Public bug reported:
[Impact]
The issue has been found on new Dell laptop with DW1820 combo card(BT is
[0cf3:e007])
1) Use wireless hotkey to turn off WiFi/BT.
2) Wait 5 minutes.
3) Use wireless hotkey to turn on WiFi/BT.
4) Wifi is back, but BT is still off
5) Only reboot can recovery the BT state
[Fix]
Qualcomm releases a new firmware to fix it.
[Regression Potential]
Can't evaluate it, but from our verification and S3 stress test,
there is no any issues result from the firmwares.
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux-firmware (Ubuntu)
Importance: Undecided
Assignee: AceLan Kao (acelankao)
Status: In Progress
** Tags: originate-from-1789327 somerville
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2018-5383
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https://bugs.launchpad.net/bugs/1796634
Title:
[0cf3:e007] Can't turn on BT by Wireless hotkey
Status in HWE Next:
New
Status in linux-firmware package in Ubuntu:
In Progress
Bug description:
[Impact]
The issue has been found on new Dell laptop with DW1820 combo card(BT is
[0cf3:e007])
1) Use wireless hotkey to turn off WiFi/BT.
2) Wait 5 minutes.
3) Use wireless hotkey to turn on WiFi/BT.
4) Wifi is back, but BT is still off
5) Only reboot can recovery the BT state
[Fix]
Qualcomm releases a new firmware to fix it.
[Regression Potential]
Can't evaluate it, but from our verification and S3 stress test,
there is no any issues result from the firmwares.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1796634/+subscriptions
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