search for: dmaobj_limit

...]] get 0000000000 put 0000000000 ib_get 00000000 ib_put 00000002 state c0000000 (err: MEM_FAULT) push 00400040 [172738.032870] nouveau 0000:01:00.0: fb: trapped read at 0020010000 on channel 7 [1f6b3000 geodesic[7871]] engine 05 [PFIFO] client 08 [PFIFO_READ] subclient 00 [PUSHBUF] reason 0000000f [DMAOBJ_LIMIT] [172738.054718] nouveau 0000:01:00.0: fifo: DMA_PUSHER - ch 7 [geodesic[7871]] get 0000000000 put 0000000000 ib_get 00000002 ib_put 00000004 state c0000000 (err: MEM_FAULT) push 00400040 [172738.054730] nouveau 0000:01:00.0: fb: trapped read at 0020010010 on channel 7 [1f6b3000 geodesic[7871]] eng...

https://bugs.freedesktop.org/show_bug.cgi?id=94643 Bug ID: 94643 Summary: 4K Display on Displayport goes black when pointer hits column 0 Product: xorg Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium

...ouveau uses this memory for different purposes, so if we are unlucky, it causes mysterious memory corruptions. For me, booting with nv_printk debug levels set to 5 was enough to trigger it. It manifested as long stream of: "trapped write at ... on channel 0x0001fea0 BAR/PFIFO_WRITE/IN reason: DMAOBJ_LIMIT / PT_NOT_PRESENT / PAGE_SYSTEM_ONLY / PAGE_NOT_PRESENT" which eventually lead to complete hang. Disabling access to VGA memory (through 0x54 PCI config space register) is enough to fix it, but it breaks copying screen data between old and new console (because old data is inaccessible). But bl...

https://bugs.freedesktop.org/show_bug.cgi?id=93828 Bug ID: 93828 Summary: Xorg hangs randomly with nouveau driver Product: xorg Version: unspecified Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: critical Priority: medium Component: Driver/nouveau Assignee:

https://bugs.freedesktop.org/show_bug.cgi?id=75464 Priority: medium Bug ID: 75464 Assignee: nouveau at lists.freedesktop.org Summary: [nv4e] [vdpau] causes hangs QA Contact: xorg-team at lists.x.org Severity: normal Classification: Unclassified OS: All Reporter: ronald645 at gmail.com Hardware:

https://bugs.freedesktop.org/show_bug.cgi?id=82835 Priority: medium Bug ID: 82835 Assignee: nouveau at lists.freedesktop.org Summary: GeForce 8800 GS VDPAU h264 decoding hang QA Contact: xorg-team at lists.x.org Severity: normal Classification: Unclassified OS: Linux (All) Reporter: randrik at mail.ru