Hard locks under high interrupt load?
From: Dan Creswell
Date: Fri Feb 27 2004 - 06:01:56 EST
I'm having zero success in getting 2.6.3 stable under interrupt load. I
can kill my machine in a variety of fashions all of which appear, to my
naive eye, related to interrupt load:
(1) LAN traffic via E1000 card (X is not running)
(2) Running X for more than a few minutes - starting up a couple of
applications whilst performing some disk-based activity (such as a
compile) usually seems to do the trick.
(2) is worth a little more examination. I have an NVIDIA card (I can
hear you all groan) *but* I get the same results with the XFree driver
*or* the proprietary NVIDIA driver.
Disabling IO-APIC usage seems to resolve the problem.
Machine is a dual Xeon, Tyan S2665 (E7505 chipset) with an MPT-Fusion
SCSI controller.
2.4.26-pre1 and various other 2.4 kernels give me no problems at all. I
really want to switch my machines over to 2.6 but I can't whilst this
problem persists.
Cheers,
Dan.
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