Bug#653000:
If that helps:
[ 76.717747] VGA switcheroo: detected DSM switching method
\_SB_.PCI0.PEG0.PEGP handle
[ 76.717768] nouveau 0000:01:00.0: power state changed by ACPI to D0
[ 76.717771] nouveau 0000:01:00.0: power state changed by ACPI to D0
[ 76.717775] nouveau 0000:01:00.0: enabling device (0004 -> 0007)
[ 76.717780] nouveau 0000:01:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16
[ 76.717783] nouveau 0000:01:00.0: setting latency timer to 64
[ 76.719024] [drm] nouveau 0000:01:00.0: Detected an NVc0 generation
card (0x0c1a80a1)
[ 76.722376] vga_switcheroo: enabled
[ 76.722389] [drm] nouveau 0000:01:00.0: Attempting to load BIOS
image from PRAMIN
[ 76.732141] [drm] nouveau 0000:01:00.0: ... BIOS signature not found
[ 76.732143] [drm] nouveau 0000:01:00.0: Attempting to load BIOS
image from PROM
[ 76.732151] [drm] nouveau 0000:01:00.0: ... BIOS signature not found
[ 76.732153] [drm] nouveau 0000:01:00.0: Attempting to load BIOS
image from PCIROM
[ 76.741997] nouveau 0000:01:00.0: Invalid ROM contents
[ 76.742776] [drm] nouveau 0000:01:00.0: ... BIOS signature not found
[ 76.742777] [drm] nouveau 0000:01:00.0: Attempting to load BIOS
image from ACPI
[ 76.938390] [drm] nouveau 0000:01:00.0: ... appears to be valid
[ 76.938401] [drm] nouveau 0000:01:00.0: BIT BIOS found
[ 76.938408] [drm] nouveau 0000:01:00.0: Bios version 70.08.53.00
[ 76.938414] [drm] nouveau 0000:01:00.0: Pointer to BIT loadval table invalid
[ 76.941000] [drm] nouveau 0000:01:00.0: TMDS table version 2.0
[ 76.941009] [drm] nouveau 0000:01:00.0: Found Display Configuration
Block version 4.0
[ 76.941019] [drm] nouveau 0000:01:00.0: Raw DCB entry 0: 02014300 00000000
[ 76.941028] [drm] nouveau 0000:01:00.0: Raw DCB entry 1: 02021362 00020010
[ 76.941036] [drm] nouveau 0000:01:00.0: Raw DCB entry 2: 0000000e 00000000
[ 76.941045] [drm] nouveau 0000:01:00.0: DCB connector table: VHER 0x40 5 16 4
[ 76.941055] [drm] nouveau 0000:01:00.0: 0: 0x00000340: type 0x40
idx 0 tag 0xff
[ 76.941065] [drm] nouveau 0000:01:00.0: 1: 0x00001061: type 0x61
idx 1 tag 0x07
[ 76.941074] [drm] nouveau 0000:01:00.0: 2: 0x00000147: type 0x47
idx 2 tag 0xff
[ 76.941083] [drm] nouveau 0000:01:00.0: 3: 0x00002346: type 0x46
idx 3 tag 0x08
[ 76.941092] [drm] nouveau 0000:01:00.0: 4: 0x00000400: type 0x00
idx 4 tag 0xff
[ 76.941101] [drm] nouveau 0000:01:00.0: 5: 0x00000210: type 0x10
idx 5 tag 0xff
[ 76.941109] [drm] nouveau 0000:01:00.0: 6: 0x00000211: type 0x11
idx 6 tag 0xff
[ 76.941118] [drm] nouveau 0000:01:00.0: 7: 0x00000213: type 0x13
idx 7 tag 0xff
[ 76.941138] [drm] nouveau 0000:01:00.0: Adaptor not initialised,
running VBIOS init tables.
[ 76.941146] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 0
at offset 0xD5D7
[ 76.965305] [drm] nouveau 0000:01:00.0: 0xD581: i2c wr fail: -6
[ 77.008013] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 1
at offset 0xDC33
[ 77.034878] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 2
at offset 0xEE39
[ 77.034889] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 3
at offset 0xEE3D
[ 77.034951] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table 4
at offset 0xEF25
[ 77.034956] [drm] nouveau 0000:01:00.0: Parsing VBIOS init table at
offset 0xEF8A
[ 77.073550] [drm] nouveau 0000:01:00.0: 3 available performance level(s)
[ 77.073553] [drm] nouveau 0000:01:00.0: 0: memory 135MHz core
270MHz shader 540MHz voltage 850mV
[ 77.073556] [drm] nouveau 0000:01:00.0: 1: memory 405MHz core
270MHz shader 810MHz voltage 850mV
[ 77.073558] [drm] nouveau 0000:01:00.0: 3: memory 405MHz core
960MHz shader 1200MHz voltage 950mV
[ 77.073840] [TTM] Zone kernel: Available graphics memory: 3022090 kiB.
[ 77.073848] [TTM] Zone dma32: Available graphics memory: 2097152 kiB.
[ 77.073852] [TTM] Initializing pool allocator.
[ 77.073886] [drm] nouveau 0000:01:00.0: Detected 512MiB VRAM
[ 77.079711] [drm] nouveau 0000:01:00.0: 512 MiB GART (aperture)
[ 77.079719] [drm] nouveau 0000:01:00.0: PGRAPH: unsupported
chipset, please report!
[ 77.080642] [drm] nouveau 0000:01:00.0: PGRAPH: unknown config: 2/0/0/0, 1
[ 77.085705] [drm] nouveau 0000:01:00.0: failed to load fuc409d
[ 77.101999] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[ 77.102001] [drm] No driver support for vblank timestamp query.
[ 77.157558] [drm] nouveau 0000:01:00.0: allocated 1024x768 fb:
0x8020000, bo ffff8801b5567800
[ 77.157719] fb1: nouveaufb frame buffer device
[ 77.157736] [drm] Initialized nouveau 0.0.16 20090420 for
0000:01:00.0 on minor 1
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