Public bug reported:
Redpine BT stops working after resume from S4.
Symptoms:
- The device list is increasing after resume.
- Error after command "hciconfig -a" which as:
Can't read local name on hci0: Connection timed out (110)
The reproduce steps:
1) Go to hibernate mode
$ sudo systemctl hibernate
2) Wakeup system by power recycle
3) Check the bluetooth list
$ hciconfig -a
hci1: Type: Primary Bus: SDIO
BD Address: 00:23:A7:BF:34:F8 ACL MTU: 540:2 SCO MTU: 30:1
DOWN
RX bytes:574 acl:0 sco:0 events:30 errors:0
TX bytes:0 acl:0 sco:0 commands:30 errors:0
Features: 0x3f 0x02 0x04 0x4e 0xc8 0x0d 0x5b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1
Link policy: RSWITCH
Link mode: SLAVE ACCEPT
hci0: Type: Primary Bus: SDIO
BD Address: 00:23:A7:BF:34:F8 ACL MTU: 540:2 SCO MTU: 30:1
UP RUNNING
RX bytes:1238 acl:0 sco:0 events:75 errors:0
TX bytes:0 acl:0 sco:0 commands:75 errors:0
Features: 0x3f 0x02 0x04 0x4e 0xc8 0x0d 0x5b 0x87
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1
Link policy: RSWITCH
Link mode: SLAVE ACCEPT
Can't read local name on hci0: Connection timed out (110)
4) Go to hibernate and wake again(as step 1-2)
5) Try ifconfig command to check wifi device
Result: command no response
This bug is for tracking purposes only, please don't triage.
** Affects: linux-oem (Ubuntu)
Importance: Critical
Status: Confirmed
** Changed in: linux-oem (Ubuntu)
Status: New => Confirmed
** Changed in: linux-oem (Ubuntu)
Importance: Undecided => Critical
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https://bugs.launchpad.net/bugs/1772626
Title:
[Redpine] HCI command timeout after resume from S4
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