search for: null_dmaobj

https://bugs.freedesktop.org/show_bug.cgi?id=108783 Bug ID: 108783 Summary: Nouveau crash in X server / display system with PAGE_NOT_PRESENT/NULL_DMAOBJ running Minecraft Feed The Beast Continuum Product: xorg Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: major Priority: medium Component: Driver/nouveau...

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> --------------

...eau 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] [ 372.954712] nouveau 0000:03:00.0: gr:...

...F 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 <pierre.morrow at free.fr&...

...SP 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. -------------- next...

....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 artefacts with dmesg output: &g...

...s://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 [ 63.992930] BUG: unable to handle ker...

...7906] 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: [ 46.268223] nouveau E[ PGRA...

...PGRAPH][0000:04:00.0] ch 2 [0x0037b10000 Xorg[1761]] subc 0 class 0x5039 mthd 0x023c data 0x00000000 2013-06-14T03:59:34.136404+02:00 linux-zxd7 kernel: [303714.299057] nouveau E[ PFB][0000:04:00.0] trapped read at 0x006add4de0 on channel 0x00037b10 [Xorg[1761]] PGRAPH/DISPATCH/M2M_IN reason: NULL_DMAOBJ 2013-06-14T03:59:34.136406+02:00 linux-zxd7 kernel: [303714.299066] nouveau E[ PGRAPH][0000:04:00.0] TRAP_M2MF IN 2013-06-14T03:59:34.136407+02:00 linux-zxd7 kernel: [303714.299071] nouveau E[ PGRAPH][0000:04:00.0] TRAP_M2MF 00320151 00000380 00000000 04000000 2013-06-14T03:59:34.136417+02:00 lin...

...0 > 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 closet. Obviously, I can bisect if tha...

https://bugs.freedesktop.org/show_bug.cgi?id=99202 Bug ID: 99202 Summary: system freeze - fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT] - MULTIPLE_WARP_ERRORS - DATA_ERROR 00000004 [INVALID_VALUE] - ILLEGAL_CLASS ch 11 - RT_STORAGE_TYPE_MISMATCH - CLASS_SUBCH_MISMATCH Product: xorg Version: unspecified