https://bugs.freedesktop.org/show_bug.cgi?id=89815
Bug ID: 89815
Summary: DRI3 and EXA: scrambled output when switching monitors
Product: DRI
Version: XOrg git
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: DRM/Radeon
Assignee: dri-devel at lists.freedesktop.org
Reporter: h.judt at gmx.at
I am using compiz-0.8. With DRI3 enabled in xorg.conf and AccelMethod EXA, the
output becomes scrambled when switching monitors.
This does not happen with DRI3 off and AccelMethod EXA,
and does not happen with DRI3 on and AccelMethod glamour.
There seems no proper way to restore functionality except killing compiz
(leaving a black screen) and starting another window manager, like xfwm4. After
that, launching compiz again is not possible, I have to restart the X server.
Using xf86-video-ati git master (391900a670addec39515f924265bfa9f8bfa9ec0).
01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
Cayman PRO [Radeon HD 6950] (prog-if 00 [VGA controller])
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Cayman PRO [Radeon HD
6950]
Flags: bus master, fast devsel, latency 0, IRQ 25
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f7e20000 (64-bit, non-prefetchable) [size=128K]
I/O ports at e000 [size=256]
Expansion ROM at f7e00000 [disabled] [size=128K]
Capabilities: [50] Power Management version 3
Capabilities: [58] Express Legacy Endpoint, MSI 00
Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010
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Capabilities: [150] Advanced Error Reporting
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