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#1 2015-09-26 17:29:47

KarlP
Member
From: Vorderstoder, AUSTRIA
Registered: 2015-01-01
Posts: 31

[Solved] No video in VLC after kernel update to linux-lts 4.1.8-1

After an update on 2015-09-25 I noticed graphics problems. At login (with LXDM) the login screen did not fully appear (some elements were missing). And as I tried to watch a video file in VLC only the sound could be heard but no video could be seen.

To analyse the problem I tried to paly video files on a laptop also having Archlinux installed. But in this case the installation was not updated. And the video could be played with no problems at all. So I did a comparison of the versions of the installed software packages on the two machines.

A try with a downgrade of linux-lts (4.1.8-1 -> 3.14.52-1) solved the problem and video files are played as they should.

So it seems that linux-lts 4.1.8-1 caused the problems.
Has somebody an idea whats wrong with that?

Last edited by KarlP (2015-10-01 18:57:32)

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#2 2015-09-26 17:51:10

ugjka
Member
From: Latvia
Registered: 2014-04-01
Posts: 1,400

Re: [Solved] No video in VLC after kernel update to linux-lts 4.1.8-1

What graphics driver you use?

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#3 2015-09-26 18:25:53

KarlP
Member
From: Vorderstoder, AUSTRIA
Registered: 2015-01-01
Posts: 31

Re: [Solved] No video in VLC after kernel update to linux-lts 4.1.8-1

xf86-video-intel

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#4 2015-09-30 20:46:34

KarlP
Member
From: Vorderstoder, AUSTRIA
Registered: 2015-01-01
Posts: 31

Re: [Solved] No video in VLC after kernel update to linux-lts 4.1.8-1

While searching around for similar problems, I have noticed that other threads are concerned with GPU HANG issues.
Gusar mentions “that the 4.1 and 4.2 kernels are quite bad for intel graphics” here: https://bbs.archlinux.org/viewtopic.php … 8#p1566278

So I inspected my journalctl for it too and have found

Sep 30 20:59:11 evo063 colord[323]: /usr/lib/colord/colord-sane: error while loading shared libraries: libsane.so.1: cannot open shared object file: No such file or directory
Sep 30 20:59:20 evo063 kernel: [drm] stuck on render ring
Sep 30 20:59:20 evo063 kernel: [drm] GPU HANG: ecode 2:0:0x433fefc1, in Xorg [325], reason: Ring hung, action: reset
Sep 30 20:59:20 evo063 kernel: [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
Sep 30 20:59:20 evo063 kernel: [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
Sep 30 20:59:20 evo063 kernel: [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
Sep 30 20:59:20 evo063 kernel: [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
Sep 30 20:59:20 evo063 kernel: [drm] GPU crash dump saved to /sys/class/drm/card0/error
Sep 30 20:59:20 evo063 kernel: drm/i915: Resetting chip after gpu hang
Sep 30 20:59:20 evo063 kernel: [drm:i915_reset [i915]] *ERROR* Failed to reset chip: -19
Sep 30 20:59:34 evo063 lxdm-session[340]: pam_unix(lxdm:session): session opened for user karl by (uid=0)
Sep 30 20:59:34 evo063 systemd[1]: Created slice user-1000.slice.
Sep 30 20:59:34 evo063 systemd[1]: Starting User Manager for UID 1000...
Sep 30 20:59:34 evo063 systemd-logind[300]: New session c1 of user karl.
Sep 30 20:59:34 evo063 systemd[1]: Started Session c1 of user karl.
Sep 30 20:59:34 evo063 systemd[341]: pam_unix(systemd-user:session): session opened for user karl by (uid=0)

when I used Kernel: 4.1.6-1-ARCH.

At the moment I can't see no other solution than avoiding an update of the kernel to a higher version than linux-lts 3.14.52-1.

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#5 2015-10-01 18:57:04

KarlP
Member
From: Vorderstoder, AUSTRIA
Registered: 2015-01-01
Posts: 31

Re: [Solved] No video in VLC after kernel update to linux-lts 4.1.8-1

Changing from SNA to UXA with my Intel graphics solved the problem for me!
https://wiki.archlinux.org/index.php/In … SNA_issues

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