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[Launchpad Bug Tracker <951331@xxxxxxxxxxxxxxxxxx>]

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Hi,
I've installed 12.04 and decided to try nouveau since I'm coding colord-kde
which requires XRandR 1.3 (NVIDIA proprietary only supports 1.2), on my wife's
laptop the nouveau driver worked fine which is a GT230M iirc, but
my GT240 failed, If I ssh and kill KDM I'm able to use the ttyX
otherwise the screen is black...

Here is what I have on syslog:
Mar  9 17:15:33 Hommer kdm[1373]: X server startup timeout, terminating
Mar  9 17:15:35 Hommer kernel: [   45.949506] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:15:37 Hommer kernel: [   47.985846] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:15:37 Hommer kernel: [   50.097667] EXT4-fs (sda2): re-mounted. Opts: errors=remount-ro,commit=0
Mar  9 17:15:37 Hommer kernel: [   50.169289] EXT4-fs (sda1): re-mounted. Opts: commit=0
Mar  9 17:15:39 Hommer kernel: [   49.986244] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:15:41 Hommer kernel: [   51.987480] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:15:43 Hommer kernel: [   53.988622] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:15:45 Hommer kernel: [   55.989725] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:15:47 Hommer kernel: [   57.990810] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:03 Hommer kdm[1373]: X server termination timeout, killing
Mar  9 17:16:06 Hommer kernel: [   79.356009] [drm] nouveau 0000:01:00.0: Failed to idle channel 2.
Mar  9 17:16:08 Hommer kernel: [   79.360372] [drm] nouveau 0000:01:00.0: Ctxprog is still running
Mar  9 17:16:10 Hommer kernel: [   81.361439] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:13 Hommer kdm[1373]: X server is stuck in D state; leaving it alone
Mar  9 17:16:13 Hommer kdm[1373]: Failed to start X server. Starting failsafe X server.
Mar  9 17:16:13 Hommer kernel: [   86.356022] [drm] nouveau 0000:01:00.0: Failed to idle channel 3.
Mar  9 17:16:13 Hommer kdm[2023]: Cannot execute "/etc/gdm/failsafeXServer": No such file or directory
Mar  9 17:16:15 Hommer kernel: [   86.360002] [drm] nouveau 0000:01:00.0: Ctxprog is still running
Mar  9 17:16:17 Hommer kernel: [   88.361085] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:19 Hommer kernel: [   90.363170] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:21 Hommer kernel: [   92.364439] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:23 Hommer kernel: [   94.365573] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:25 Hommer kernel: [   96.366699] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:27 Hommer kernel: [   98.367828] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:28 Hommer kdm[1373]: X server died during startup
Mar  9 17:16:28 Hommer kdm[1373]: Failed to start X server. Starting failsafe X server.
Mar  9 17:16:28 Hommer kdm[2027]: Cannot execute "/etc/gdm/failsafeXServer": No such file or directory
Mar  9 17:16:29 Hommer kernel: [  100.368962] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:31 Hommer kernel: [  102.370406] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:33 Hommer kernel: [  104.371116] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:35 Hommer kernel: [  106.371769] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:37 Hommer kernel: [  108.372000] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:39 Hommer kernel: [  110.372048] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:41 Hommer kernel: [  112.372539] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:43 Hommer kernel: [  114.372658] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000
Mar  9 17:16:43 Hommer kdm[1373]: X server died during startup
Mar  9 17:16:43 Hommer kdm[1373]: X server for display :0 cannot be started, session disabled
Mar  9 17:16:45 Hommer kernel: [  116.372788] [drm] nouveau 0000:01:00.0: PGRAPH TLB flush idle timeout fail: 0x011e0101 0x00000000 0x0000002d 0x00348000

** Affects: nouveau
     Importance: Critical
         Status: Invalid

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: kubuntu precise
-- 
X does not start on GT240
https://bugs.launchpad.net/bugs/951331
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