Public bug reported:
Bug 1928838 fixed possible kernel panic when doing rfkill block on Intel
Bluetooth controller. The fix was also upstreamed in v5.14-rc1 as commit
0ea9fd001a14e ("Bluetooth: Shutdown controller after workqueues are
flushed or cancelled") and was backported to v5.10.51, v5.12.18, and
v5.13.3. However, as indicated in https://lore.kernel.org/linux-
bluetooth/8735ryk0o7....@baylibre.com/ , it caused a regression to
mtkbtsdio and was then fixed in upstream commit 0ea53674d07f ("
Bluetooth: Move shutdown callback before flushing tx and rx queue")
since v5.15-rc1 and has been backported to v5.14.3. Current statuses:
* v5.10.x:
* 0ea9fd001a14e: backported(v5.10.51), reverted(v5.10.57)
* 0ea53674d07f: backported(v5.10.65), reverted(v5.10.66)
* v5.11.x: N/A
* v5.12.x:
* 0ea9fd001a14e: backported(v5.12.18)
* v5.13.x:
* 0ea9fd001a14e: backported(v5.13.3), reverted(v5.13.9)
* 0ea53674d07f: backported(v5.13.17), reverted(v5.13.18)
* v5.14.x:
* 0ea9fd001a14e: committed(v5.14-rc1)
* 0ea53674d07f: backported(v5.14.3)
* v5.15.x:
* 0ea53674d07f: committed(v5.15-rc1)
As a result, this affects 5.10/11/13 kernels.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: hwe-bluetooth ihv-intel oem-priority originate-from-1940428 somerville
** Tags added: oem-priority originate-from-1940428 somerville
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https://bugs.launchpad.net/bugs/1948898
Title:
Bluetooth HCI reset fail during airplane mode switch stress tests
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