Public bug reported:
1. In 4.15 kernel serires ,vlc or mpv video player with hardware
acceleration output will freeze the system in minutes ,the desktop
screen display content was frozen ,but sometime the audio will
continue to play for about 10 seconds to one miniute,then the system
dead。I have to reset the machine to reboot. When upgrade to 5.3.24
kernel,amdgpu still hanged immediately,but play video through vdpau
in radeon driver the system will no hang immediately,the freqency of
hanging is about serveral times a day。 some times web browser in
virtualbox guest randomly hangs the system。
2. installing amdgpu-pro driver download from amd official site
(version of 18.40-697810,18.50-756341,19.10-785425,19.30-934563) are
all the same problem with above.
3. remove libvdpau_radeonsi.so.1.0.0 in the system from ubuntu or
installed in /opt/amdgpu by amdgpu-pro driver solved the problem .
the system has never been freezing for several weeks ,but the problem
happened again when I restore the libvdpau_radeonsi.so file。
4.When use amdgpu driver the vlc output sound via display output port
(through an active hdmi adaptor to hdmi monitor) was glitches ,the sound seem
missing or dropped in every 2~3 seconds，but when use radeon driver the sound
was normal.the audio problem is the same with 4.15 kernel when using kernel
5.3.24. But mplayer sound is always good ,testing with audio output of
pulseaduio and alsa ,the kernel driver only affected the sound of vlc (tested
with all available audio output ),the other applications was normal.
5. Test with the ubuntu 19.10 live image desktop is the same problem。
6. My system have four monitors,graphics card is R7 360 ,recognized as (from
lspci) :
6.02:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Cape Verde PRO [Radeon HD 7750/8740 / R7 250E].
infomation from uname -a :
Linux smzhou-desktop 5.3.0-24-lowlatency #26~18.04.2-Ubuntu SMP PREEMPT Tue Nov
26 14:39:35 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
** Affects: mesa (Ubuntu)
Importance: Undecided
Status: New
** Tags: amdgpu hang mesa r7 radeon vdpau
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https://bugs.launchpad.net/bugs/1858199
Title:
bugs in libvdpau_radeonsi.so and amdgpu(or radeon) driver freeze the
system
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