OK. This is now a kernel bug.
** No longer affects: gnome-shell (Ubuntu)
** Summary changed:
- Short freezes in Wayland session
+ System keeps briefly freezing with kernel errors "snd_hda_intel :01:00.1:
Disabling via vga_switcheroo" and "snd_hda_intel :01:00.1: Cannot lock
devices!"
After disabling the HDMI sound card, I only get this line, accompanied
by a short freeze.
[ 323.836831] ACPI: \_SB_.PCI0.PEG0.VID_: failed to evaluate _DSM
Any idea how to go about debugging this?
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** This bug is no longer a duplicate of bug 1690719
Mouse randomly pauses/stutters in gnome shell Wayland sessions. It's not
perfectly smooth.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Fedora) via
*** This bug is a duplicate of bug 1690719 ***
https://bugs.launchpad.net/bugs/1690719
Thank you. I do think this is a different issue though.
After all my messing around I now have the same freeze in an Xorg
session occasionally, with dmesg displaying the following at the exact
time of the
*** This bug is a duplicate of bug 1690719 ***
https://bugs.launchpad.net/bugs/1690719
It seems this bug is actually related to this one:
https://bugzilla.redhat.com/show_bug.cgi?id=1564908
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*** This bug is a duplicate of bug 1690719 ***
https://bugs.launchpad.net/bugs/1690719
The mouse movement in Wayland sessions is quite different to Xorg
sessions, and less efficient as it seems to incur screen redraws.
I have not debugged the issue any deeper yet but it's already being
