From owner-freebsd-hackers@FreeBSD.ORG  Thu Mar 29 16:27:42 2012
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Date: Thu, 29 Mar 2012 11:27:35 -0500
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From: Mark Felder <feld@feld.me>
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Cc: Hans Petter Selasky <hselasky@c2i.net>
Subject: Re: Please help me diagnose this crazy VMWare/FreeBSD 8.x crash
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On Thu, 29 Mar 2012 10:55:36 -0500, Hans Petter Selasky <hselasky@c2i.net>  
wrote:
>
> It almost sounds like the lost interrupt issue I've seen with USB EHCI
> devices, though disk I/O should have a retry timeout?
>
> What does "wmstat -i" output?
>
> --HPS


Here's a server that has a week uptime and is due for a crash any hour now:

root@server:/# vmstat -i
interrupt                          total       rate
irq1: atkbd0                          34          0
irq6: fdc0                             9          0
irq15: ata1                           34          0
irq16: em1                        778061          1
irq17: mpt0                     19217711         31
irq18: em0                     283674769        460
cpu0: timer                    246571507        400
Total                          550242125        892