https://bugzilla.kernel.org/show_bug.cgi?id=206781 Bug ID: 206781 Summary: GM104 (GeForce 840m) with many errors "fifo: SCHED_ERROR 20" Product: Drivers Version: 2.5 Kernel Version: 5.4 Hardware: All OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@xxxxxxxxxxxxxxxxxxxx Reporter: gsedej@xxxxxxxxx Regression: No Created attachment 287821 --> https://bugzilla.kernel.org/attachment.cgi?id=287821&action=edit dmesg contining errors - shortend at end Laptop HP Envy 15 with i7-4700mq and GeForce 840m on Ubuntu 18.04 and 20.04. nouveau outputs many megabytes into system logs (kern.log and syslog) with "nouveau 0000:07:00.0: fifo: SCHED_ERROR 20 []" full log is in attachment some relevant output before "SCHED_ERROR" nouveau 0000:07:00.0: NVIDIA GM108 (118010a2) ... nouveau 0000:07:00.0: bios: version 82.08.14.00.0e ... nouveau 0000:07:00.0: fb: 2048 MiB DDR3 nouveau 0000:07:00.0: bus: MMIO read of 00000000 FAULT at 6013d4 [ IBUS ] ... nouveau 0000:07:00.0: bus: MMIO read of 00000000 FAULT at 10ac08 [ IBUS ] nouveau 0000:07:00.0: fifo: fault 01 [WRITE] at 0000000000150000 engine 05 [BAR2] client 08 [HUB/HOST_CPU_NB] reason 02 [PTE] on channel -1 [007fd38000 unknown] nouveau 0000:07:00.0: fifo: fault 01 [WRITE] at 0000000000000000 engine 05 [BAR2] client 08 [HUB/HOST_CPU_NB] reason 0a [UNSUPPORTED_APERTURE] on channel -1 [007fd38000 unknown] vga_switcheroo: enabled [TTM] Zone kernel: Available graphics memory: 8164024 KiB nouveau 0000:07:00.0: fifo: SCHED_ERROR 20 [] nouveau 0000:07:00.0: fifo: SCHED_ERROR 20 [] nouveau 0000:07:00.0: fifo: SCHED_ERROR 20 [] ... I have also reported here: https://gitlab.freedesktop.org/xorg/driver/xf86-video-nouveau/issues/522 -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel