https://bugs.freedesktop.org/show_bug.cgi?id=84836
Bug ID: 84836 Summary: VERDE lockup with Unigine Valley/Heaven if ARB_sample_shading is enabled Product: Mesa Version: unspecified Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: Drivers/Gallium/radeonsi Assignee: dri-devel@lists.freedesktop.org Reporter: alexander@tsoy.me
Created attachment 107614 --> https://bugs.freedesktop.org/attachment.cgi?id=107614&action=edit dmesg output
Unigine Valley 1.0 and Heaven 4.0 cause VERDE GPU lockup when ARB_sample_shading is enabled. With kernel 3.14.19 I got immediate lockup. 3.14.20 allows Valley and Heaven to run for up to 1 min. GPU fails to resume after lockup, screen becomes corrupted and I need to reboot the system.
If I disable ARB_sample_shading (via env variable MESA_EXTENSION_OVERRIDE=-GL_ARB_sample_shading) then VERDE GPU do not hang at all (currently valley is running on my system for more than two hours without lockups).
I also have BONAIRE GPU and it does not hang.
Software versions:
kernel-3.14.20 mesa-10.3.0 llvm-3.5 xf86-video-ati 7.4.0 libdrm-2.4.56