From: "Rafael J. Wysocki" <rjw@rjwysocki.net>
To: Jiri Kosina <jikos@kernel.org>
Cc: Hans de Goede <hdegoede@redhat.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing <linux-kernel@vger.kernel.org>,
Benjamin Tissoires <benjamin.tissoires@redhat.com>,
linux-input@vger.kernel.org
Subject: Re: Strange regression in hid_llogitech_dj (was: Re: Linux 5.2-rc4)
Date: Wed, 12 Jun 2019 10:24:22 +0200 [thread overview]
Message-ID: <1875376.0DUQQ8o03D@kreacher> (raw)
In-Reply-To: <nycvar.YFH.7.76.1906112358580.27227@cbobk.fhfr.pm>
On Wednesday, June 12, 2019 12:02:21 AM CEST Jiri Kosina wrote:
> On Tue, 11 Jun 2019, Rafael J. Wysocki wrote:
>
> > I noticed that the cordless mouse used by me with one of the machines here
> > stopped to work in 5.2-rc (up to and including the -rc4).
> >
> > Bisection turned up commit 74808f9115ce ("HID: logitech-dj: add support for non
> > unifying receivers").
> >
> > Of course, that commit does not revert cleanly from 5.2-rc4, but I have reverted
> > the changes made by it in hid/hid-ids.h and I took the version of hid/hid-logitech-dj.c
> > from commit b6aeeddef68d ("HID: logitech-dj: add logi_dj_recv_queue_unknown_work
> > helper"), which is the parent of commit 74808f9115ce, and that made the mouse
> > work again for me.
> >
> > Here's the output of "dmesg | grep -i logitech" from 5.2-rc4 with the above changes:
> >
> > [ 4.288905] usb 1-2: Manufacturer: Logitech
> > [ 5.444621] input: Logitech USB Receiver as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:046D:C52F.0002/input/input23
> > [ 5.446960] hid-generic 0003:046D:C52F.0002: input,hidraw1: USB HID v1.11 Mouse [Logitech USB Receiver] on usb-0000:00:14.0-2/input0
> > [ 5.451265] input: Logitech USB Receiver Consumer Control as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.1/0003:046D:C52F.0003/input/input24
> > [ 5.507545] hid-generic 0003:046D:C52F.0003: input,hiddev96,hidraw2: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-2/input1
>
> Hi Rafael,
>
> 0x046d/0xc52f is known to have issues in 5.2-rcX. There is a patch queued
> [1] that is believed to fix all this; my plan is to send it to Linus in
> the coming 1-2 days. If you could report whether it fixes the issues
> you've been seeing yourself as well, it'd be helpful.
>
> Thanks.
>
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git/commit/?h=for-5.2/fixes&id=3ed224e273ac5880eeab4c3043a6b06b0478dd56
It kind of helps, but there is a catch.
hid-logitech-dj is not loaded after a fresh boot, so I need to modprobe it manually and that
appears to be blocking (apparently indefinitely) until terminated with ^C. But then it turns
out that hid-logitech-dj is there in the list of modules and it is in use (by usbhid) and the
mouse works.
I guess I need to update the mkinitrd configuration, but even so that is not exactly
straightforward IMO. :-)
Cheers!
next prev parent reply other threads:[~2019-06-12 8:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-09 3:46 Linux 5.2-rc4 Linus Torvalds
2019-06-09 8:15 ` Bhaskar Chowdhury
2019-06-11 21:53 ` Strange regression in hid_llogitech_dj (was: Re: Linux 5.2-rc4) Rafael J. Wysocki
2019-06-11 22:02 ` Jiri Kosina
2019-06-12 8:24 ` Rafael J. Wysocki [this message]
2019-06-12 8:31 ` Jiri Kosina
2019-06-12 8:51 ` Rafael J. Wysocki
2019-06-12 9:24 ` Jiri Kosina
2019-07-25 10:07 ` [Regression] 5.3-rc1: hid_llogitech_dj does not work Rafael J. Wysocki
2019-07-25 15:50 ` Hans de Goede
2019-07-29 15:49 ` Hans de Goede
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