Re: 4.0.0-rc mouse/keyboard events get stuck

[Hans de Bruin]

On 04/08/2015 05:29 PM, Hans de Goede wrote:
> Hi,
>
> On 08-04-15 12:59, Hans de Bruin wrote:
> > On 04/06/2015 11:23 PM, Dmitry Torokhov wrote:
> > > Hi Hans,
> > >
> > > On Mon, Apr 6, 2015 at 11:39 AM, Hans de Bruin <jmdebruin@xxxxxxxxx>
> > > wrote:
> > > > Since 4.0.0-rc something mu laptop has some mouse /keyboard problems.
> > > > When I play KDE kpatience, a card game, card stick to my
> > > > mousepointer: left
> > > > mouse button down on a card, move mouse pointer and card to another
> > > > place.
> > > > left mouse button up to drop the card. This should drop the card,
> > > > but often
> > > > the mouse button up events gets stuck somewhere until I move he mouse
> > > > pointer a little bit.
> > > > In web based mail clients something similar happens when I drag mail to
> > > > another folder.
> > > > Sometime after I start a xterm and start typing, the letters don't
> > > > appear
> > > > until move the mouse pointer.
> > > >
> > > > Bisecting is out of the question. This kernel realease was so
> > > > dramatic I was
> > > > glad to have functioning kde screen when rc4 arrived.
> > > >
> > > > My laptop is a Dell Latitude D430, it has a touchpad and a pointer
> > > > an two
> > > > sets of buttons.
> > > >
> > > > dmesg
> > > > [    0.636492] input: AT Translated Set 2 keyboard as
> > > > /devices/platform/i8042/serio0/input/input4
> > > > [    0.633108] mousedev: PS/2 mouse device common for all mice
> > > > [   80.543044] input: PS/2 ALPS Mouse as
> > > > /devices/platform/i8042/serio1/input/input8
> > >
> > > Linus just merged 2 fixes to ALPS driver that might help you. Could
> > > you please try compiling tip of the tree and telling me if it fixes
> > > your issue?
> >
> > I am at rc.7 and the problem is still there. But maybe you can get
> > away with "user error". Here is a picture of the layout of my laptop:
> >
> > http://img.clubic.com/000000DC00604500-photo-dell-latitude-d430-4.jpg
> >
> > Lets call the blue thing ts. The buttons directly beneath the keys
> > ts-l and ts-r. For the touchpad tp, tp-l and tp-r. And because one can
> > never have to many input devices um, um-l and um-r for a usb mouse.
> >
> > When I play kpatience and stick to one device ts or ts-l or mp and
> > mp-l no problems arise. I can also mix devices for example um and
> > tp-l. There are several combinations. Only one of these ts and tp-l
> > show the problematic behavior. This is the way i use my laptop (user
> > error?)
>
> Ok, this one is a regression which is caused by:
>
> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/input/mouse/alps.c?id=04aae283ba6a8cd4851d937bf9c6d6ef0361d794
>
>
> I've attached a fix which I will formally send / submit upstream in a
> few minutes too.

This patch fixes the regression on my laptop. Thanks for the quick response.

--
Hans

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