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* [Bug 204585] New: Bluetooth Mouse Polling Rate Regressed to 20hz
@ 2019-08-14 18:22 bugzilla-daemon
  2019-09-08 11:56 ` [Bug 204585] " bugzilla-daemon
                   ` (3 more replies)
  0 siblings, 4 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-08-14 18:22 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=204585

            Bug ID: 204585
           Summary: Bluetooth Mouse Polling Rate Regressed to 20hz
           Product: Drivers
           Version: 2.5
    Kernel Version: Linux arch 5.2.8-arch1-1-ARCH
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Bluetooth
          Assignee: linux-bluetooth@vger.kernel.org
          Reporter: worryag@gmail.com
        Regression: No

The problem arose with Microsoft BluetoothMouse3600. When you turn on the mouse
behaves sluggishly. The evhz utility shows a polling rate of 20Hz. The problem
is solved by changing the max and min values of the connection.

/usr/bin/hcitool con | grep " handle " | awk '{print $5}' | xargs -I {}
/usr/bin/hcitool lecup --handle {}  --min 6 --max 7 --latency 0

Maybe you should change the default value of conn_min_interval and
conn_max_interval.
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/net/bluetooth?h=v5.2.8&id=33401f6ba0d9f23ca5877540375b88d7cd5b1f8f

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* [Bug 204585] Bluetooth Mouse Polling Rate Regressed to 20hz
  2019-08-14 18:22 [Bug 204585] New: Bluetooth Mouse Polling Rate Regressed to 20hz bugzilla-daemon
@ 2019-09-08 11:56 ` " bugzilla-daemon
  2019-09-12 12:47 ` bugzilla-daemon
                   ` (2 subsequent siblings)
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-09-08 11:56 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=204585

Leif Liddy (leif.liddy@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |leif.liddy@gmail.com

--- Comment #1 from Leif Liddy (leif.liddy@gmail.com) ---
I'm seeing this exact same issue with an orochi (2015) mouse on my laptop
running kernel 5.2.11
What'd odd is that this issue isn't present when using this mouse on my other
laptop running the same distro + kernel (but different bluetooth chipset).

Not sure when this issue started exactly, but it was either kernel 5.1.x or
5.2.x.  

The stated hcitool command solves the issue for me. Since hcitool is
deprecated, what is the 'proper' method we're meant to use to implement this
change?

I'm not able to change the polling intervals via debugfs as conn_min_interval
and conn_max_interval don't exist

# find /sys/kernel/debug/bluetooth/hci0 -type f 
/sys/kernel/debug/bluetooth/hci0/le_max_key_size
/sys/kernel/debug/bluetooth/hci0/le_min_key_size
/sys/kernel/debug/bluetooth/hci0/vendor_diag
/sys/kernel/debug/bluetooth/hci0/dut_mode

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* [Bug 204585] Bluetooth Mouse Polling Rate Regressed to 20hz
  2019-08-14 18:22 [Bug 204585] New: Bluetooth Mouse Polling Rate Regressed to 20hz bugzilla-daemon
  2019-09-08 11:56 ` [Bug 204585] " bugzilla-daemon
@ 2019-09-12 12:47 ` bugzilla-daemon
  2019-09-12 12:53 ` bugzilla-daemon
  2019-09-14 13:17 ` bugzilla-daemon
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-09-12 12:47 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=204585

Pavel (pavel@noa-labs.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |pavel@noa-labs.com

--- Comment #4 from Pavel (pavel@noa-labs.com) ---
Created attachment 284937
  --> https://bugzilla.kernel.org/attachment.cgi?id=284937&action=edit
pairing issue capture

I am experiencing pairing issues after reversal

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* [Bug 204585] Bluetooth Mouse Polling Rate Regressed to 20hz
  2019-08-14 18:22 [Bug 204585] New: Bluetooth Mouse Polling Rate Regressed to 20hz bugzilla-daemon
  2019-09-08 11:56 ` [Bug 204585] " bugzilla-daemon
  2019-09-12 12:47 ` bugzilla-daemon
@ 2019-09-12 12:53 ` bugzilla-daemon
  2019-09-14 13:17 ` bugzilla-daemon
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-09-12 12:53 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=204585

--- Comment #5 from Pavel (pavel@noa-labs.com) ---
My device is rapoo 550 made on MXCHIP btle chipset

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* [Bug 204585] Bluetooth Mouse Polling Rate Regressed to 20hz
  2019-08-14 18:22 [Bug 204585] New: Bluetooth Mouse Polling Rate Regressed to 20hz bugzilla-daemon
                   ` (2 preceding siblings ...)
  2019-09-12 12:53 ` bugzilla-daemon
@ 2019-09-14 13:17 ` bugzilla-daemon
  3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2019-09-14 13:17 UTC (permalink / raw)
  To: linux-bluetooth

https://bugzilla.kernel.org/show_bug.cgi?id=204585

--- Comment #6 from Pavel (pavel@noa-labs.com) ---
Guys on https://bbs.archlinux.org/viewtopic.php?id=248133 clearly singled out
the issue as a matter of changes in default settings and conn_min_interval

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