On 02/22/10 02:19, Lawrence Stewart wrote:
On 02/22/10 18:05, Alexander Motin wrote:
Lawrence Stewart wrote:
On 02/20/10 04:16, Alexander Motin wrote:
Lawrence Stewart wrote:
I compiled DDB into my r203889 kernel. Unfortunately my ILO emulates a
USB keyboard so I can't do anything in DDB which is a huge pain, but
here's the info I did get (hand transcribed):
Fatal trap 12: page fault while in kernel mode
current process: mpt_raid0
Stopped at xpt_rescan+0x1d: movq 0x10(%rsi),%rdx
1. Any thoughts on how to resolve the regression in the mpt driver
with
the r203889 commit?
Perhaps this commit should be backed out of 8-STABLE until we get a
chance to diagnose a bit more?
I also have successful reports with this driver, so problem is not
common. So I don't think it is reasonable to back-out it now. As soon as
you are the only complaining now, it is only you who can debug the
issue. So could you be so kind to provide more info? Even without
keyboard you should be able to get verbose boot messages and full panic
message.
Fair enough, if I'm the only person complaining and you've had other
success reports, then that's cool.
I will get some more info and report back but will have to wait until
later in the week before the machine can be scheduled for some
out-of-hours downtime.
Cheers,
Lawrence
Short version of my tale below: it might be bad disks...
It might be worth mentioning that I discovered similar (but not
identical) symptoms today on a Sun Fire v20z with parallel SCSI, no
hardware mirroring being used (just zfs/gmirror). I had just
reinstalled it to a feb 27 build of 8-stable and encountered trouble
while running portsnap extract. I was seeing timeouts, resets, and
errors involving both drives. I tried reinstalling with older versions
even 8.0-release and still ran into trouble, although on one fresh boot
I was watching the console before it started complaining and saw a short
burst of messages relating to da1 only:
(da1:mpt0:0:1:0): WRITE(10). CDB: 2a 0 0 40 ad 22 0 0 80 0
(da1:mpt0:0:1:0): CAM Status: SCSI Status Error
(da1:mpt0:0:1:0): SCSI Status: Check Condition
(da1:mpt0:0:1:0): HARDWARE FAILURE info:40ad22 asc:80,87
(da1:mpt0:0:1:0): Vendor Specific ASC field replaceable unit: be
(da1:mpt0:0:1:0): Retrying Command (per Sense Data)
I haven't looked up the vendor code but I replaced both disks (couldn't
easily find the same model as da0 so I replaced both) and so far its
fine with the Feb 27 build.
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