Hi Paul, On Mon, Jul 11, 2022 at 12:14 PM Paul Menzel <pmenzel@xxxxxxxxxxxxx> wrote: > > Dear Linux folks, > > > On a Dell Latitude E7250 with > > Bus 001 Device 003: ID 8087:0a2a Intel Corp. Bluetooth wireless > interface > > with Debian sid/unstable upgrading from Linux 5.18.5 to 5.19-rc4 results > in a regression, where the system does not suspend or does not power > off. Linux logs earlier: > > ``` > [ 242.677813] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" > disables this message. > [ 242.677818] task:kworker/u9:1 state:D stack: 0 pid: 379 ppid: > 2 flags:0x00004000 > [ 242.677831] Workqueue: hci0 hci_power_on [bluetooth] > [ 242.677934] Call Trace: > [ 242.677938] <TASK> > [ 242.677946] __schedule+0x30b/0x9f0 > [ 242.677961] ? enqueue_entity+0x1a1/0x520 > [ 242.677973] schedule+0x4e/0xb0 > [ 242.677981] schedule_timeout+0x115/0x150 > [ 242.677993] ? resched_curr+0x20/0xb0 > [ 242.678004] ? preempt_count_add+0x68/0xa0 > [ 242.678013] __wait_for_common+0x93/0x1d0 > [ 242.678022] ? usleep_range_state+0x90/0x90 > [ 242.678034] __flush_work.isra.0+0x160/0x220 > [ 242.678044] ? flush_workqueue_prep_pwqs+0x110/0x110 > [ 242.678052] __cancel_work_timer+0x104/0x190 > [ 242.678060] ? led_trigger_event+0x1d/0x60 > [ 242.678067] ? led_trigger_event+0x1d/0x60 > [ 242.678073] hci_dev_close_sync+0x27/0x540 [bluetooth] > [ 242.678183] hci_dev_do_close+0x26/0x60 [bluetooth] > [ 242.678253] hci_power_on+0x8c/0x260 [bluetooth] > [ 242.678337] ? __schedule+0x313/0x9f0 > [ 242.678347] process_one_work+0x1e5/0x3b0 > [ 242.678357] ? rescuer_thread+0x390/0x390 > [ 242.678364] worker_thread+0x50/0x3a0 > [ 242.678373] ? rescuer_thread+0x390/0x390 > [ 242.678380] kthread+0xe8/0x110 > [ 242.678387] ? kthread_complete_and_exit+0x20/0x20 > [ 242.678394] ret_from_fork+0x22/0x30 > [ 242.678409] </TASK> > ``` > > `sudo modprobe -r btusb` also hangs: > > [ 4115.987537] usbcore: deregistering interface driver btusb > [ 4116.128277] Bluetooth: hci0: urb 00000000434e95f7 failed to > resubmit (2) > > Please find the output of `dmesg` attached. https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth.git/commit/?id=e36bea6e78ab2b6c9c7396972fee231eae551cfc -- Luiz Augusto von Dentz
