This bug was fixed in the package linux-firmware -
20250317.git1d4c88ee-0ubuntu1.2
---------------
linux-firmware (20250317.git1d4c88ee-0ubuntu1.2) plucky; urgency=medium
* [SRU] Fix hardware error 0x85 of WCN785x bluetooth (LP: #2107603)
- QCA: Update WCN785x btusb firmware to 2.0.0-00790-3
* Silent bluetooth failure (LP: #2109876)
- linux-firmware: Update firmware file for Intel BlazarI core
* Update GuC firmware to v70.44.1 (LP: #2111517)
- xe: Update GUC to v70.44.1 for BMG and LNL
-- Juerg Haefliger <[email protected]> Fri, 30 May 2025
11:04:25 +0200
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https://bugs.launchpad.net/bugs/2107603
Title:
[SRU] Fix hardware error 0x85 of WCN785x bluetooth
Status in HWE Next:
Fix Committed
Status in linux-firmware package in Ubuntu:
Fix Committed
Status in linux-firmware source package in Noble:
Fix Released
Status in linux-firmware source package in Oracular:
Fix Released
Status in linux-firmware source package in Plucky:
Fix Released
Bug description:
[Impact]
When run checkbox testcase of "bluetooth_obex_send" or "hcitool inq",
QCA WCN785x bluetooth encountered the following error:
kernel: Bluetooth: hci0: hardware error 0x85
kernel: Bluetooth: hci0: HCI reset during shutdown failed
[Fix]
QCA updated the firmware version to 2.0.0-00790-3 to fix it.
linux-fimware commit:
7253e6610 QCA: Update WCN785x btusb firmware to 2.0.0-00790-3
[Test]
Tested on the hardware, testcase of "bluetooth_obex_send" or "hcitool inq"
passed.
[Where problems could occur]
It may break QCA WCN785x bluetooth support.
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