SMP but not UP lock-ups with 2.1.42

Edward Welbon (welbon@bga.com)
Fri, 20 Jun 1997 01:05:45 -0500 (CDT)

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When runing 2.1.42 as an SMP, I get crashes when stress testing my MD scsi
raid (usually in about 20 passes on a 1G file). The failing processor is
always #1 (never 0). If I run the same software with bios set to single
processor mode, the system never fails. An interesting side effect in the
UP case is that the utilizations are shown to be zero. I don't think that
this can be blamed on the relative speed caused by changing from SMP to UP
since no matter how slow I run the SMP or fow fast I runt eh uni, the SMP
always crashs and the UP never does.

Any ideas?

ed welbon@bga.com

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