Re: [Regression] Logitech BT mouse unusable after commit 532223c8ac57 (still in 6.1-rc8)

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On Tue, Dec 13, 2022 at 5:14 PM Bastien Nocera <hadess@xxxxxxxxxx> wrote:
>
> On Thu, 2022-12-08 at 16:20 +0100, Bastien Nocera wrote:
> > On Wed, 2022-12-07 at 18:44 +0100, Rafael J. Wysocki wrote:
> > > On Wed, Dec 7, 2022 at 6:19 PM Bastien Nocera <hadess@xxxxxxxxxx>
> > > wrote:
> > > >
> > > > On Wed, 2022-12-07 at 12:07 +0100, Rafael J. Wysocki wrote:
> > > > > # hidpp-list-features /dev/hidraw1
> > > > > Bluetooth Mouse M336/M337/M535 (046d:b016) is a HID++ 4.5
> > > > > device
> > > > > Feature 0x01: [0x0001] Feature set
> > > > > Feature 0x02: [0x0003] Device FW version
> > > > > Feature 0x03: [0x0005] Device name
> > > > > Feature 0x04: [0x0020] Reset
> > > > > Feature 0x05: [0x1e00] Enable hidden features (hidden)
> > > > > Feature 0x06: [0x1800] Generic Test (hidden, internal)
> > > > > Feature 0x07: [0x1000] Battery status
> > > > > Feature 0x08: [0x1b04] Reprog controls v4
> > > > > Feature 0x09: [0x2100] Vertical scrolling
> > > > > Feature 0x0a: [0x2200] Mouse pointer
> > > > > Feature 0x0b: [0x2205] Pointer speed
> > > > > Feature 0x0c: [0x18b1] ? (hidden, internal)
> > > > > Feature 0x0d: [0x2121] Hi-res wheel
> > > > > Feature 0x0e: [0x1f03] ? (hidden, internal)
> > > >
> > > > Would you be able to enable debugging for the hid subsystem to
> > > > get
> > > > some
> > > > debug data when getting the version from the device fails?
> > >
> > > I guess I could, but I think that the device is just quirky.
> > >
> > > At least the BT layer appears to think that it is connected.
> > >
> > > Anyway, what exactly do you need?
> > >
> > > > I can't see any problems in there that wouldn't also have
> > > > impacted
> > > > all
> > > > the other Logitech Bluetooth devices listed in the support
> > > > devices
> > > > list.
> > > >
> > > > If the problem is a timeout, maybe we should lower the timeouts
> > > > we
> > > > currently have (5*HZ = 5 seconds, right?), so we can retry 5
> > > > times
> > > > one
> > > > second instead.
> > >
> > > No, it doesn't take 5 sec to get a response from it.  It rather
> > > looks
> > > like __hidpp_send_report() returns an error.
> >
> > Adding "debug" on the kernel command-line should be enough to get
> > debug
> > out of hidpp_send_message_sync():
> > https://stackoverflow.com/a/63682160
> >
> > Either that or turn all the dbg_hid() into hid_err() if you're going
> > to
> > be compiling the kernel.
> >
> > We're mainly interested in the error code from the device, as that's
> > what I'm guessing is caused the error to propagate.
>
> Can you also check whether you had:
> https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git/commit/?id=8b7e58409b1813c58eea542d9f3b8db35b4ac1f7
> in your git tree?
>
> Would be great to know whether that commit helps at all.

No, it's not present in the kernels I've tested so far.



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