https://bugs.freedesktop.org/show_bug.cgi?id=70354 --- Comment #13 from Ivan Havlicek --- Hi, I have same issue (kernel-3.11.6), my card is a GeForce GTX 765M (10de:11e2). I'm also ready to help if needed, my log : $ dmesg | grep -i -e nouveau -e drm [ 4.607166] [drm] Initialized drm 1.1.0 20060810 [ 4.656791] [drm] Memory usable by graphics device = 2048M [ 4.656796] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver [ 5.235194] fb: conflicting fb hw usage inteldrmfb vs VGA16 VGA - removing generic driver [ 5.249530] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 5.249533] [drm] Driver supports precise vblank timestamp query. [ 5.300252] fbcon: inteldrmfb (fb0) is primary device [ 6.727359] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off [ 8.082531] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 8.084219] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 [ 8.085730] nouveau [ DEVICE][0000:01:00.0] BOOT0 : 0x0e6220a1 [ 8.085770] nouveau [ DEVICE][0000:01:00.0] Chipset: GK106 (NVE6) [ 8.085771] nouveau [ DEVICE][0000:01:00.0] Family : NVE0 [ 8.086406] nouveau [ VBIOS][0000:01:00.0] checking PRAMIN for image... [ 8.134605] nouveau [ VBIOS][0000:01:00.0] ... signature not found [ 8.134696] nouveau [ VBIOS][0000:01:00.0] checking PROM for image... [ 8.309024] nouveau [ VBIOS][0000:01:00.0] ... appears to be valid [ 8.310003] nouveau [ VBIOS][0000:01:00.0] using image from PROM [ 8.311106] nouveau [ VBIOS][0000:01:00.0] BIT signature found [ 8.312066] nouveau [ VBIOS][0000:01:00.0] version 80.06.5b.00.05 [ 8.313602] nouveau [ DEVINIT][0000:01:00.0] adaptor not initialised [ 8.314594] nouveau [ VBIOS][0000:01:00.0] running init tables [ 8.419401] nouveau [ PFB][0000:01:00.0] RAM type: GDDR5 [ 8.420382] nouveau [ PFB][0000:01:00.0] RAM size: 2048 MiB [ 8.421371] nouveau [ PFB][0000:01:00.0] ZCOMP: 0 tags [ 8.445223] nouveau [ PTHERM][0000:01:00.0] FAN control: none / external [ 8.446209] nouveau [ PTHERM][0000:01:00.0] fan management: disabled [ 8.447206] nouveau [ PTHERM][0000:01:00.0] internal sensor: yes [ 8.487489] nouveau [ DRM] VRAM: 2048 MiB [ 8.488465] nouveau [ DRM] GART: 1048576 MiB [ 8.489437] nouveau E[ DRM] Pointer to TMDS table invalid [ 8.490396] nouveau [ DRM] DCB version 4.0 [ 8.491369] nouveau E[ DRM] Pointer to flat panel table invalid [ 8.492335] nouveau W[ DRM] voltage table 0x50 unknown [ 8.493301] nouveau [ DRM] 3 available performance level(s) [ 8.494246] nouveau [ DRM] 0: core 202MHz shader 405MHz memory 405MHz voltage 100mV [ 8.495207] nouveau [ DRM] 1: core 405MHz shader 810MHz memory 1080MHz voltage 80mV [ 8.496147] nouveau [ DRM] 3: core 1002MHz shader 2004MHz memory 1080MHz voltage 40mV [ 8.497098] nouveau [ DRM] c: [ 8.509834] nouveau [ DRM] MM: using COPY for buffer copies [ 8.510744] [drm] Initialized nouveau 1.1.1 20120801 for 0000:01:00.0 on minor 1 [ 8.645176] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0x00000000 FAULT at 0x418880 [ IBUS ] [ 8.645188] nouveau E[ PIBUS][0000:01:00.0] GPC2: 0x419f74 0x00000555 (0x3800820c) [ 8.645321] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0x00000001 FAULT at 0x503018 [ IBUS ] [ 8.645360] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0x00000002 FAULT at 0x4188ac [ IBUS ] [ 8.645389] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0xbadf1008 FAULT at 0x419cc0 [ IBUS ] [ 8.645399] nouveau E[ PIBUS][0000:01:00.0] GPC2: 0x419cc0 0xbadf1008 (0x3800820c) [ 8.645547] nouveau E[ PBUS][0000:01:00.0] MMIO write of 0xbadf1000 FAULT at 0x419eb4 [ IBUS ] [ 8.645564] nouveau E[ PIBUS][0000:01:00.0] GPC2: 0x419eb4 0xbadf1000 (0x3800820c) [ 10.648199] nouveau E[ PGRAPH][0000:01:00.0] HUB_INIT timed out [ 10.648204] nouveau E[ PGRAPH][0000:01:00.0] 409000 - done 0x00000244 [ 10.648208] nouveau E[ PGRAPH][0000:01:00.0] 409000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 [ 10.648212] nouveau E[ PGRAPH][0000:01:00.0] 409000 - stat 0x00000000 0x00000000 0x00000002 0x00000009 [ 10.648214] nouveau E[ PGRAPH][0000:01:00.0] 502000 - done 0x00000300 [ 10.648220] nouveau E[ PGRAPH][0000:01:00.0] 502000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 [ 10.648226] nouveau E[ PGRAPH][0000:01:00.0] 502000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 [ 10.648228] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - done 0x00000300 [ 10.648234] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 [ 10.648239] nouveau E[ PGRAPH][0000:01:00.0] 50a000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 [ 10.648242] nouveau E[ PGRAPH][0000:01:00.0] 512000 - done 0x00000300 [ 10.648247] nouveau E[ PGRAPH][0000:01:00.0] 512000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 [ 10.648253] nouveau E[ PGRAPH][0000:01:00.0] 512000 - stat 0x00000000 0x00000000 0x00000000 0x00000000 [ 10.648255] nouveau E[ PGRAPH][0000:01:00.0] init failed, -16 which results in this error while runing Xorg : [ 8.621] (II) NOUVEAU(G0): Opened GPU channel 0 [ 10.622] (EE) NOUVEAU(G0): Failed to initialise context object: 2D_NVC0 (0) [ 10.622] (EE) NOUVEAU(G0): Error initialising acceleration. Falling back to NoAccel -- You are receiving this mail because: You are the assignee for the bug.