Public bug reported:
My system has random freezes, sometimes during boot, sometimes after a few
minutes, sometimes after a few hours. Everytime there are ata port errors like
"ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x1c00000 action 0x2 frozen" (see
logs). I had this with Feisty, but even after a fresh Gutsy install the problem
doesn't disappear.
I tried three different motherboards, two different harddisks, on the current
motherboard two different SATA-controllers.
When the system freezes, I sometimes can continue after a minute or so.
Sometimes I have to reboot using either the reset button or the alt-
sysreq-SUB sequence. Sometimes after a reboot Grub is loading, and the
gives a "Read error".
Usually after a fresh install the system runs fine for about two weeks
(only running a few hours a day, then shut down). The frequency of
freezes then increases up to a point where it becomes unuseable.
** Affects: ubuntu
Importance: Undecided
Status: New
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ATA port freezes randomly
https://bugs.launchpad.net/bugs/157650
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