*** This bug is a duplicate of bug 1698270 ***
https://bugs.launchpad.net/bugs/1698270
Charlie, yes I would recommend using mpv instead of totem. mpv will
perform better and is the only other video player that will take
advantage of Intel hardware acceleration properly [2]. I do _not_
In response to my previous comment, switching to SMPlayer improves the
symptom, but does not seem to resolve it.
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https://bugs.launchpad.net/bugs/1774915
Title:
BTW, the following shows up in the terminal output for mpv under Wayland
(I don't recall seeing this under Xorg)
[vo/opengl] retrieving framebuffer depth: OpenGL error
INVALID_OPERATION.
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If I am reading this commentary, and that in
https://bugs.launchpad.net/ubuntu/+source/clutter-1.0/+bug/1698270 it's
looking like uninstalling totem and changing to another player might be
the best answer, am I correct?
Thanks!
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Sorry for the long delay in responding - had to wait for some other
things to finish so I could switch from Xorg to Wayland. The same types
of pauses/lags/freezes happen to me under Wayland using mpv as were
happening under Xorg. They may be slightly less frequent (subjective
judgment, no actual
Before we merge this bug into bug 1698270 I would like to hear Tracy's
response to comment #25.
Then I expect we will need/want to get more of the above lists of gnome-
shell performance issues fixed before we can confidently say this issue
exists purely within video playback.
P.S. If the
Sergei, "performance" is a general category of problems that includes dropped
frames. For example, in gnome-shell I have separated those issues:
https://trello.com/c/Q6JYXPPs
from the ones that incur measurably high hardware usage:
https://trello.com/c/pe5mRmx7
A low frame rate is still a
Also when I was on 17.10 beta, there was an update that broke totem
(black screen instead of video). Problem appeared after the issue was
fixed.
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I've checked iowait using iotop during lags and revealed no spikes or something
like that. So it's not a performance problem at all. I believe gstreamer is
just dropping frames due to some bugs.
I had 17.10 installed and had no issue that time.
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One more thing:
Wayland sessions might perform better, so please try mpv in a Wayland
session. Unfortunately Totem probably won't work there (bug 1770725).
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The pauses are very brief using mpv - using totem I still get pauses in
excess of 5 seconds at random points during playback. However I am
willing to accept that this would constitute a duplicate of 1698270, and
will wait for any updates there.
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Thanks.
If the pauses are now very brief with your BIOS in "fixed" mode, and if
mpv is performing slightly better than totem, then I suggest this is now
a duplicate of bug 1698270. Bug 1698270 is not fully resolved and
requires more investigation.
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Totem and gnome-shell both are running between 10% and 30% each (they
bounce back and forth during playback). The next highest usage
(according to top) is 8% and under. Is there a way to capture CPU usage
during playback that will be representative of actual usage?
My video resolution is 1920 x
tracy@tracy-hp:~$ glmark2
===
glmark2 2014.03+git20150611.fa71af2d
===
OpenGL Information
GL_VENDOR: Intel Open Source Technology Center
GL_RENDERER: Mesa DRI Intel(R)
Thanks, but there's no need to benchmark the CPU itself. We already know
the CPU model. What does concern me about CPU usage is whether gnome-
shell or some other process is using considerable CPU during playback.
Do you find that?
Also, please run 'xrandr' and send us the output. Gnome Shell is
Most of that info doesn't mean much to me, but hopefully it will help
narrow things down and at least let you point me in the right
direction
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CPU benchmarking
tracy@tracy-hp:~$ sysbench --test=cpu run
WARNING: the --test option is deprecated. You can pass a script name or path on
the command line without any options.
sysbench 1.0.11 (using system LuaJIT 2.1.0-beta3)
Running the test with following options:
Number of threads: 1
I reinstalled the i965-va-driver.
Here is the output of the hdparm command for the drive that currently
houses the video file:
tracy@tracy-hp:~$ sudo hdparm -t /dev/sdb
[sudo] password for tracy:
/dev/sdb:
Timing buffered disk reads: 352 MB in 3.01 seconds = 117.06 MB/sec
I moved the video
Yes, please do reinstall:
sudo apt install i965-va-driver
That will restore hardware-accelerated video decoding, and keep the system
cooler :)
It now sounds like you have a general graphics/CPU/disk performance
problem and this bug is not really specific to video playback. I assume
this is a
OK, so I tested the removal of the items requested (still with BIOS set
to fixed). After
> sudo apt remove mesa-va-drivers
I tried running the video in totem. Same problem as before - random
lags/stutters/freezes, usually < 1 second, but a few that were longer
(longest was about 2.5 seconds this
I don't see any changes in vainfo from before the change to the BIOS to
after. I have posted both versions here, in case I missed something.
I haven't yet tried removing the mesa drivers or the i965 driver - I
will try that later today, as time permits.
vainfo from before any changes (as posted
** Also affects: mesa (Ubuntu)
Importance: Undecided
Status: New
** Changed in: mesa (Ubuntu)
Status: New => Incomplete
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Ah! Your kernel log mentions the AMD video decoder here:
[ 1223.799908] [drm] UVD initialized successfully.
So it's possible that's the cause of the main problem. Can you please
reintroduce the bug and run 'vainfo'? Does 'vainfo' report different
information after you switch your BIOS?
If that
By the way, I also set up Ubuntu 18.04 on a very similar HP machine last
night (Intel Sandy Bridge + Radeon graphics) and can not reproduce any
problems.
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Thanks.
What you are experiencing is worse than I have ever seen. We do have a
catch-all bug 1698270 to cover similar issues, but I am not aware of it
ever being as bad as you describe.
Maybe this problem is specific to the VAAPI decoding that is common to
both totem and mpv... Does the problem
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