On Thu, Mar 16, 2023 at 08:39:51PM +0100, Diederik de Haas wrote: > On Thursday, 16 March 2023 18:11:27 CET Julien Cristau wrote: > > > I rebooted on 6.1.15-1 last night and things are still looking good so > > > I'll call this fixed. Thanks. > > > > Spoke too soon: > > > [84564.498495] BUG: kernel NULL pointer dereference, address: > > > 0000000000000398 [84564.498502] #PF: supervisor write access in kernel > > > mode > > > [84564.498504] #PF: error_code(0x0002) - not-present page > > > [84564.498506] PGD 4c9444067 P4D 4c9444067 PUD 0 > > > [84564.498510] Oops: 0002 [#1] PREEMPT SMP NOPTI > > > [84564.498512] CPU: 0 PID: 140651 Comm: kworker/0:0 Not tainted > > > 6.1.0-6-amd64 #1 Debian 6.1.15-1 [84564.498516] Hardware name: LENOVO > > > 20XW00ABUS/20XW00ABUS, BIOS N32ET82W (1.58 ) 12/05/2022 [84564.498518] > > > Workqueue: kacpi_notify acpi_os_execute_deferred > > Bummer. > > Since 6.1.8 I found the following 2 commits in drivers/usb/typec/ucsi: > > 3d7f77e55da3455c8844b651e37779c90e201f48 titled > "usb: ucsi: Ensure connector delayed work items are flushed" > > fdd11d7136fd070b3a74d6d8799d9eac28a57fc5 titled > "usb: typec: ucsi: Don't attempt to resume the ports before they exist" > > Especially the first one looks 'promising'. > Can you make a patch which reverts that commit and use 'test-patches' from > https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html > to build a kernel and test that?
The following looks similar, though it is reported to happen on dock unplug. I assume your issue is independent on that? Regards, Salvatore