I have the same problem. Builtin keyboard and trackpad are not
responsive after resume from suspend. Resume from hybernate is fine.
Laptop model is HP Pavilion tx 2100, kernel 2.6.31-17-generic (Ubuntu
9.10).
dmesg | grep keyboard returns
[1.495133] input: AT Translated Set 2 keyboard as
/devices/platform/i8042/serio0/input/input5
A similar complaint was filed with earlier versions of Ubuntu
(https://bugs.launchpad.net/ubuntu/+source/linux-
source-2.6.20/+bug/83243) and comment 14
(https://bugs.launchpad.net/ubuntu/+source/linux-
source-2.6.20/+bug/83243/comments/14) suggested it could be a problem
with i8042 driver which affected various Linux distributions. His
solution was to unload the driver before suspend and load it on resume;
I am not sure about the right way to do it so I cannot test it. Any
hints will be appreciated.
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Built-in keyboard and mouse non-functional after resume
https://bugs.launchpad.net/bugs/421538
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