Ubuntu
xserver-xorg-video-nouveau package

nouveau driver spams dmesg with SCHED_ERROR

Bug #1849637 reported by Mathieu Tarral
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
nouveau-firmware (Ubuntu)
New
Undecided
Unassigned
xserver-xorg-video-nouveau (Ubuntu)
New
Undecided
Unassigned

Bug Description

Hi,

Since the upgrade from 19.04 to 19.10, the nouveau driver is continuously spamming dmesg output
with

nouveau 0000:01:00.0: fifo: SCHED_ERROR 08 []

-> lsb_release
Description: Ubuntu 19.10
Release: 19.10

-> hardware
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics 630 (Mobile)
01:00.0 VGA compatible controller: NVIDIA Corporation TU106M [GeForce RTX 2060 Mobile] (rev a1)

Tags: nouveau
Revision history for this message
Mathieu Tarral (mathieu-tarral) wrote :
Revision history for this message
Mathieu Tarral (mathieu-tarral) wrote :

Hi,

I discovered that this big is triggered when I try to suspend my laptop.
The laptop is never suspended, and the nouveau driver just continues to spam dmesg.

Revision history for this message
Mathieu Tarral (mathieu-tarral) wrote :

Hi,

I tried again to switch on the nouveau driver, to see if there were any updates that had this bug fixed, but still crashing.

It crashing random, after a few minutes on the desktop, browsing the web.

Here is the new log, we can see a stacktrace.

Revision history for this message
Mathieu Tarral (mathieu-tarral) wrote :

I added a recording of dmesg output where we can see the nouveau driver crashing.

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