipe 0
[ 744.702207] [drm:i915_get_vblank_counter] *ERROR* trying to get vblank count
for disabled pipe 0
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[i945] spontaneous black screen (major pipe-A underrun)
Indeed, starting from yesterday or so I now immediately get screen
flicker, worse than before. Odd, I was running Jaunty with this patch
for over a week without a single glitch; apparently something else
changed in the system now :(
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status:
Original sponsoring was done, throwing the ball back to upstream (I
replied there as well and will continue to follow up).
** Changed in: xserver-xorg-video-intel (Ubuntu)
Assignee: Martin Pitt (pitti) = (unassigned)
--
[i945] spontaneous black screen (major pipe-A underrun)
Martin,
I have seen flicker as well from the start of using your package. This
is an Eee Box and there was no suspend or hibernation involved. The
flicker used to happen pretty much like before the patch, at random
times. But haven't seen a blank screen though.
--
[i945] spontaneous black
I don't think it is fixed. I got a black screen today with a default
configuration. No framebuffercompression or anything. The logs did not
say anything though. No errors or anything.
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[i945] spontaneous black screen (major pipe-A underrun)
https://bugs.launchpad.net/bugs/311895
You received
I'll apply the upstream patch for the time being. It has been
successfully tested by several people on both intrepid and jaunty.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Triaged = Fix Committed
--
[i945] spontaneous black screen (major pipe-A underrun)
Raghu: see upstream bug report; the patch is not perfect yet, and
isolated short flickering can still happen; but with this patch it
should be very seldom only, and hopefully the black screen issue will
be fixed completely. There might still be a similar problem after
suspend/hibernate, though.
This bug was fixed in the package xserver-xorg-video-intel -
2:2.6.1-1ubuntu3
---
xserver-xorg-video-intel (2:2.6.1-1ubuntu3) jaunty; urgency=low
* Add 02_i830-fifo-watermark-conservative.patch: Avoid pipe underruns on
high graphics activity, which caused flicker and sometimes
Update with 0.4~test1 : I am seeing screen flickering but haven't seen
blank screen yet (one day).
--
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I ported the patch proposed upstream to the intrepid version (2.4.1).
To make testing easier for everybody, I also uploaded it to my personal
package archive, so that you can grab the ready-built .deb from there,
or just add the new apt source:
https://launchpad.net/~pitti/+archive/ppa
Be
Oh, just to be clear: I did test the patch quite extensively in Jaunty
(where it works really well for me on my GMA945), just not in Intrepid.
Also, when you test this, please remove all FramebufferCompression,
Ignore and other options from xorg.conf which you added to workaround
this bug.
**
Thanks Martin, for making real easy to install!
I am currently running xserver-xorg-video-intel-2.4.1-1ubuntu10.4~test1 from
your repository. so far so good. Using the original xorg.conf that does not
have any options set for the device.
--
[i945] spontaneous black screen (major pipe-A
I had to add the FramebufferCompression off to the monitor section
(see below). While the issue sometimes only occurred when watching two
videos in parallel and making some overly (KDE kicker tooltip) appear
over them, it doesn't occur anymore even when watching 4 videos +
overlay. IOW, issue
Another happy customer with the FramebufferCompression off. No
flicker and no need to reboot for last two weeks.
I am willing to try any proposed patches.
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[i945] spontaneous black screen (major pipe-A underrun)
https://bugs.launchpad.net/bugs/311895
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I can add another data point for the FramebufferCompression Off fix.
I have a Mac Mini. 8.10 is the first release to come even close to
being able to drive a display from it. I've been experiencing screen
flickering and black screens as described in the initial report as well.
mplayer triggers
** Changed in: xserver-xorg-video-intel
Bugwatch: freedesktop.org Bugzilla #18651 = freedesktop.org Bugzilla
#19304
Status: Confirmed = Unknown
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** Changed in: xserver-xorg-video-intel
Status: Unknown = Confirmed
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** Changed in: xserver-xorg-video-intel
Bugwatch: freedesktop.org Bugzilla #19304 = freedesktop.org Bugzilla
#18651
Status: Invalid = Unknown
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = High
Status: Confirmed = Triaged
--
[i945] spontaneous
Thanks for the info. I am trying out the config now. will see how it
works for multiple days. I was using VESA driver as the work around for
this issue.
Bryce, thanks for increasing priority. This affects a lot of users.
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[i945] spontaneous black screen (major pipe-A underrun)
** Changed in: xserver-xorg-video-intel
Status: Unknown = Confirmed
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Looks like Assigned To field should change from 'freedesktop-bugs
#18651' to 'freedesktop-bugs #19304' since 19304 is not a duplicate of
18651 anymore.
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https://bugs.launchpad.net/bugs/311895
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Happened to me reliably with my Acer Aspire One 110L, when watching
movies with mplayer (usually after 5 - 15 minutes). In my case switching
off framebuffer compression worked (See also
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/193419):
Section Device
** Description changed:
Binary package hint: xserver-xorg-video-intel
I am using a Dell Latitude D430 with an Intel GM945.
When I use my external 19 TFT (through DVI, 1280x1024), I occasionally
get a black screen. This is not triggered by anything obvious, it just
happens
Martin,
Can we have access to the package you built? I will try it out on my Eee
Box.
This is biggest problem I see with my ubuntu currently. I am used to not having
to reboot for months.
Thanks.
--
[i945] spontaneous black screen (major pipe-A underrun)
https://bugs.launchpad.net/bugs/311895
Martin,
I just saw your comment over at
https://bugs.freedesktop.org/show_bug.cgi?id=18651 that said the patch
does not fix the problem.
Are there less optimal work around for this? Will I be able to use a
generic driver that could be more stable? I don't need 3D performance.
thanks.
Raghu.
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** Changed in: xserver-xorg-video-intel
Status: Confirmed = Invalid
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I installed fresh Ubuntu 8.10 on EEE Box 202 (Atom, 945GME) couple of days back
and seeing the exact 'blank screen' problem with underrun on pipe A! errors.
Xorg log looks pretty much the same.
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[i945] spontaneous black screen (major pipe-A underrun)
https://bugs.launchpad.net/bugs/311895
I have the same problem on an Apple Mac Mini (Intel i945), screen
flickers from time to time and even freezes occasionally. I can switch
to console with CTRL-ALT-F1 but to get X-Windows back alive system must
be rebooted.
Xlog says:
...
(EE) intel(0): underrun on pipe A!
(EE) intel(0): underrun
I'm building an -intel package with the patch in
https://bugs.freedesktop.org/show_bug.cgi?id=18651 applied, and will let
it run for two days. (The flicker underruns only seem to happen after
some hours, and the complete blackout only happens every other day).
--
[i945] spontaneous black screen
Hm, if only I could actually build it..
../doltcompile gcc -DHAVE_CONFIG_H -I. -I../../src -I.. -I/usr/include/xorg
-I/usr/include/pixman-1-I/usr/include/drm -Wall -Wpointer-arith
-Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations
-Wnested-externs
I worked around this by explicitly adding
typedef struct drm_i915_flip {
int pipes;
} drm_i915_flip_t;
(Copied from http://cgit.freedesktop.org/xorg/driver/xf86-video-
intel/commit/?id=ba55ff15df974197bebd871e28bb96d817ae41c7)
--
[i945] spontaneous black screen (major pipe-A underrun)
I found out that starting kvm and doing some other window juggling
triggers the quick underrun (i. e. the flickering, not the total
blackout) pretty reliably. With the upstream patch applied, I still get
underruns, though. I'll let it run for a couple of days to see whether I
get any black screen
It's happenens for me 4 times a day.
** Attachment added: log of unerrun on pipe A
http://launchpadlibrarian.net/20981869/Xorg.0.log.old
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
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** Tags added: 945gm intel intrepid jaunty xorg
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I have what appears the same problem with Hardy on my Dell Inspiron 1525 with
an Intel GM965 using the internal LCD screen (1280x800).
My hardy installation is up-to-date and my xserver-xorg-video-intel version is
2:2.2.1-1ubuntu13.8.
I have apport installed running, but there seem to be no
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/20774552/Dependencies.txt
** Attachment added: LsMod.txt
http://launchpadlibrarian.net/20774553/LsMod.txt
** Attachment added: LsPci.txt
http://launchpadlibrarian.net/20774554/LsPci.txt
** Attachment added:
This is the register dump when it works.
The pipe-A underruns can be seen in XorgLogOld.txt.
dmesg output when this happens:
Dec 28 10:25:07 tick kernel: [ 5559.025081] mtrr: no MTRR for d000,1000
found
Dec 28 10:25:08 tick kernel: [ 5560.478087] apm: BIOS not found.
** Attachment
This is the register dump after it goes black.
** Attachment added: intel_regs.black.txt
http://launchpadlibrarian.net/20774578/intel_regs.black.txt
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[i945] spontaneous black screen (major pipe-A underrun)
https://bugs.launchpad.net/bugs/311895
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** Bug watch added: freedesktop.org Bugzilla #19304
https://bugs.freedesktop.org/show_bug.cgi?id=19304
** Also affects: xserver-xorg-video-intel via
https://bugs.freedesktop.org/show_bug.cgi?id=19304
Importance: Unknown
Status: Unknown
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[i945] spontaneous black screen (major
** Changed in: xserver-xorg-video-intel
Status: Unknown = Confirmed
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