nouveau error

kernel.log

nouveau 0000:20:00.0: fifo: SCHED_ERROR 0a [CTXSW_TIMEOUT]
nouveau 0000:20:00.0: fifo: fault 00 [READ] at 0000000802006000 engine 1b [CE2] client 00 [GPC0/L1_0] reason 02 [PTE] on channel -1 [25098090000 unknown]
nouveau 0000:20:00.0: systemd-logind[666]: channel 5 killed!
INFO: task kworker/u32:1:24848 blocked for more than 122 seconds.
      Not tainted 5.3.8-arch1-1 #1
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Call Trace:
 ? __schedule+0x27f/0x6d0
 schedule+0x43/0xd0
 schedule_timeout+0x299/0x3d0
 dma_fence_default_wait+0x1b9/0x2c0
 ? dma_fence_wait_timeout+0x110/0x110
 dma_fence_wait_timeout+0x105/0x110
 drm_atomic_helper_wait_for_fences+0x61/0xc0 [drm_kms_helper]
 nv50_disp_atomic_commit_tail+0x7a/0x6c0 [nouveau]
 ? _raw_spin_unlock_irq+0x1d/0x30
 ? finish_task_switch+0x85/0x2e0
 ? __switch_to+0x158/0x460
 process_one_work+0x1d1/0x3a0
 worker_thread+0x4a/0x3d0
 kthread+0xfb/0x130
 ? process_one_work+0x3a0/0x3a0
 ? kthread_park+0x80/0x80
 ret_from_fork+0x22/0x40