If there's a kernel stack trace mentioning
"drm_atomic_nonblocking_commit" around the same time then please also
paste that here. It's not yet clear if this is mutter or the kernel's
fault.
Likely workaround: Add to /etc/environment
MUTTER_DEBUG_FORCE_KMS_MODE=simple
and then reboot.
** Summary changed:
- Mouse pointer disappears on the second screen
+ Mouse pointer disappears on the second screen [Failed to post KMS update:
drmModeAtomicCommit: Device or resource busy]
** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu)
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: cursor multimonitor
** Tags added: i915
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Desktop Bugs, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/2003998
Title:
Mouse pointer disappears on the second screen [Failed to post KMS
update: drmModeAtomicCommit: Device or resource busy]
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