search for: m2m_in

...- (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] subclient > 04 [M2M_IN] reason 00000006 [NULL_DMAOBJ]” one? > I did manage to reproduce the second one with Wayland, but still no luck > with the first one. This error: [ 372.954548] nouveau 0000:03:00.0: imem: OOM: 00100000 00001000 -28 [ 372.954702] nouveau 0000:03:00.0: gr: TRAP_M2MF 00000002 [IN] [ 372.9547...

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 launtching supertuxkart kernel-4.16.0-0.rc3.git2.1.vanilla.knurd.1.fc27.x86_64 mesa-17.3.6 wayland session [ 63.992917] nouveau 0000:03:00.0: imem: OOM: 0004b000 00000000 -28 [...

...000:01:00.0: gr: TRAP_M2MF 00320951 400007c0 00000000 04000000 nouveau 0000:01:00.0: gr: 00200000 [] ch 1 [000fbbe000 DRM] subc 4 class 5039 mthd 0100 data 00000000 nouveau 0000:01:00.0: fb: trapped read at 0040000000 on channel 1 [0fbbe000 DRM] engine 00 [PGRAPH] client 03 [DISPATCH] subclient 04 [M2M_IN] reason 00000006 [NULL_DMAOBJ] Fixes 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 Fixes: 7110c89bb885 ("mmu: swap out round for ALIGN ") Tested-by: Pierre Moreau...

...be... :( [The BSP engine in itself isn't that important -- it's for h264 decoding, but it's an unfortunate indicator.] And then you end up with a bunch of [ 5298.803245] nouveau E[ PFB][0000:02:00.0] trapped read at 0x0020ea1200 on channel 0x0000fc33 [compiz[2007]] PGRAPH/DISPATCH/M2M_IN reason: NULL_DMAOBJ Which eventually kill X as well. It's not super-clear from your report, but did this work prior to Ubuntu 13.04? If so, can you figure out what kernel version you were using back when it did work? -- You are receiving this mail because: You are the assignee for the bug....

...225] nouveau E[ PGRAPH][0000:04:00.0] ch 2 [0x0037b10000 Xorg[1761]] subc 0 class 0x5039 mthd 0x0314 data 0x00000108 2013-06-14T03:59:34.124269+02:00 linux-zxd7 kernel: [303714.285236] nouveau E[ PFB][0000:04:00.0] trapped read at 0x006adce9f0 on channel 0x00037b10 [Xorg[1761]] PGRAPH/DISPATCH/M2M_IN reason: PAGE_NOT_PRESENT 2013-06-14T03:59:34.136377+02:00 linux-zxd7 kernel: [303714.299033] nouveau E[ PGRAPH][0000:04:00.0] TRAP_M2MF IN 2013-06-14T03:59:34.136392+02:00 linux-zxd7 kernel: [303714.299041] nouveau E[ PGRAPH][0000:04:00.0] TRAP_M2MF 00320151 6add5080 00000000 04000000 2013-06-14T...

...c27.x86_64 > mesa-17.3.5 > wayland session > reproducible 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] subclient 04 [M2M_IN] reason 00000006 [NULL_DMAOBJ]” one? I did manage to reproduce the second one with Wayland, but still no luck with the first one. (In reply to Nick Lee from comment #8) > Fedora-Workstation-Live-x86_64-Rawhide-20180220.n.0.iso > wayland session > mesa-18.0.0-0.1.rc4.fc28.x86_64 > Got a...

...20951 400007c0 00000000 04000000 > nouveau 0000:01:00.0: gr: 00200000 [] ch 1 [000fbbe000 DRM] subc 4 class 5039 > mthd 0100 data 00000000 > nouveau 0000:01:00.0: fb: trapped read at 0040000000 on channel 1 > [0fbbe000 DRM] > engine 00 [PGRAPH] client 03 [DISPATCH] subclient 04 [M2M_IN] reason 00000006 > [NULL_DMAOBJ] yet it is still reproducible for me on 4.16-rc7 and 4.16.0, which already have your fix. I don't know about earlier versions -- my newer card went into flames just a few days ago, and I replaced it a brand new 8400GS (G98) I happened to have in a dusty clo...

The vblank on nvc0 was not working correctly and would freeze X, I managed to track it down and fix it with some help from m.b.lankhorst, see https://bugs.freedesktop.org/show_bug.cgi?id=56692 for details. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/nouveau/attachments/20121106/27ceb48e/attachment.html> --------------

...rnel: [ 46.267906] nouveau E[ PGRAPH][0000:01:00.0] ch 2 [0x0007b23000 Xorg[1206]] subc 0 class 0x5039 mthd 0x0328 data 0x00000000 Mar 8 20:07:24 pf-XPS-M1330 kernel: [ 46.267981] nouveau E[ PFB][0000:01:00.0] trapped read at 0x0020313000 on channel 0x00007b23 [Xorg[1206]] PGRAPH/DISPATCH/M2M_IN reason: NULL_DMAOBJ Mar 8 20:07:24 pf-XPS-M1330 kernel: [ 46.268121] nouveau E[ PGRAPH][0000:01:00.0] TRAP_M2MF IN Mar 8 20:07:24 pf-XPS-M1330 kernel: [ 46.268178] nouveau E[ PGRAPH][0000:01:00.0] TRAP_M2MF 003200d1 20313bc0 00000000 04000000 Mar 8 20:07:24 pf-XPS-M1330 kernel: [ 46.2682...

https://bugs.freedesktop.org/show_bug.cgi?id=70390 Priority: medium Bug ID: 70390 Assignee: nouveau at lists.freedesktop.org Summary: G84: Repeated system crashes under graphics load, E[PFIFO] DMA_PUSHER and lots of E[PGRAPH] QA Contact: xorg-team at lists.x.org Severity: normal Classification: Unclassified