Re: Status of Regression/Bug 13407 adb trackpad disappears aftersuspend to ram?

From: Benjamin Herrenschmidt
Date: Sun Sep 27 2009 - 23:28:25 EST


On Sun, 2009-09-27 at 20:10 +0200, Martin Wache wrote:
> Hi,
>
> Rafael J. Wysocki schrieb:
>
> > A patch has been submitted which is reported to fix the issue:
> >
> > http://patchwork.kernel.org/patch/49462/
> >
> > Please test it as requested.
> >
> Thank you for the info :-)
>
> Unfortunately, applying the patch on top of 2.6.31 doesn't improve the
> situation for me, rather the opposite. Under X I get no reaction on any
> keypress on the keyboard or movement on the trackpad. Even plugging in
> an USB mouse and keyboard didn't help, the usb port doesn't provide an
> power to the mouse (at least the led in the mouse doesn't light up).
> Before X starts up the keyboard does respond, also the trackpad seems to
> be detected. Doing a suspend/resume cycle doesn't change the situation.

That looks like a different problem than the one I fixed. Is there an
email thread or a bugzilla entry that describes the setup precisely, the
symptoms, kernel logs etc... ?

> I'm not sure if there was a miscompilation, I didn't do a "make clean",
> I just applied the patch and did a "make". Should this be enough?
> Compiling the whole kernel unfortunately takes quite a while on my iBook :-(
> I will see if I can connect to the iBook via net and get some
> information on what is happening, or maybe I try to start it up without
> X. Would it help you if I send you the logs, etc? Which information
> would help you?

Start with sending the dmesg, the output of cat /proc/cpuinfo, and the
Xorg log (/var/log/Xorg.0.log)

Cheers,
Ben.

> Thanks,
>
> Martin

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