[Bug 215167] Bluetooth: hci0: command 0xfc05 tx timeout
From: bugzilla-daemon@kernel.org
Date: 2022-06-15 10:12:55
https://bugzilla.kernel.org/show_bug.cgi?id=215167
--- Comment #37 from Ievgen Popovych (jmennius@gmail.com) ---So I was trying to reproduce, kept the trace running for a few days or more, but then it never happened and I've stopped tracing. Now it happened again, on Fedora kernel 5.17.11, when waking up from suspend. As I am looking though the logs there were total of 4 occurrences of "Reading Intel version command failed", but I think only today I've noticed BT not working and having to do the rmmod dance (few times to fix it).
Jun 15 10:19:54 ievgen-xps kernel: Bluetooth: hci0: Opcode 0x c01 failed: -110 Jun 15 10:19:54 ievgen-xps kernel: Bluetooth: hci0: command 0x0c01 tx timeout Jun 15 10:19:56 ievgen-xps systemd-sleep[311042]: System returned from sleep state. Jun 15 10:19:56 ievgen-xps bluetoothd[876]: Controller resume with wake event 0x0 Jun 15 10:19:56 ievgen-xps kernel: Bluetooth: hci0: command 0x0c1a tx timeout Jun 15 10:19:56 ievgen-xps kernel: Bluetooth: hci0: Opcode 0x c1a failed: -110 Jun 15 10:19:56 ievgen-xps kernel: PM: suspend exit Jun 15 10:19:56 ievgen-xps systemd[1]: Starting systemd-rfkill.service - Load/Save RF Kill Switch Status... Jun 15 10:19:56 ievgen-xps systemd[1]: Stopped target bluetooth.target - Bluetooth Support. Jun 15 10:19:56 ievgen-xps systemd[1665]: Stopped target bluetooth.target - Bluetooth. Jun 15 10:19:56 ievgen-xps systemd[1]: Started systemd-rfkill.service - Load/Save RF Kill Switch Status. Jun 15 10:19:56 ievgen-xps kernel: usb 1-4: new full-speed USB device number 39 using xhci_hcd Jun 15 10:19:56 ievgen-xps kernel: usb 1-4: New USB device found, idVendor=8087, idProduct=0029, bcdDevice= 0.01 Jun 15 10:19:56 ievgen-xps kernel: usb 1-4: New USB device strings: Mfr=0, Product=0, SerialNumber=0 Jun 15 10:19:56 ievgen-xps upowerd[902]: treating change event as add on /sys/devices/pci0000:00/0000:00:14.0/usb1/1-4 Jun 15 10:19:56 ievgen-xps systemd[1]: Reached target bluetooth.target - Bluetooth Support. Jun 15 10:19:56 ievgen-xps systemd[1665]: Reached target bluetooth.target - Bluetooth.
...
Jun 15 10:19:58 ievgen-xps kernel: Bluetooth: hci0: command 0xfc05 tx timeout Jun 15 10:19:58 ievgen-xps kernel: Bluetooth: hci0: Reading Intel version command failed (-110)
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