The problems of freezes after waking up from suspend continued for me
for many months after my comment at the end of 2008. Recently, the
computer froze on me at one point and which needed a hard reset. After
rebooting, smart monitor (smartmontools) did not report any problems and
I completed short and long harddrive checks without encountering any
errors.

Hence, opened up the the laptop, took out the harddrive, cleaned the
SATA contacts and put it back in. This seemed to improve the situation
for some days. However, delays appeared again later on. I was very
uncomfortable with this situation and did not trust the harddrive
anymore. Hence, I bought a new SSD drive to replace it. While I was at
it, I switched from Hardy 8.04 to Jaunty 9.04 (new installation). So
far, I haven't had problems anymore.

It seems like this problem was caused either by

1) Faulty connections / contacts
2) Bad or dying harddrive
3) Problem with the hardy heron kernel given my setup (SATA controller, 
harddrive make)

Hence, I cannot help to nail down this bug any further.

-- 
ATA exception on resume from sleep
https://bugs.launchpad.net/bugs/159421
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