controller errors from RELENG_9 to RELENG_10 upgrade

[Glen Barber]

On Thu, Aug 28, 2014 at 02:38:26PM -0400, Mike Tancsa wrote:
> I upgraded one of our file servers to RELENG_10 this AM and noticed the box
> started throwing a lot of errors all of a sudden on different disks and port
> multipliers. The disks do not have any errors according to smartctl.  Now
> zfs detected write errors and forced a scrub on ada6
> 
> Any idea how to track this down ?  dmesg and the errors attached in the txt
> file.
> 
> loader is simple and is the same from before.
> 
> hint.siis.0.msi=1
> siis.0.msi=1
> hw.em.enable_msix=0
> 

I am suspicious of the CAM changes between stable/9 and stable/10.  Did
you rebuild all ports on this system after the upgrade?  smartctl(8)
reflects 10.1-PRERELEASE, so I am particularly curious of anything that
uses hald(8) or dbus(8).

Glen

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