Bug 214863 - Intel AX200 "Bluetooth: hci0: failed to restart LE scan: status 31"
Summary: Intel AX200 "Bluetooth: hci0: failed to restart LE scan: status 31"
Status: RESOLVED WILL_NOT_FIX
Alias: None
Product: Drivers
Classification: Unclassified
Component: Bluetooth (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: linux-bluetooth@vger.kernel.org
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2021-10-29 02:02 UTC by Kai-Heng Feng
Modified: 2022-04-14 02:12 UTC (History)
0 users

See Also:
Kernel Version: mainline, bluetooh-next
Subsystem:
Regression: No
Bisected commit-id:

Attachments
dmesg with dyndbg enabled (1.98 MB, text/plain)
2021-10-29 02:03 UTC, Kai-Heng Feng 		Details
btmon (92.00 KB, text/plain)
2021-10-29 02:03 UTC, Kai-Heng Feng 		Details
Add an attachment (proposed patch, testcase, etc.)

Description Kai-Heng Feng 2021-10-29 02:02:51 UTC 
Device: AX200
Bus 001 Device 002: ID 8087:0029 Intel Corp. 

Kernel: bluetooth-next
HEAD 2128939fe2e771645dd88e1938c27fdf96bd1cd0 ("Bluetooth: Fix removing adv when processing cmd complete")

Reproduce step:
1) Open GNOME Settings' Bluetooh panel and let it continuously scan
2) Keep `rkfill block` and `rfkill unblock` loop.

Result:
Bluetooth stops working:
[   29.706981] Bluetooth: hci0: failed to restart LE scan: status 31
Comment 1 Kai-Heng Feng 2021-10-29 02:03:25 UTC 
Created attachment 299357 [details]
dmesg with dyndbg enabled
Comment 2 Kai-Heng Feng 2021-10-29 02:03:41 UTC 
Created attachment 299359 [details]
btmon
Comment 3 Kai-Heng Feng 2022-04-14 02:12:24 UTC 
With latest kernel/firmware, the error still shows but Bluetooth seems to continue to work.
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