lkml.org 
[lkml]   [2018]   [Mar]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: rmi4 defunct on T460p [was: [git pull] Input updates for v4.15-rc8]
Hi

On Tue, Feb 13, 2018 at 9:22 AM, Jiri Slaby <jslaby@suse.cz> wrote:
> On 02/09/2018, 02:39 AM, Dmitry Torokhov wrote:
>> On Thu, Feb 08, 2018 at 11:04:22AM +0100, Jiri Slaby wrote:
>>> On 01/19/2018, 06:42 PM, Dmitry Torokhov wrote:
>>>> Please pull from:
>>>>
>>>> git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git for-linus
>>>>
>>>> to receive updates for the input subsystem. You will get:
>>>>
>>> ...
>>>> - touchpad on Lenovo T640p is switched over to SMbus/RMI
>>> ...
>>>
>>>> 王振杰 (1):
>>>> Input: synaptics - Lenovo Thinkpad T460p devices should use RMI
>>>
>>> Hi,
>>>
>>> one of openSUSE users with T460p reports that the touchpad is defunct
>>> after resume in 4.15. psmouse.synaptics_intertouch=0 works around the
>>> problem.
>>>
>>> The problem is:
>>> kernel: rmi4_smbus 8-002c: failed to get SMBus version number!
>>> kernel: rmi4_physical rmi4-00: rmi_driver_reset_handler: Failed to read
>>> current IRQ mask.
>>> kernel: rmi4_f01 rmi4-00.fn01: Failed to restore normal operation: -16.
>>> kernel: rmi4_f01 rmi4-00.fn01: Resume failed with code -16.
>>> kernel: rmi4_physical rmi4-00: Failed to suspend functions: -16
>>> kernel: rmi4_smbus 8-002c: Failed to resume device: -16
>>> kernel: rmi4_f03 rmi4-00.fn03: rmi_f03_pt_write: Failed to write to F03
>>> TX register (-16).
>>>
>>> The downstream bug is at:
>>> https://bugzilla.suse.com/show_bug.cgi?id=1079862
>>>
>>> Any ideas?
>>
>> Hmm, maybe the seuence between psmouse and rmi/smbus is not quite right
>> on resume on that box. Can you ask the reporter to:
>>
>> echo 1 > /sys/power/pm_print_times
>> suspend/resume
>
> He uploaded it here:
> https://bugzilla.suse.com/attachment.cgi?id=759933
>

Same problem (with f27 and upstream kernel), is there anything else we
can do to help? Should we open a bug on http://bugzilla.kernel.org ?

thanks

--
Marc-André Lureau

\
 
 \ /
  Last update: 2018-03-01 14:23    [W:0.060 / U:0.524 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site