https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=246499
Bug ID: 246499
Summary: Intel hardware acceleration
Product: Base System
Version: 12.1-RELEASE
Hardware: amd64
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: kern
Assignee: b...@freebsd.org
Reporter: uninsta...@cock.li
Created attachment 214547
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=214547&action=edit
This vdpauinfo output.
I own a thinkpad t450s.
Intel Core i7-5600U
Intel HD Graphics 5500 integrated into CPU
If I run 'env vblank_mode=0 glxgears', then gears are fine and smooth. They
take ~15% of the CPU time while giving out 500FPS and ~34% when giving 2500FPS.
But vim and zathura are laggy. If scroll zathura, then Xorg starts consuming up
to ~70% of the CPU time. Fire takes ~40% of the CPU time giving 60FPS.
'vainfo' gives no errors, but 'vdpauinfo' shows segmentation fault followed by
a crash:
'[1] 51793 segmentation fault (core dumped) vdpauinfo'.
There is also a new entry in dmesg after that: 'pid 34555 (vdpauinfo), jid 0,
uid 1001: exited on signal 11 (core dumped)'. And, each time I run 'vdpauinfo',
it creates a file named 'vdpauinfo.core', with the size of 1.6M.
'vainfo' output: https://pastebin.com/qMACR6qX
'vdpauinfo' output: as a script(1) result in the attachements
Xorg.0.log: https://pastebin.com/UYru3qEn
dmesg: https://pastebin.com/nMvUeQGL
vdpauinfo.core: https://transfer.sh/l2eQ3/vdpauinfo.core
I know a guy who faced the same issue with a relatively new thinkpad. So the
issue seems to affect people with newer chipsets.
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