Re: CentOS 4.4-IBM Netvista Performace Problems, help needed.

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On 2/18/07, Chuck Mattern <camattern@xxxxxxx> wrote:
-Systems will bog down critically after approximately 24 hours loosing
system time at an increasing rate,

We have several IBM boxes (NetVista mostly) @work that would exhibit
similar behavior - run normally at first, then after a few hours the
system clock practically stops; I measured 2 minutes of wall-clock
time for a "sleep 1" to return, and up to 20 seconds for "usleep 1"...
Tried updating BIOS, kernel (4.3, 4.4, updates), some combinations of
boot time parameters (as in: clock={pit|pmtmr|..}, noapic, acpi=off
and the like), without improvement. We just gave up on those due to
the lack of time.

See also: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=203818
Solution from comment 18 may help (that comment was submitted after
we've given up, not sure if it was tried).

Cheers,
Zoran
--
"The most likely way for the world to be destroyed, most experts agree,
is by accident.  That's where we come in.  We're computer professionals.
We cause accidents."  --Nathaniel Borenstein, inventor of MIME
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