When I restart my display manager (GDM) from tty0, I get a corrupted
image where parts of the X display before I restarted GDM become visible
on both the newly started X server instance as on tty0. When moving the
mouse in X, the current (correct) image around the cursor is replaced by
the image which was shown before X was started.
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD]
nee ATI PITCAIRN PRO [Radeon HD 7800 Series] [1002:6819] (prog-if 00 [VGA
controller])
Subsystem: PC Partner Limited Device [174b:e218]
Flags: bus master, fast devsel, latency 0, IRQ 48
Memory at e0000000 (64-bit, prefetchable) [size=256M]
Memory at f7d00000 (64-bit, non-prefetchable) [size=256K]
I/O ports at e000 [size=256]
Expansion ROM at f7d40000 [disabled] [size=128K]
Capabilities: [48] Vendor Specific Information: Len=08 <?>
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 <?>
Capabilities: [150] Advanced Error Reporting
Capabilities: [270] #19
Capabilities: [2b0] Address Translation Service (ATS)
Capabilities: [2c0] #13
Capabilities: [2d0] #1b
Kernel driver in use: radeon
dmesg, .config, lspci and a picture showing a tty0 with parts of the
image corrupted by the image of the GDM screen before it was restarted,
can be found at http://artipc10.vub.ac.be/~frederik/linux-3.7-rc2/
--
Frederik Himpe
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