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System freezes when trying to run openGL application.
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selassje
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Joined: 26 Jan 2016
Posts: 2

PostPosted: Tue Jan 26, 2016 11:32 pm    Post subject: System freezes when trying to run openGL application. Reply with quote

Hi,

I have hybrid a AMD/Intel configuration:

https://bpaste.net/show/f79924e3e7bc

Both video drivers seem to load and the X starts on Intel with no problem. Here's the X log :

https://bpaste.net/show/799c82631de9

However when I try to use the Radeon chipset with xrandr and DRI_PRIME=1, even the glxgears
cause the system to freeze and I have to hard reboot my laptop:

xrandr --setprovideroffloadsink radeon Intel
DRI_PRIME=1 glxgears

Here's the DRI_PRIME=1 glxinfo :

https://bpaste.net/show/e25211ea4355

Please note I'm using -experimental kernel 4.4 but the same thing happens on stable 4.12 as well.

Here's output from dmesg.

https://bpaste.net/show/51bd38c72ff9

There is error :
"radeon 0000:0a:00.0: VCE init error (-22)"
but I don't think that's the problem as this chipset doesn't support VCE anyway.

Please let me know how I could solve this and make Radeon to work or whether you require more logs.

Thanks
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selassje
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Joined: 26 Jan 2016
Posts: 2

PostPosted: Sat Jan 30, 2016 7:25 pm    Post subject: Reply with quote

UPDATE:

After disabling GDM service, X only crashed (instead of complete system freeze). and I can start it again.

Xorg log aftter the crash
https://bpaste.net/show/f5f85d042628

Suspicious message :

490.088] (EE) intel(0): intel_uxa_set_pixmap_bo: size of buffer object does not match constraints: size=458752, must be greater than 545280, but less than 67108864
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