compiz team mailing list archive

[Leo Crawford <1178157@xxxxxxxxxxxxxxxxxx>]

** Description changed:

  I have a dual monitor setup with one HDMI and one DVI monitor plugged
  directly into my on-board graphics card. When the HDMI monitor is
  switched off manually, or by power-saving I frequently (but not always)
  get a crash. This doesn't happen with the DVI monitor.
  
- I am using ubuntu 13.04 (fresh install) although I did copy my home directory over from 12.10.  
- Compiz is at version 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1. 
+ I am using ubuntu 13.04 (fresh install) although I did copy my home directory over from 12.10.
+ Compiz is at version 1:0.9.9~daily13.04.18.1~13.04-0ubuntu1.
  
  Graphics card and driver details:
  
  01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS880 [Radeon HD 4290] (prog-if 00 [VGA controller])
-         Subsystem: ASUSTeK Computer Inc. Device 8454
-         Flags: bus master, fast devsel, latency 0, IRQ 18
-         Memory at d0000000 (32-bit, prefetchable) [size=256M]
-         I/O ports at b000 [size=256]
-         Memory at fe6f0000 (32-bit, non-prefetchable) [size=64K]
-         Memory at fe500000 (32-bit, non-prefetchable) [size=1M]
-         Expansion ROM at <unassigned> [disabled]
-         Capabilities: <access denied>
-         Kernel driver in use: radeon
+         Subsystem: ASUSTeK Computer Inc. Device 8454
+         Flags: bus master, fast devsel, latency 0, IRQ 18
+         Memory at d0000000 (32-bit, prefetchable) [size=256M]
+         I/O ports at b000 [size=256]
+         Memory at fe6f0000 (32-bit, non-prefetchable) [size=64K]
+         Memory at fe500000 (32-bit, non-prefetchable) [size=1M]
+         Expansion ROM at <unassigned> [disabled]
+         Capabilities: <access denied>
+         Kernel driver in use: radeon
  
  This problem did not occur on by 11.04, 11.10, 12.04 or 12.10 setups
  which had the same hardware, and same radeon driver.
+ 
+ It seems to happen when the (larger) HDMI monitor re-awakes more slowly
+ than the PC, causing the DVI (smaller) screen to become the primary
+ monitor briefly, before the HDMI monitor becomes the primary one - at
+ which point the crash occurs.

-- 
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https://bugs.launchpad.net/bugs/1178157

Title:
  Compiz crashes when HDMI monitor changes power state

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