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SubjectRe: [regression, bisected] adb trackpad disappears after suspend to ram
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> We are too late in the cycle to revert this commit and it really is needed to
> fix a more serious issue. Nevertheless knowing that it caused the problem to
> appear on your system is also important.
>
> Ben, do you have an idea what may be going on here? Does __disable_irq() mask
> the interrupt on this platform?

I suppose so :-) I'll have to check what's going on, it's not
immediately clear to me.

Cheers,
Ben.

> > To those of you I cc'ed: sorry for the noise, but you were the ones that
> > get_maintainers.pl spit out when asking for *adb*-files.
> >
> > In addition to the diff of the lshal output I posted before, here is the
> > diff in the output of lsadb:
> >
> > --- lsadb-ok.out 2009-05-28 08:53:09.000000000 +0200
> > +++ lsadb-notouchpad.out 2009-05-28 08:55:59.000000000 +0200
> > @@ -1,35 +1,24 @@
> >
> > Devices connected to the ADB-Bus: (PMU: 12)
> >
> > D R raw data decoded data
> > -------------------------------------------------------------------------------------
> > 2.3: [62 c4] Encode Device
> > Apple Macintosh PowerBook G3 Keyboard (ISO layout)
> > Exceptional Event enabled
> > Service Request enabled
> > 2: [ff ff] Qualifier: (not all must be supported)
> > Fn-key Delete Caps-Lock Reset Control
> > Shift Option Apple Num-Lock Scroll-Lock
> > Scroll-Lock-LED Caps-Lock-LED Num-Lock-LED
> > 1: [05 01] Special keys need Fn Key
> > 0:
> >
> > - 3.3: [23 04] Relative-Position Device
> > - Extended Mouse Protokoll
> > - Exceptional Event disabled
> > - Service Request enabled
> > - 2: [08 48 03 00 00 00 00 00]
> > - 1: [74 70 61 64 01 90 03 04] Mouse type: tpad
> > - resolution: 400 dpi
> > - Device class: Trackpad
> > - buttons: 4
> > - 0:
> > -
> > 7.3: [67 1f] Misc. Device
> > Powerbook G3 (Pismo) Button Device
> > Exceptional Event enabled
> > Service Request enabled
> > 2:
> > 1:
> > 0:
> >
> > >
> > > Here is a diff of the output of lshal before and after the trackpad vanished:
> > >
> > > --- lshal-ok.out 2009-05-25 17:00:28.000000000 +0200
> > > +++ lshal-notouchpad.out 2009-05-25 17:04:42.000000000 +0200
> > > @@ -1,5 +1,5 @@
> > >
> > > -Dumping 81 device(s) from the Global Device List:
> > > +Dumping 80 device(s) from the Global Device List:
> > > -------------------------------------------------
> > > udi = '/org/freedesktop/Hal/devices/computer'
> > > info.addons = {'hald-addon-cpufreq'} (string list)
> > > @@ -95,21 +95,6 @@
> > > linux.subsystem = 'input' (string)
> > > linux.sysfs_path = '/sys/devices/virtual/input/input4/event4' (string)
> > >
> > > -udi = '/org/freedesktop/Hal/devices/computer_logicaldev_input_2'
> > > - info.capabilities = {'input', 'input.mouse'} (string list)
> > > - info.category = 'input' (string)
> > > - info.parent = '/org/freedesktop/Hal/devices/computer' (string)
> > > - info.product = 'ADB mouse' (string)
> > > - info.subsystem = 'input' (string)
> > > - info.udi = '/org/freedesktop/Hal/devices/computer_logicaldev_input_2' (string)
> > > - input.device = '/dev/input/event3' (string)
> > > - input.product = 'ADB mouse' (string)
> > > - input.x11_driver = 'evdev' (string)
> > > - linux.device_file = '/dev/input/event3' (string)
> > > - linux.hotplug_type = 2 (0x2) (int)
> > > - linux.subsystem = 'input' (string)
> > > - linux.sysfs_path = '/sys/devices/virtual/input/input3/event3' (string)
> > > -
> > > udi = '/org/freedesktop/Hal/devices/computer_logicaldev_input_1'
> > > info.addons.singleton = {'hald-addon-input'} (string list)
> > > info.capabilities = {'input', 'input.keys', 'button'} (string list)
> > > @@ -1820,6 +1805,6 @@
> > > pci.vendor_id = 4203 (0x106b) (int)
> > >
> > >
> > > -Dumped 81 device(s) from the Global Device List.
> > > +Dumped 80 device(s) from the Global Device List.
> > > ------------------------------------------------
> > >
> > > Please let me know if you need more info.
>
> I'd like to see a boot log, preferably containing a suspend-resume in which
> the problem was reproduced.
>
> Best,
> Rafael



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