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[Christopher Townsend <christopher.townsend@xxxxxxxxxxxxx>]

Hi Eloy,

Could you open CCSM and disable the X11 Sync and see if the issue still
occurs?

CCSM->OpenGL and uncheck "X11 Sync objects"

Thanks!

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Packages, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/1424013

Title:
  Compiz high CPU and UI freeze on NVIDIA after fix for #269904 in
  trusty-updates

Status in compiz package in Ubuntu:
  New

Bug description:
  Immediately after the fix for #269904 landed in trusty-updates via
  compiz 1:0.9.11.3+14.04.20150122-0ubuntu1, my 14.04 machine with an
  NVIDIA card and using the nvidia-304 driver became unusable -- symtoms
  include compiz process high CPU (100%), UI freeze right after logging
  in (machine still up, reachable via SSH from the network), and a flood
  of these messages on the system log:

  Feb 19 15:44:40 caracas kernel: [61380.415504] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 15:44:40 caracas kernel: [61380.509022] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 15:44:40 caracas kernel: [61380.596324] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 15:45:00 caracas kernel: [61400.576153] NVRM: Xid (PCI:0000:00:0d): 13, 001e 3141590c 00000019 00000104 00009e09 00000002
  Feb 19 15:45:00 caracas kernel: [61400.579199] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 15:45:00 caracas kernel: [61400.581156] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 15:45:03 caracas kernel: [61404.121869] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000002 Instance 00000000 Intr 00100000
  Feb 19 15:45:03 caracas kernel: [61404.125282] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 15:45:06 caracas kernel: [61407.122121] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 15:45:08 caracas kernel: [61408.576039] NVRM: Xid (PCI:0000:00:0d): 8, Channel 00000020
  Feb 19 15:45:09 caracas kernel: [61410.172039] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 15:45:17 caracas kernel: [61417.576038] NVRM: Xid (PCI:0000:00:0d): 8, Channel 00000000
  Feb 19 15:45:17 caracas kernel: [61417.852055] NVRM: Xid (PCI:0000:00:0d): 13, 0000 e0016100 0000008a 00000104 000097ef 00000002
  Feb 19 15:45:17 caracas kernel: [61417.854077] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 15:45:32 caracas kernel: [61432.605045] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context
  Feb 19 15:45:34 caracas kernel: [61434.605060] NVRM: os_schedule: Attempted to yield the CPU while in atomic or interrupt context
  Feb 19 15:45:34 caracas kernel: [61434.605085] NVRM: Xid (PCI:0000:00:0d): 3, C 00000000 SC 00000003 M 00000104 Data 00000000
  Feb 19 15:45:34 caracas kernel: [61434.612631] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:09:51 caracas kernel: [62891.790512] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:09:51 caracas kernel: [62891.888564] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:09:51 caracas kernel: [62892.020478] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:10:08 caracas kernel: [62909.312143] NVRM: Xid (PCI:0000:00:0d): 13, 001e 3141590c 00000019 00000104 00009e09 00000002
  Feb 19 16:10:08 caracas kernel: [62909.315192] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 16:10:08 caracas kernel: [62909.317144] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 16:10:10 caracas kernel: [62911.110191] NVRM: Xid (PCI:0000:00:0d): 13, 0000 e0016100 0000008a 00000104 000097ef 00000002
  Feb 19 16:10:10 caracas kernel: [62911.112162] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000020 Instance 00000000 Intr 00100000
  Feb 19 16:10:10 caracas kernel: [62911.134421] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000002 Instance 00000000 Intr 00100000
  Feb 19 16:10:10 caracas kernel: [62911.149813] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000002 Instance 00000000 Intr 00100000
  Feb 19 16:10:10 caracas kernel: [62911.184901] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:10:10 caracas kernel: [62911.230574] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:10:10 caracas kernel: [62911.261815] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:10:10 caracas kernel: [62911.296811] NVRM: Xid (PCI:0000:00:0d): 1, Channel 00000002 Method 00000060 Data beef0233
  Feb 19 16:10:10 caracas kernel: [62911.303612] NVRM: Xid (PCI:0000:00:0d): 9, Channel 00000002 Instance 00000000 Intr 00100000

  I do not experience any problems if I downgrade to the previous compiz
  version that was available in trusty-updates
  (1:0.9.11.3+14.04.20141104-0ubuntu1).

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