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I tried streaming an mpeg stream (from a digital PVR) with vlc, but the
result was a blank screen (I did get the audio).
The same streaming did work with mpv.
It also worked with vlc on another system I have, which has an Intel GPU
(rather than an AMD one).
This was showing in the dmesg logs:
==========
[16247.237431] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:916
mipmap [3] bo too small (layer size 65536, offset 0, coffset 1376256, max layer
1, depth 1, bo size 1327104) level0 (544 576 1)
[16247.237434] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:921
problematic surf: (128 128) (4 4 1 1 2 1024 2)
[16247.237463] [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
[16247.257436] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:916
mipmap [3] bo too small (layer size 65536, offset 0, coffset 1376256, max layer
1, depth 1, bo size 1327104) level0 (544 576 1)
[16247.257439] radeon 0000:01:00.0: evergreen_cs_track_validate_texture:921
problematic surf: (128 128) (4 4 1 1 2 1024 2)
[16247.257468] [drm:radeon_cs_ioctl [radeon]] *ERROR* Invalid command stream !
==========
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: vlc 3.0.4-2build1
ProcVersionSignature: Ubuntu 4.18.0-13.14-generic 4.18.17
Uname: Linux 4.18.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Jan 17 01:26:17 2019
InstallationDate: Installed on 2019-01-14 (2 days ago)
InstallationMedia: Kubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.2)
SourcePackage: vlc
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: vlc (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: xserver-xorg-video-ati (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cosmic
--
vlc on mpeg stream with radeon GPU driver produces errors and no video
https://bugs.launchpad.net/bugs/1812138
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