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Subjectsmp hangs with 2.2.19 kernel
Date

Hallo, I have a problem with a dual processor machine. With Red Hat
2.2.19 kernel, but with every 2.2.1x kernel, from Red Hat or self
compiled, the machine hangs with lot of processes in D state:

vmstat output is

procs memory swap io system cpu
r b w swpd free buff cache si so bi bo in cs us sy id
1 225 2 0 10632 10936 16456 0 0 6 3 14 9 6 3 14


The memory situation:

[root@petra petra]# free
total used free shared buffers
cached
Mem: 523800 504688 19112 0 10620
31352
-/+ buffers/cache: 462716 61084
Swap: 2097136 35164 2061972


The box has 5 scsi disks with a aic7xxx controller. 4 disks are in RAID
1, the fifth is only used for the swap partition (2 GB).

When the machine hangs there are no logs.

Is there a way I can debug the cause?

Thanks in advance,
andrea


--
Andrea Dell'Amico
<adellam@link.it> - Link s.r.l. <http://www.link.it>


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