[Expired for linux (Ubuntu Vivid) because there has been no activity for
60 days.]
** Changed in: linux (Ubuntu Vivid)
Status: Incomplete => Expired
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** Changed in: linux (Ubuntu Wily)
Status: Confirmed => Invalid
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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Title:
Upgrading to wily has fixed this for me.
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Title:
Broadwell vaapi video decode broken by i915_bpo migration
To manage notifications about this bu
I haven't been able to reproduce this behaviour with mpv.
I've tried all combinations of --vo=opengl / --vo=vaapi and
--hwdev=vaapi and they all display correctly.
mpv 0.8.0 (C) 2000-2015 mpv/MPlayer/mplayer2 projects
built on 2015-02-19T17:03:21
libav library versions:
libavutil 54.3.0
The offending upstream commit appears to be:
http://kernel.ubuntu.com/git/virgin/linux.git/commit/?id=dc9fb09cae5b1355c1a9d8102e40b97b34332f31
I still need to test this with mpv, and there's been some new mainline &
intel-drm-nightly kernels released since by last attempt.
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And the mailing list is not a bug tracker, http:/bugs.freedesktop.org is
(DRI, DRM/Intel)
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Title:
Broadwell vaapi video decode broken by i915_bpo
Timo Aaltonen, I didn't miss it. I had just woke up too early. ;)
Stephen Thirlwall, to clarify, you would want to bisect first, then
report. They aren't going to pay attention to a regression that isn't
bisected as previously advised.
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Bug report posted to linux-gfx
http://lists.freedesktop.org/archives/intel-
gfx/2015-October/078660.html
I'll get started on bisecting the mainline kernel.
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Then you missed that the regression was triggered by BDW using i915_bpo
since -30, and it's backported from 4.2.
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Title:
Broadwell vaapi video de
Timo Aaltonen, unfortunately I was using
http://people.canonical.com/~kernel/info/kernel-version-map.html to map
Ubuntu kernel to mainline.
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Title:
Eh, the regression is somewhere in upstream 3.19..4.2, not -ckt series.
Try mainline ppa builds to get a rough idea first, then dive in.
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Title:
Stephen Thirlwall:
>"One question: should I be using the latest mainline kernel, or the
latest drm-intel-nightly for the Kernel.org bug report?"
Given you would report this to the linux-gfx mailing list, you would
want to emphasize you tested both drm-intel-nightly and latest mainline
kernel.
Ho
Best would be if you could bisect on mainline kernel to find the
offending commit. But for the bugreport it does not really matter as it
is a regression in mainline 4.3-rc6 kernel, so that needs fixing.
You could try 4.2.x mainline before that which would "help" in finding
the regression already.
Shall do.
One question: should I be using the latest mainline kernel, or the
latest drm-intel-nightly for the Kernel.org bug report?
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Title:
Bro
Stephen Thirlwell, the issue you are reporting is an upstream one. Could
you please report this problem following the instructions verbatim at
https://wiki.ubuntu.com/Bugs/Upstream/kernel to the appropriate venue
(intel-gfx)?
Please provide a direct URL to your newly made report when it becomes
av
At this point it would be most useful to bisect where it broke upstream,
somewhere between 3.19..4.2 as it seems.
I'm running BDW with wily, don't see anything being crippled on mpv.
Using vo=vaapi shows it finds the va driver but still uses software
decoding.
libva 1.5.0 was latest available for
Sorry: vo=opengl in combination with --hwdec=vaapi please
I also don't know if the mpv package you are using is some cripled
debian / ubuntu version with patched out stuff. But you can easily try
with the kodi package ubuntu ships. Turn on VAAPI and Prefer VAAPI
Render-Method, that should make the
Try: --hwdec=vaapi -vo=vaapi
We made some tests on kodi forum, yes - if bypassing vaPutSurface and
copying the surfaces manually with SSE4 "workarounds" the bug. So, yes -
accelerated vaPutSurface seems to be broken with this kernel change.
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Ok, then how to get mpv use vaapi? Trying 'mpv --hwdec=vaapi --vo
=opengl-hq' as suggested somewhere still results in software decoding
according to the debug output. Tried big buck bunny 1080p avi and 720p
ogg.
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Comparing with VLC will lead to nothing as it does not use VAAPI for
uploading the decoded surfaces. You can test mplayer-vaapi / mpv with
vaapi output to see the issue. From a first point of view I think this
change did not break the decoder but the transfer of decoded surfaces to
GLX via vaputSu
Tested http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-
nightly/2015-10-17-unstable/linux-
image-4.3.0-994-generic_4.3.0-994.201510162200_amd64.deb
This kernel does not resolve the problem.
(there's two newer directories, but these only contain i386 builds)
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Stephen Thirwall, to see if this already resolved upstream, could you
please test the latest drm-intel-nightly via http://kernel.ubuntu.com
/~kernel-ppa/mainline/drm-intel-nightly/ and advise to the results?
** Changed in: linux (Ubuntu Vivid)
Importance: Undecided => Medium
** Changed in: lin
Tested http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.3-rc6-unstable
/linux-
image-4.3.0-040300rc6-generic_4.3.0-040300rc6.201510182030_amd64.deb
Problem remains, although the first playback seems to work about half
the time, then subsequent ones fail.
I run kodi standalone with xinit, so when
vlc works with vaapi
vlc reports:
libva info: VA-API version 0.37.0
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_37
libva info: va_openDriver() returns 0
[7fc474c0ae78] avco
** Also affects: linux (Ubuntu Vivid)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Wily)
Importance: High
Status: Incomplete
** Changed in: linux (Ubuntu Wily)
Assignee: (unassigned) => Timo Aaltonen (tjaalton)
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No, I haven't installed kodi to try it, just that vlc still works fine
with vaapi.
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Title:
Broadwell vaapi video decode broken by i915_bpo migrat
Stephen Thirwall, could you please test the latest upstream kernel
available from the very top line at the top of the page from
http://kernel.ubuntu.com/~kernel-ppa/mainline/?C=N;O=D (the release
names are irrelevant for testing, and please do not test the daily
folder)? Install instructions are av
I'll give vlc a try when I get home tonight.
Does that mean you've been able to reproduce the kodi behaviour?
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Title:
Broadwell vaapi video deco
Does vlc with vaapi work for you? It does here, so what does kodi do
differently?
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Title:
Broadwell vaapi video decode broken by i915_bpo migrati
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Tags added: kernel-da-key
** Changed in: linux (Ubuntu)
Importance: Medium => High
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I've previously reported this behaviour here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1488719/comments/25
I'm reporting this as a separate bug as I now suspect the "master
control interrupt lied" message is unrelated.
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