https://bugs.freedesktop.org/show_bug.cgi?id=103613
Bug ID: 103613
Summary: Reverse Prime with intel/amdgpu causes segfault in
glamor_block_handler when enabling monitor
Product: DRI
Version: DRI git
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: [email protected]
Reporter: [email protected]
I have a discrete AMD card (Tonga) using amdgpu and an iGPU (Skylake/HD530)
using the intel driver.
I enabled DRI3 on both devices, but xrandr only shows the outputs/monitors of
the AMD card.
When I use "xrandr --setprovideroutputsource 1 0" everything is still fine,
xrandr shows now all outputs/monitors.
When I try to enable the monitor connected to the iGPU via "xrandr --output
HDMI3 --auto" the x-server segfaults with the following backtrace:
#0 0x00007fdffdd2334d in glamor_block_handler () from
/usr/lib64/xorg/modules/libglamoregl.so
#1 0x00007fe00d639f8b in amdgpu_glamor_flush () from
/usr/lib64/xorg/modules/drivers/amdgpu_drv.so
#2 0x00007fe00d62df23 in redisplay_dirty () from
/usr/lib64/xorg/modules/drivers/amdgpu_drv.so
#3 0x00007fe00d62f728 in AMDGPUBlockHandler_KMS () from
/usr/lib64/xorg/modules/drivers/amdgpu_drv.so
#4 0x000000000043a27f in BlockHandler ()
#5 0x0000000000587ac3 in WaitForSomething ()
Here are further details, including the Xorg.log and the used configs:
https://gist.github.com/EoD/c1c4f2b4afde2d0523e9ea8bb1567452
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