This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1912947
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
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the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1912947
Title:
bluetooth: hci0: failed to restart LE scan: status 31
Status in linux package in Ubuntu:
Incomplete
Bug description:
Sometimes Redmi AirDots headphones hang bluetooth connection without
any chance to restore it:
[ 93.521009] input: Redmi AirDots_R (AVRCP) as
/devices/virtual/input/input23
[ 182.566859] Bluetooth: hci0: failed to restart LE scan: status 31
[ 182.566863] Bluetooth: hci0: command 0x200c tx timeout
[ 184.582786] Bluetooth: hci0: command 0x200c tx timeout
[ 184.582804] Bluetooth: hci0: failed to disable LE scan: status 0x1f
[ 186.598690] Bluetooth: hci0: command 0x200c tx timeout
[ 230.006140] Bluetooth: hci0: link tx timeout
[ 230.006151] Bluetooth: hci0: killing stalled connection 1c:52:16:9c:b2:62
[ 232.037806] Bluetooth: hci0: command 0x0406 tx timeout
[ 234.053788] Bluetooth: hci0: command 0x0402 tx timeout
[ 234.053795] Bluetooth: hci0: No way to reset. Ignoring and continuing
[ 236.069748] Bluetooth: hci0: command 0x200c tx timeout
[ 236.069752] Bluetooth: hci0: No way to reset. Ignoring and continuing
[ 239.521344] Bluetooth: hci0: link tx timeout
[ 239.521352] Bluetooth: hci0: killing stalled connection 1c:52:16:9c:b2:62
[ 239.998701] Bluetooth: hci0: link tx timeout
[ 239.998707] Bluetooth: hci0: killing stalled connection 1c:52:16:9c:b2:62
[ 242.001218] Bluetooth: hci0: link tx timeout
[ 242.001226] Bluetooth: hci0: killing stalled connection 1c:52:16:9c:b2:62
[ 242.001276] Bluetooth: hci0: link tx timeout
[ 242.001284] Bluetooth: hci0: killing stalled connection 1c:52:16:9c:b2:62
[ 244.005643] Bluetooth: hci0: command 0x0405 tx timeout
[ 244.005650] Bluetooth: hci0: No way to reset. Ignoring and continuing
[ 246.021612] Bluetooth: hci0: command 0x0408 tx timeout
[ 246.021620] Bluetooth: hci0: No way to reset. Ignoring and continuing
[ 248.037630] Bluetooth: hci0: command 0x0408 tx timeout
[ 248.037637] Bluetooth: hci0: No way to reset. Ignoring and continuing
[ 250.053611] Bluetooth: hci0: command 0x0408 tx timeout
[ 250.053618] Bluetooth: hci0: No way to reset. Ignoring and continuing
[ 344.027978] Bluetooth: hci0: link tx timeout
[ 344.027989] Bluetooth: hci0: killing stalled connection 1c:52:16:9c:b2:62
[ 346.053017] Bluetooth: hci0: command 0x0408 tx timeout
[ 346.053025] Bluetooth: hci0: No way to reset. Ignoring and continuing
[ 367.684879] Bluetooth: hci0: link tx timeout
[ 367.684887] Bluetooth: hci0: killing stalled connection 1c:52:16:9c:b2:62
[ 369.700803] Bluetooth: hci0: command 0x0408 tx timeout
[ 369.700811] Bluetooth: hci0: No way to reset. Ignoring and continuing
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