[Bug 37382] Re: ata timeout freezes system partly

[tuxrox]

I would like to confirm the bug , occurring in an HP5100  desktop that I
use at work. I started using Edgy on it last January , and it worked
fine. After upgrading to Feisty two weeks ago , the bug made it very
difficult to use the machine, requiring power cycle 3 or 4 times a day.

When the bug occcurs, neither the "top" shell command nor System Monitor
shows what is locking the machine, you can only see the HD activity led
blinking like crazy. At System Monitor screen, CPU, RAM and Network
usage %s  exhibit low values . But this may not be valid , because they
are frozen, possibly in a value before the bug occurred. "top" also
freezes , or almost , since it updates the data only every 40 seconds ,
or more. I have dclock running all the time (a digital clock KDE
application), and this clock also freezes during these occasions, not
even the colon blinks...

The box has plenty of disk space and swap area , which is rarely used. I
tried unplugging the network cable to stop network traffic , makes no
difference.  If I let the box in peace for several minutes , let's say ,
some 40 minutes , it gets back to normality.

kernel 2.6.20-16-generic
512MB RAM - 1GB swap

Typical applications running when bug occurs are :
wine 0.9.37 , running Lotus Notes
vmware , emulating a Windoze 98 - 128MB running Novell Netware Administrator
java 1.5.0_11 , running SAP/R3 Front End  (PlatinGUI )

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ata timeout freezes system partly
https://bugs.launchpad.net/bugs/37382
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