Comment 135 for bug 285392

I have an error message like this:
dmesg|grep soft
[ 1.352016] ata1: softreset failed (device not ready)
[ 306.004014] ata1: softreset failed (device not ready)
[11885.728014] ata1: softreset failed (device not ready)
[16652.908014] ata1: softreset failed (device not ready)

May be it is not a problem, but I use suspending to RAM very often. I see these messages on waking up and sometimes, my notebook does not wake up. I think it is because of these errors. When my system tries to wake up, it can be kernel panic with message like this: attempted to kill init. Sometimes I see my desktop and mouse cursor, but I can't run any application. I saw IO errors, may be my system tries to read information from hard disk. I hoped it would be fixed in the Karmic, but it was not. How can I take my system stable? What should I do?

p.s. Sorry for bad english