https://bugzilla.novell.com/show_bug.cgi?id=334587#c4
Martin Wilck changed:
What |Removed |Added
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CC| |martin.wilck@fujitsu-siemens.com
--- Comment #4 from Martin Wilck 2007-10-25 18:24:31 MST ---
On my Fujitsu Siemens Amilo Pro V3205, the synaptics device disappears after
every Suspend-to-RAM/resume cycle.
It can be seen that the corresponding input device is missing from
/proc/input/devices after the resume:
--- id.normal 2007-10-26 01:25:47.000000000 +0200
+++ id.after 2007-10-26 01:33:03.000000000 +0200
@@ -18,16 +18,6 @@
B: EV=40001
B: SND=6
-I: Bus=0011 Vendor=0002 Product=0007 Version=25b1
-N: Name="SynPS/2 Synaptics TouchPad"
-P: Phys=isa0060/serio1/input0
-S: Sysfs=/class/input/input2
-U: Uniq=
-H: Handlers=mouse0 event2
-B: EV=b
-B: KEY=6420 0 70000 0 0 0 0 0 0 0 0
-B: ABS=11000003
-
I: Bus=0019 Vendor=0000 Product=0002 Version=0000
N: Name="Power Button (FF)"
P: Phys=LNXPWRBN/button/input0
Similar problems have been reported repeatedly:
http://bugzilla.kernel.org/show_bug.cgi?id=7977
https://bugs.launchpad.net/ubuntu/+source/linux-source-2.6.20/+bug/59867
The kernel.org bugzilla relates the problem to the following patch:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdif...
This patch was lately reverted:
http://www.mail-archive.com/linux-acpi@vger.kernel.org/msg09329.html
There is no final clue if the patch helps, currently.
cat /proc/acpi/embedded_controller/EC0/info
gpe: 0x17
ports: 0x66, 0x62
use global lock: no
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