search for: pbdma1

...art of dmesg is [ 2043.225653] nouveau E[ PFIFO][0000:08:00.0] read fault at 0x0000490000 [PTE] from GR/S\ CC on channel 0x007edf8000 [kwin_x11[2256]] [ 2043.225660] nouveau E[ PFIFO][0000:08:00.0] PGR engine fault on channel 12, recovering\ ... [ 2092.200410] nouveau E[ PFIFO][0000:08:00.0] PBDMA1: SIGNATURE [ 2092.200416] nouveau E[ PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\ 00 data 0x00000000 [ 2092.200430] nouveau E[ PFIFO][0000:08:00.0] PBDMA1: SIGNATURE [ 2092.200433] nouveau E[ PFIFO][0000:08:00.0] PBDMA1: ch 13 [vlc[4136]] subc 0 mthd 0x00\ 00 data 0x000000...

...Controller [8086:0416] (rev 06) 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GK104M [GeForce GTX 870M] [10de:1199] (rev a1) Had to blacklist nouveau module since it was spamming dmesg from startup: Jul 17 05:52:48 mireille kernel: [ 18.417467] nouveau E[ PFIFO][0000:01:00.0] PBDMA1: ch 0 [DRM] subc 0 mthd 0x0000 data 0x00000000 Jul 17 05:52:48 mireille kernel: [ 18.417477] nouveau E[ PFIFO][0000:01:00.0] PBDMA1: GPPTR Jul 17 05:52:48 mireille kernel: [ 18.417479] nouveau E[ PFIFO][0000:01:00.0] PBDMA1: ch 0 [DRM] subc 0 mthd 0x0000 data 0x00000000 Jul 17 05:52:48 mire...

...] Created slice system-getty.slice. [ OK ] Started Getty on tty1. [ OK ] Reached target Login Prompts. [ OK ] Started systemd-resolved-update-resolvconf.service. [ 29.482308] nouveau 0000:01:00.0: Xorg[3070]: failed to idle channel 3 [Xorg[3070]] [ 29.490104] nouveau 0000:01:00.0: fifo: PBDMA1: 02000000 [SEMAPHORE] ch 3 [003fbc3000 Xorg[3070]] subc 0 mthd 001c data 00000000 Ubuntu 17.10 localhost.localdomain ttyS0 [ 44.482308] nouveau 0000:01:00.0: Xorg[3070]: failed to idle channel 3 [Xorg[3070]] [ 61.592309] nouveau 0000:01:00.0: Xorg[3070]: failed to idle channel 3 [Xorg[3070]] [...

Hi Ben, Thanks for your reply. My replies follow in between. Luís On Thu, Jan 25, 2018 at 5:40 AM, Ben Skeggs <skeggsb at gmail.com> wrote: > On 24 January 2018 at 06:19, Luís Mendes <luis.p.mendes at gmail.com> wrote: >> Hi Arnd, >> >> Sorry for sending this email directly to you, but maybe you can help >> me, or guide me where to look for. >>

https://bugs.freedesktop.org/show_bug.cgi?id=89558 Bug ID: 89558 Summary: Unknown chipset error for GeForce 840M Product: xorg Version: unspecified Hardware: Other OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: Driver/nouveau Assignee: nouveau at