On Nov 30, 2009, at 2:14 PM, Carson Gaspar wrote:
Mark Johnson wrote:
I think there are two different bugs here...
I think there is a problem with MSIs and some variant of mpt
card on xVM. These seem to be showing up as timeout errors.
Disabling MSIs for this adapter seems to fix this problem.
For folks seeing this problem, what HBA adapter are you using
that you see this problem on?
I have just confirmed that adding "set mpt:mpt_enable_msi = 0" and
removing "set xpv_psm:xen_support_msi = -1" in /etc/system also
fixes the problem for me.
I am running an LSI branded SAS3081E-R with directly attached SATA
disks. See my previous email for full system info.
For the record, I am _not_ seeing the other command error problem.
But I don't have an external chassis, expanders, etc.
I'm using a LSI Logic SAS1068E controller (according to lsiutil) and
NOT using XVM and seeing these problems. I just put 'set
mpt:mpt_enable_msi = 0' into my /etc/system and rebooted, we'll see
how that works. If this seems to solve the issue for this machine
I'll do it on all of our others as well (we currently have about 12 of
these running, about 1.5PB of data online on them) and report back.
I just basically wanted to chime in and mention that I'm also having
these problems but NOT using XVM as other people are.
-Jeremy
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