This bug was fixed in the package linux - 5.8.0-22.23
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linux (5.8.0-22.23) groovy; urgency=medium
* groovy/linux: 5.8.0-22.23 -proposed tracker (LP: #1899099)
* Packaging resync (LP: #1786013)
- update dkms package versions
* oops in nvkm_udevice_info() [nouveau] (LP: #
Upstream proposed a fix that works for me:
https://lists.freedesktop.org/archives/nouveau/2020-October/037069.html
** Changed in: linux (Ubuntu)
Status: Confirmed => In Progress
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => dann frazier (dannf)
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Reported upstream:
http://lkml.iu.edu/hypermail/linux/kernel/2010.0/02256.html
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https://bugs.launchpad.net/bugs/1898130
Title:
oops in nvkm_udevice_info() [nouveau]
Status
focal didn't have this problem, so I bisected v5.4..v5.8 to discover
when it was introduced and hit:
commit 24d5ff40a732633dceab68c6559ba723784f4a68
Author: Karol Herbst
Date: Tue Apr 28 18:54:02 2020 +0200
drm/nouveau/device: rework mmio mapping code to get rid of second map
Fixe
Also impacts latest upstream:
[ 213.131657] nouveau :07:00.0: unknown chipset (17a1)
[ 213.138547] nouveau :07:00.0: unknown chipset (17a1)
[ 213.144938] BUG: kernel NULL pointer dereference, address:
[ 213.152704] #PF: supervisor read access in kernel mode
[
apport information
** Description changed:
The 5.8.0-20.21 reliably trips an Oops on startup when initializing the
nouveau driver.
+
+ [ 221.032875] nouveau :07:00.0: unknown chipset (17a1)
+ [ 221.039893] nouveau :07:00.0: unknown chipset (17a1)
+ [ 221.046328] BUG: kerne
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