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* [Bug 213923] New: Bluetooth: AC9560 doesn't respond any more after suspend multiple times
@ 2021-07-30  5:37 bugzilla-daemon
  2021-08-02  8:28 ` [Bug 213923] " bugzilla-daemon
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: bugzilla-daemon @ 2021-07-30  5:37 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=213923

            Bug ID: 213923
           Summary: Bluetooth: AC9560 doesn't respond any more after
                    suspend multiple times
           Product: Drivers
           Version: 2.5
    Kernel Version: v5.14-rc3
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: high
          Priority: P1
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: koba.ko@canonical.com
        Regression: No

Created attachment 298119
  --> https://bugzilla.kernel.org/attachment.cgi?id=298119&action=edit
lsusb

1. Turn BT off.
2. suspend(deep) and resume 10times.
3. can't open BT again
#[failed]rfkill unblock bluetooth
#[failed]sudo hciconfig hci0 up.
4. status of hci is always down.
#sudo hciconfig -a

Once issue appeare, get these errors
[ 877.194032] Bluetooth: hci0: urb 0000000061b9a002 failed to resubmit (113)
[ 886.941327] Bluetooth: hci0: Failed to read MSFT supported features (-110)

it's related to mstf feature.
1. Remove MSTF from configuration, issue wouldn't be triggered.
2. revert this patch, issue wouldn't be observed.
4a37682c6b59c8888acf93117362d761c5923a69 Bluetooth: advmon offload MSFT handle

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* [Bug 213923] Bluetooth: AC9560 doesn't respond any more after suspend multiple times
  2021-07-30  5:37 [Bug 213923] New: Bluetooth: AC9560 doesn't respond any more after suspend multiple times bugzilla-daemon
@ 2021-08-02  8:28 ` bugzilla-daemon
  2021-08-06  7:18 ` bugzilla-daemon
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2021-08-02  8:28 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=213923

--- Comment #2 from KobaKo (koba.ko@canonical.com) ---
Created attachment 298149
  --> https://bugzilla.kernel.org/attachment.cgi?id=298149&action=edit
dmesg_20210802

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* [Bug 213923] Bluetooth: AC9560 doesn't respond any more after suspend multiple times
  2021-07-30  5:37 [Bug 213923] New: Bluetooth: AC9560 doesn't respond any more after suspend multiple times bugzilla-daemon
  2021-08-02  8:28 ` [Bug 213923] " bugzilla-daemon
@ 2021-08-06  7:18 ` bugzilla-daemon
  2021-08-18 15:28 ` bugzilla-daemon
  2021-08-18 17:08 ` bugzilla-daemon
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2021-08-06  7:18 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=213923

--- Comment #4 from KobaKo (koba.ko@canonical.com) ---
Here's a full btmon log during reproducing issue.
https://drive.google.com/file/d/1wSn1wugdp73ntt0tsYoxfdu-SRgumECv/view?usp=sharing

btmon_20210802 is only contained btmon log after turn on bt.

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* [Bug 213923] Bluetooth: AC9560 doesn't respond any more after suspend multiple times
  2021-07-30  5:37 [Bug 213923] New: Bluetooth: AC9560 doesn't respond any more after suspend multiple times bugzilla-daemon
  2021-08-02  8:28 ` [Bug 213923] " bugzilla-daemon
  2021-08-06  7:18 ` bugzilla-daemon
@ 2021-08-18 15:28 ` bugzilla-daemon
  2021-08-18 17:08 ` bugzilla-daemon
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2021-08-18 15:28 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=213923

Chethan T N (chethan.tumkur.narayan@intel.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |chethan.tumkur.narayan@inte
                   |                            |l.com

--- Comment #5 from Chethan T N (chethan.tumkur.narayan@intel.com) ---
Would you please help to provide more details on the test setup and test case.

Setup details:
Linux distribution : Ubuntu/Fedora  ??
kernel version: 5.xx??
Model name: ??

From the logs shared looks like one every suspend/resume Bluetooth device is
getting enumerated and FW download sequence is initiated.

May i know why the above behavior ?

And also noticed that in most of the suspend/resume flow during the FW download
sequence itself the system is entering the suspend state.

//System entering SUSPEND State 
37213   2021-08-06 12:39:52.879966      host    controller      252            
                Sent Intel Secure Send

//System RESUME state
37222   2021-08-06 12:40:16.529947      host    controller      3              
                Sent Intel Read Version 

May i know why the above behavior?

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* [Bug 213923] Bluetooth: AC9560 doesn't respond any more after suspend multiple times
  2021-07-30  5:37 [Bug 213923] New: Bluetooth: AC9560 doesn't respond any more after suspend multiple times bugzilla-daemon
                   ` (2 preceding siblings ...)
  2021-08-18 15:28 ` bugzilla-daemon
@ 2021-08-18 17:08 ` bugzilla-daemon
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2021-08-18 17:08 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=213923

--- Comment #6 from KobaKo (koba.ko@canonical.com) ---
@Chethan,
Im using Ubuntu to reproduce on JSL platform.
the issue could be observed since 5.14rc3 only with AC9560.
With ax210, there's no issue.

The suspend&resume is a normal behavior when you don't use notebook any more
and  suspend notebook for the power saving.
User wouldn't know if bt fw is downloading when user want to suspend the his
notebook.

I just use a scripts to run suspend&resume automatically.
#for i in $(seq 10);do sleep 10;sudo rtcwake -m mem -s 10;done

you also can suspend by pushing suspend button manually.

Could you share what's correct hw_variant of ac9560?
0x11 or 0x13?

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