https://bugs.freedesktop.org/show_bug.cgi?id=91779
--- Comment #9 from Jeremy Huddleston <[email protected]> --- BTW, copying /sys/kernel/debug/dri/0/vbios.rom to /lib/firmware when in BIOS-emulation mode has allowed me to get nouveau loaded when in pure EFI mode via: $ sudo modprobe nouveau config=NvBios=vbios.rom However, there's some really bad screen flicker with the 3.13 kernel from Ubuntu 14.04.3. It looks as though the screen is refreshing at about 60Hz and every other frame is all black (issue doesn't happen in the BIOS-emulation mode on the same kernel). I'll give a newer kernel a try. Here's from the successful load: Aug 29 23:50:09 wedge kernel: [ 366.044062] [drm] hdmi device not found 1 0 1 Aug 29 23:50:09 wedge kernel: [ 366.044343] nouveau [ DEVICE][0000:01:00.0] BOOT0 : 0x084700a2 Aug 29 23:50:09 wedge kernel: [ 366.044346] nouveau [ DEVICE][0000:01:00.0] Chipset: G84 (NV84) Aug 29 23:50:09 wedge kernel: [ 366.044348] nouveau [ DEVICE][0000:01:00.0] Family : NV50 Aug 29 23:50:09 wedge kernel: [ 366.048106] nouveau [ VBIOS][0000:01:00.0] image: vbios.rom Aug 29 23:50:09 wedge kernel: [ 366.048159] nouveau [ VBIOS][0000:01:00.0] ... appears to be valid Aug 29 23:50:09 wedge kernel: [ 366.048284] nouveau [ VBIOS][0000:01:00.0] BIT signature found Aug 29 23:50:09 wedge kernel: [ 366.048287] nouveau [ VBIOS][0000:01:00.0] version 60.84.49.03.00 Aug 29 23:50:09 wedge kernel: [ 366.068374] nouveau 0000:01:00.0: irq 48 for MSI/MSI-X Aug 29 23:50:09 wedge kernel: [ 366.068393] nouveau [ PMC][0000:01:00.0] MSI interrupts enabled Aug 29 23:50:09 wedge kernel: [ 366.068435] nouveau [ PFB][0000:01:00.0] RAM type: GDDR3 Aug 29 23:50:09 wedge kernel: [ 366.068438] nouveau [ PFB][0000:01:00.0] RAM size: 128 MiB Aug 29 23:50:09 wedge kernel: [ 366.068440] nouveau [ PFB][0000:01:00.0] ZCOMP: 1892 tags Aug 29 23:50:09 wedge kernel: [ 366.077496] nouveau [ VOLT][0000:01:00.0] GPU voltage: 1130000uv Aug 29 23:50:09 wedge kernel: [ 366.101061] nouveau [ PTHERM][0000:01:00.0] FAN control: none / external Aug 29 23:50:09 wedge kernel: [ 366.101070] nouveau [ PTHERM][0000:01:00.0] fan management: automatic Aug 29 23:50:09 wedge kernel: [ 366.101074] nouveau [ PTHERM][0000:01:00.0] internal sensor: yes Aug 29 23:50:09 wedge kernel: [ 366.101082] nouveau [ CLK][0000:01:00.0] 20: core 169 MHz shader 338 MHz memory 100 MHz Aug 29 23:50:09 wedge kernel: [ 366.101086] nouveau [ CLK][0000:01:00.0] 21: core 283 MHz shader 566 MHz memory 297 MHz Aug 29 23:50:09 wedge kernel: [ 366.101090] nouveau [ CLK][0000:01:00.0] 22: core 375 MHz shader 750 MHz memory 502 MHz Aug 29 23:50:09 wedge kernel: [ 366.101093] nouveau [ CLK][0000:01:00.0] 23: core 470 MHz shader 940 MHz memory 635 MHz Aug 29 23:50:09 wedge kernel: [ 366.101136] nouveau [ CLK][0000:01:00.0] --: core 275 MHz shader 550 MHz memory 302 MHz Aug 29 23:50:09 wedge kernel: [ 366.101287] [TTM] Zone kernel: Available graphics memory: 2022336 kiB Aug 29 23:50:09 wedge kernel: [ 366.101289] [TTM] Initializing pool allocator Aug 29 23:50:09 wedge kernel: [ 366.101295] [TTM] Initializing DMA pool allocator Aug 29 23:50:09 wedge kernel: [ 366.101306] nouveau [ DRM] VRAM: 128 MiB Aug 29 23:50:09 wedge kernel: [ 366.101308] nouveau [ DRM] GART: 1048576 MiB Aug 29 23:50:09 wedge kernel: [ 366.101312] nouveau [ DRM] TMDS table version 2.0 Aug 29 23:50:09 wedge kernel: [ 366.101315] nouveau [ DRM] DCB version 4.0 Aug 29 23:50:09 wedge kernel: [ 366.101317] nouveau [ DRM] DCB outp 00: 01000123 00010034 Aug 29 23:50:09 wedge kernel: [ 366.101320] nouveau [ DRM] DCB outp 01: 02011210 00000028 Aug 29 23:50:09 wedge kernel: [ 366.101322] nouveau [ DRM] DCB outp 02: 02011212 00010030 Aug 29 23:50:09 wedge kernel: [ 366.101324] nouveau [ DRM] DCB outp 03: 01011211 0080c070 Aug 29 23:50:09 wedge kernel: [ 366.101327] nouveau [ DRM] DCB conn 00: 0040 Aug 29 23:50:09 wedge kernel: [ 366.101330] nouveau [ DRM] DCB conn 01: 1120 Aug 29 23:50:09 wedge kernel: [ 366.118124] nouveau W[ DRM] unknown connector type 20 Aug 29 23:50:09 wedge kernel: [ 366.118165] nouveau W[ DRM] failed to create encoder 0/1/0: -19 Aug 29 23:50:09 wedge kernel: [ 366.118168] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). Aug 29 23:50:09 wedge kernel: [ 366.118169] [drm] No driver support for vblank timestamp query. Aug 29 23:50:09 wedge kernel: [ 366.135710] nouveau [ DRM] MM: using CRYPT for buffer copies Aug 29 23:50:09 wedge kernel: [ 366.186174] nouveau [ DRM] allocated 1440x900 fb: 0x60000, bo ffff8800368e4c00 Aug 29 23:50:09 wedge kernel: [ 366.186291] fbcon: nouveaufb (fb0) is primary device Aug 29 23:50:11 wedge kernel: [ 367.253708] Console: switching to colour frame buffer device 180x56 Aug 29 23:50:11 wedge kernel: [ 367.255103] nouveau 0000:01:00.0: fb0: nouveaufb frame buffer device Aug 29 23:50:11 wedge kernel: [ 367.255106] nouveau 0000:01:00.0: registered panic notifier Aug 29 23:50:11 wedge kernel: [ 367.255112] [drm] Initialized nouveau 1.1.2 20120801 for 0000:01:00.0 on minor 0 -- You are receiving this mail because: You are the assignee for the bug.
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