** Description changed:

  Fast-user switching results in a black screen, X crash.
+ 
+ #8  <signal handler called>
+ No locals.
+ #9  __memcpy_sse2 () at ../sysdeps/x86_64/multiarch/../memcpy.S:272
+ No locals.
+ #10 0x00007f402c498737 in memcpy (__len=7680, __src=<optimized out>, 
__dest=0x7f402606e000) at /usr/include/x86_64-linux-gnu/bits/string3.h:51
+ No locals.
+ #11 R600UploadToScreenCS (pDst=0x7f4031abfc90, x=0, y=0, w=1920, h=1080, 
src=<optimized out>, src_pitch=7680) at ../../src/r600_exa.c:1609
+         pScrn = 0x7f4031520690
+         info = 0x7f4031521340
+         accel_state = 0x7f4031abfc90
+         driver_priv = <optimized out>
+         scratch = <optimized out>
+         copy_dst = 0x7f4031ad0a90
+         dst = 0x7f402606e000 <Address 0x7f402606e000 out of bounds>
+         size = 7680
+         dst_domain = 4
+         bpp = <optimized out>
+         scratch_pitch = <optimized out>
+         copy_pitch = 7680
+         dst_pitch_hw = <optimized out>
+         ret = <optimized out>
+         flush = <optimized out>
+         r = 1
+         i = <optimized out>
+         src_obj = {pitch = 0, width = 0, height = 0, bpp = 7680, domain = 2, 
bo = 0x7f402c48d5a9 <RADEONEXAPixmapIsOffscreen+9>, tiling_flags = 833354896, 
surface = 0x7f402b838c4b <exaPixmapHasGpuCopy_mixed+107>}
+         dst_obj = {pitch = 732201792, width = 32576, height = 742970793, bpp 
= 32576, domain = 833354896, bo = 0x7f402b838c4b 
<exaPixmapHasGpuCopy_mixed+107>, tiling_flags = 802021200, surface = 
0x7f4031abfc90}
+         height = <optimized out>
+         base_align = <optimized out>
+ 
  
  ProblemType: Crash
  DistroRelease: Ubuntu 13.04
  Package: xserver-xorg-core 2:1.13.1.901-0ubuntu1
  ProcVersionSignature: Ubuntu 3.8.0-1.5-generic 3.8.0-rc4
  Uname: Linux 3.8.0-1-generic x86_64
  .tmp.unity.support.test.0:
-  
+ 
  ApportVersion: 2.8-0ubuntu2
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CurrentDmesg:
-  [   21.194501] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
-  [  578.683634] UDF-fs: Partition marked readonly; forcing readonly mount
-  [  578.718337] UDF-fs: INFO Mounting volume 'BBCDVD3285', timestamp 
2010/09/28 00:04 (1294)
+  [   21.194501] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
+  [  578.683634] UDF-fs: Partition marked readonly; forcing readonly mount
+  [  578.718337] UDF-fs: INFO Mounting volume 'BBCDVD3285', timestamp 
2010/09/28 00:04 (1294)
  Date: Sun Jan 20 17:04:11 2013
  DistUpgraded: 2012-12-06 19:10:29,781 DEBUG enabling apt cron job
  DistroCodename: raring
  DistroVariant: ubuntu
  ExecutablePath: /usr/bin/Xorg
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
-  Advanced Micro Devices [AMD] nee ATI RV730XT [Radeon HD 4670] [1002:9490] 
(prog-if 00 [VGA controller])
-    Subsystem: Giga-byte Technology Device [1458:21b2]
+  Advanced Micro Devices [AMD] nee ATI RV730XT [Radeon HD 4670] [1002:9490] 
(prog-if 00 [VGA controller])
+    Subsystem: Giga-byte Technology Device [1458:21b2]
  InstallationDate: Installed on 2012-09-09 (132 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120905.2)
  MachineType: Gigabyte Technology Co., Ltd. GA-MA780G-UD3H
  MarkForUpload: True
  ProcCmdline: /usr/bin/X :1 -core -auth /var/run/lightdm/root/:1 -nolisten tcp 
vt8 -novtswitch
  ProcEnviron:
-  
+ 
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-1-generic 
root=UUID=e9e28db6-3c36-4e13-bea1-017b97bd28d8 ro quiet splash vt.handoff=7
  Signal: 6
  SourcePackage: xorg-server
  StacktraceTop:
-  ?? () from /lib/x86_64-linux-gnu/libc.so.6
-  ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so
-  ?? () from /usr/lib/xorg/modules/libexa.so
-  ?? ()
-  ?? ()
+  ?? () from /lib/x86_64-linux-gnu/libc.so.6
+  ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so
+  ?? () from /usr/lib/xorg/modules/libexa.so
+  ?? ()
+  ?? ()
  Title: Xorg crashed with SIGABRT
  UpgradeStatus: Upgraded to raring on 2012-12-06 (44 days ago)
  UserGroups:
-  
+ 
  dmi.bios.date: 12/30/2008
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F1
  dmi.board.name: GA-MA780G-UD3H
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: 
dmi:bvnAwardSoftwareInternational,Inc.:bvrF1:bd12/30/2008:svnGigabyteTechnologyCo.,Ltd.:pnGA-MA780G-UD3H:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-MA780G-UD3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: GA-MA780G-UD3H
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  version.compiz: compiz 1:0.9.9~daily13.01.17-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.41-0ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.1-0ubuntu1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.1-0ubuntu1
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.1.901-0ubuntu1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.0.0-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.18-0ubuntu1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.6-0ubuntu1
  xserver.bootTime: Sun Jan 20 17:05:39 2013
  xserver.configfile: default
  xserver.devices:
-  input        Power Button         KEYBOARD, id 6
-  input        Power Button         KEYBOARD, id 7
-  input          USB Keyboard       KEYBOARD, id 8
-  input          USB Keyboard       KEYBOARD, id 9
-  input        USB Optical Mouse    MOUSE, id 10
+  input        Power Button         KEYBOARD, id 6
+  input        Power Button         KEYBOARD, id 7
+  input          USB Keyboard       KEYBOARD, id 8
+  input          USB Keyboard       KEYBOARD, id 9
+  input        USB Optical Mouse    MOUSE, id 10
  xserver.errors:
-  
+ 
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.13.1.901-0ubuntu1
  xserver.video_driver: radeon

** Summary changed:

- Xorg crashed with SIGABRT
+ Xorg crashed with SIGABRT in R600UploadToScreenCS()

** Changed in: xserver-xorg-video-ati (Ubuntu)
   Importance: Medium => High

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-ati in Ubuntu.
https://bugs.launchpad.net/bugs/1101989

Title:
  Xorg crashed with SIGABRT in R600UploadToScreenCS()

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