similar to: [Bug 105173] [MCP79][Regression] Unhandled NULL pointer dereference in nvkm_object_unmap since kernel 4.15

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #12 from Nick Lee <nvlbox at gmail.com> --- > The NULL pointer dereference, or the “trapped read at 0080000000 on channel 1 > [0fbb0000 DRM] engine 00 [PGRAPH] client 03 [DISPATCH] subclient 04 [M2M_IN] > reason 00000006 [NULL_DMAOBJ]” one? "NULL pointer dereference" AND "trapped read" after

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #11 from Nick Lee <nvlbox at gmail.com> --- (In reply to Pierre Moreau from comment #10) > What exactly is reproducible? The artefacts I would assume, but which error > exactly? The NULL pointer dereference, or the “trapped read at 0080000000 on > channel 1 [0fbb0000 DRM] engine 00 [PGRAPH] client 03 [DISPATCH]

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #6 from Nick Lee <nvlbox at gmail.com> --- (In reply to Pierre Moreau from comment #5) > I tried running supertuxkart on my MCP79 (9400M), got some artefacts, but it > did not freeze; the only error I got was “nouveau 0000:03:00.0: fifo: > CACHE_ERROR - ch 1 [DRM] subc 0 mthd 0060 data 80000002”. i got same artefact

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #4 from Nick Lee <nvlbox at gmail.com> --- (In reply to Pierre Moreau from comment #3) > I’ll try to reproduce the issue on my laptop I tried reproduce this bug from openSUSE-Tumbleweed-GNOME-Live-x86_64-Snapshot20180219-Media.iso kernel-4.15.4-default session x11 not reproducible. But reproducible from

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #7 from Nick Lee <nvlbox at gmail.com> --- Suse: xorg-x11-driver-video-7.6_1-17.1.x86_64 xorg-x11-server-1.19.6-3.1.x86_64 Mesa-18.0.0-187.1.x86_64 kernel-4.15.4-1-default -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL:

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #8 from Nick Lee <nvlbox at gmail.com> --- Also tried: Vanilla kernel 4.15.4-300.vanilla.knurd.1.fc27.x86_64 mesa-17.3.5 wayland session reproducible Fedora-Workstation-Live-x86_64-Rawhide-20180220.n.0.iso wayland session mesa-18.0.0-0.1.rc4.fc28.x86_64 Got artefacts with dmesg output: [ 1035.437016] nouveau 0000:03:00.0:

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #15 from Nick Lee <nvlbox at gmail.com> --- today I got that (without OOM Error): [ 1868.631494] nouveau 0000:03:00.0: gr: magic set 0: [ 1868.631502] nouveau 0000:03:00.0: gr: 00408604: 98084805 [ 1868.631507] nouveau 0000:03:00.0: gr: 00408608: 00383d66 [ 1868.631511] nouveau 0000:03:00.0: gr: 0040860c:

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #20 from Nick Lee <nvlbox at gmail.com> --- (In reply to Pierre Moreau from comment #16) Pierre, Maris thank you! -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL:

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #5 from Pierre Moreau <pierre.morrow at free.fr> --- (In reply to Nick Lee from comment #4) > (In reply to Pierre Moreau from comment #3) > > I’ll try to reproduce the issue on my laptop > > I tried reproduce this bug from > openSUSE-Tumbleweed-GNOME-Live-x86_64-Snapshot20180219-Media.iso >

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #10 from Pierre Moreau <pierre.morrow at free.fr> --- (In reply to Nick Lee from comment #8) > Also tried: > > Vanilla kernel 4.15.4-300.vanilla.knurd.1.fc27.x86_64 > mesa-17.3.5 > wayland session > reproducible What exactly is reproducible? The artefacts I would assume, but which error exactly? The NULL

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #13 from Pierre Moreau <pierre.morrow at free.fr> --- Created attachment 137730 --> https://bugs.freedesktop.org/attachment.cgi?id=137730&action=edit Proposed patch Okay, thank you for the confirmation. So, I am still failing to reproduce the NULL pointer dereference, but I can reproduce the other errors, so that’s a

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #17 from Sérgio M. Basto <sergio at serjux.com> --- I tested https://bugs.freedesktop.org/attachment.cgi?id=137730 on a kernel-4.15 but doesn't fixed my boot problem . -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL:

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #18 from Maris Nartiss <maris.nartiss at gmail.com> --- (In reply to Sérgio M. Basto from comment #17) > I tested https://bugs.freedesktop.org/attachment.cgi?id=137730 on a > kernel-4.15 > but doesn't fixed my boot problem . Then, please, open a different bug and provide full kernel (dmesg) output. Or even better

https://bugs.freedesktop.org/show_bug.cgi?id=105173 --- Comment #19 from Sérgio M. Basto <sergio at serjux.com> --- (In reply to Maris Nartiss from comment #18) > (In reply to Sérgio M. Basto from comment #17) > > I tested https://bugs.freedesktop.org/attachment.cgi?id=137730 on a > > kernel-4.15 > > but doesn't fixed my boot problem . > > Then, please, open

https://bugs.freedesktop.org/show_bug.cgi?id=105173 Pierre Moreau <pierre.morrow at free.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[MCP79][Regression] |[MCP79][Regression] |Unhandled NULL pointer |Unhandled NULL pointer

https://bugs.freedesktop.org/show_bug.cgi?id=105173 Sérgio M. Basto <sergio at serjux.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |sergio at serjux.com --- Comment #9 from Sérgio M. Basto <sergio at serjux.com> --- Complete

https://bugs.freedesktop.org/show_bug.cgi?id=105173 Pierre Moreau <pierre.morrow at free.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED --- Comment #16 from Pierre Moreau

https://bugs.freedesktop.org/show_bug.cgi?id=105173 Sérgio M. Basto <sergio at serjux.com> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugs.freedesktop.or | |g/show_bug.cgi?id=105319 -- You

https://bugs.freedesktop.org/show_bug.cgi?id=105173 Pierre Moreau <pierre.morrow at free.fr> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|With kernel >=4.15 nouveau |[MCP79][Regression] |- artefacts and freezes |Unhandled NULL pointer

https://bugs.freedesktop.org/show_bug.cgi?id=105173 Nick Lee <nvlbox at gmail.com> changed: What |Removed |Added ---------------------------------------------------------------------------- QA Contact| |xorg-team at lists.x.org Component|General |Driver/nouveau Version|XOrg git