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Re: Crash caused by hid-rmi and no longer working touchscreen

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From	Jiri Kosina <jikos@kernel.org>
Newsgroups	linux.kernel
Subject	Re: Crash caused by hid-rmi and no longer working touchscreen
Date	Mon, 10 Apr 2017 15:20:03 +0200
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[ a couple more people from "the other regression thread" added to CC ]

On Mon, 10 Apr 2017, Gabriele Mazzotta wrote:

> Hi,
> 
> I'm having troubles with hid-rmi using 4.11-rc6. I'm getting some
> "rmi_hid_read_block: timeout elapsed" errors and ultimately the
> crash you can see at the end of this mail. I will reply to this
> mail with a full log that shows all the errors.
> 
> The problem seems to be caused by commit 279967a65b320d174a507498ae
> ("HID: rmi: Handle all Synaptics touchpads using hid-rmi").
> 
> My laptop has a Synaptics touchpad and a Synaptics touchscreen.
> Because of that commit, hid-rmi is used for both the devices, while
> it has always been used only for the touchpad. Needless to say that
> the touchscreen no longer works.
> 
> If I revert that commit, everything goes back to normal.

Alright, given this is a second regression cause by this switch, I suggest 
to revert this one for 4.11 still, and work on fixing this properly for 
4.12.

If noone raises any objections (a few more people added to Cc), I'll queue 
a 4.11-rc revert tomorrow.

-- 
Jiri Kosina
SUSE Labs

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Thread

Re: Crash caused by hid-rmi and no longer working touchscreen Jiri Kosina <jikos@kernel.org> - 2017-04-10 15:20 +0200
  Re: Crash caused by hid-rmi and no longer working touchscreen Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2017-04-10 20:40 +0200
    Re: Crash caused by hid-rmi and no longer working touchscreen Andrew Duggan <aduggan@synaptics.com> - 2017-04-10 21:50 +0200

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