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Old 3 Weeks Ago
livestradamus livestradamus is offline
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Default error: [drm:pid60567:intel_uncore_check_errors] *ERROR* Unclaimed register before int

On fresh install now of 6.2 on HP ProBook 450G1 laptop (i7 4th gen proc. w/ 16GB RAM)
Its been a while since I've last used and installed OpenBSD on this laptop. I recall having this same error below previously in 6.0 for a while and cant rememberl what I did to fix it or perhaps it was just hidden.
It scrolls 100s of times very fast at bootup.
Any help is appreciated ?

error: [drmid60567:intel_uncore_check_errors] *ERROR* Unclaimed register before interrupt
Attached Files
File Type: txt dmesg.txt (65.0 KB, 18 views)

Last edited by livestradamus; 3 Weeks Ago at 06:27 PM. Reason: fresh 6.2 install not 6.1
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Old 3 Weeks Ago
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Maybe try a clean install with OpenBSD 6.2? OpenBSD 6.2 has a lot of improvements over 6.1.
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Old 3 Weeks Ago
livestradamus livestradamus is offline
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I'm sorry, I meant its a fresh install of 6.2
Been a long day after work.
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Old 3 Weeks Ago
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I've seen it reported to misc@ several times, and can't find a report to bugs@. Googling shows the error appears to occur with i915 video, Haswell and Ivy Bridge series CPUs, and has been reported with Linux and NetBSD, too.

Your dmesg buffer wrapped -- your attachment contains almost nothing but the error message. Check the contents of /var/run/dmesg.boot, as it may have information that has been lost from the buffer.
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Old 3 Weeks Ago
livestradamus livestradamus is offline
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Unfortunately /var/run/dmesg.boot gives only a little bit more.
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File Type: txt dmesg.boot.txt (64.0 KB, 6 views)
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Old 3 Weeks Ago
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It gave a LOT more. There's a complete dmesg starting at line 606.

It shows a Haswell Processor, which was expected:
Code:
cpu0: Intel(R) Core(TM) i7-4702MQ CPU @ 2.20GHz, 2195.20 MHz
And it shows 4600 series video:
Code:
inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 4600" rev 0x06
The full dmesg may help with a problem report. But I don't know if there is a resolution, as I noted above.

Last edited by jggimi; 3 Weeks Ago at 07:46 PM. Reason: typo
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Old 3 Weeks Ago
livestradamus livestradamus is offline
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I'll continue looking. Thanks for taking the time to read, research and respond.
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Old 2 Weeks Ago
livestradamus livestradamus is offline
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I'm guessing its related but I can't play videos

Code:
mpv Sample.mp4                                    
Playing: Sample_Video.mp4
 (+) Video --vid=1 (*) (h264)
 (+) Audio --aid=1 --alang=und (*) (aac)
libGL error: failed to open drm device: Permission denied
libGL error: failed to load driver: i965
libEGL warning: DRI2: could not open /dev/drm0 (Permission denied)
AO: [sdl] 44100Hz stereo 2ch s32
VO: [opengl] 1280x720 yuv420p
[osd/libass] PlayResX undefined, setting to 960
AV: 00:00:01 / 00:07:33 (0%) A-V:  0.000 Dropped: 44

Audio/Video desynchronisation detected! Possible reasons include too slow
hardware, temporary CPU spikes, broken drivers, and broken files. Audio
position will not match to the video (see A-V status field).

AV: 00:00:05 / 00:07:33 (1%) A-V:  0.000 Dropped: 123

Exiting... (Quit)
pthread_mutex_destroy on mutex with waiters!

Last edited by livestradamus; 2 Weeks Ago at 07:45 AM.
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Old 2 Weeks Ago
e1-531g e1-531g is offline
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I have Sandy Bridge CPU and also some drm errors in dmesg, but at least they seems to not damage anything.
Code:
error: [drm:pid93183:intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe A
error: [drm:pid93183:intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe A
@livestradamus
Code:
libEGL warning: DRI2: could not open /dev/drm0 (Permission denied)
It says this file coudn't be opened.
I have my user in video group. I mean the user that starts mpv (not root). You should have too. You can check by:
Code:
$ userinfo $(whoami) | grep groups
and I am changing ownership and permissions on this file by script before X.Org starts, just in case.
Code:
/usr/local/bin/sudo /usr/sbin/chown root:video /dev/drm0
/usr/local/bin/sudo /bin/chmod 660 /dev/drm0
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Old 2 Weeks Ago
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You should not need to change ownership of a drm device; that should normally be done by X.org at startup, via startx(1), or a display manager such as xenodm(1).

The output in /var/log/Xorg.0.log may provide additional information about the problem.
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Old 2 Weeks Ago
livestradamus livestradamus is offline
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I get these too
Code:
error: [drm:pid93183:intel_pipe_update_start] *ERROR* Potential atomic update failure on pipe A
Adding my user to VIDEO and STAFF has helped w/ the video playback I was having and some of the other issues with Xfce.
Thanks
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e1-531g e1-531g is offline
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Quote:
Originally Posted by jggimi View Post
You should not need to change ownership of a drm device; that should normally be done by X.org at startup, via startx(1), or a display manager such as xenodm(1).
I use xinit directly in my script to launch openbox-session. Before xinit I just declare some environment variables and set permissions. It works well.
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