Kernel bug and system freeze when unplugging Thinkpad dock

Bug #2068114 reported by Eero Aaltonen
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
NVIDIA Drivers Ubuntu
New
Undecided
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Bug Description

After update to nvidia-driver-535:amd64 535.179-0ubuntu0.22.04.1
with kernel version linux-image-6.5.0-35-generic 6.5.0-35.35~22.04.1

unplugging the Lenovo ThinkPad Thunderbolt 3 Dock Gen 2 with two monitors in displayport connectors will result in the system freezing due to kernel bug.

The following entries can be found in the journal:

kernel: [drm:nv_drm_master_set [nvidia_drm]] *ERROR* [nvidia-drm] [GPU ID 0x00000100] Failed to grab modeset ownership
kernel: BUG: kernel NULL pointer dereference, address: 00000000000003b9
kernel: #PF: supervisor read access in kernel mode
kernel: #PF: error_code(0x0000) - not-present page

The previous working version of nvidia-drivers was 535.171.04-0ubuntu0.22.04.1

Eero Aaltonen (ejn)
description: updated
Eero Aaltonen (ejn)
description: updated
Eero Aaltonen (ejn)
description: updated
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