> -----Original Message-----
> From: owner-freebsd-stable@freebsd.org
> [mailto:owner-freebsd-stable@freebsd.org] On Behalf Of Jung-uk Kim
> Sent: Monday, August 08, 2005 2:29 PM
> To: freebsd-stable@FreeBSD.org
> Cc: Josh Endries
> Subject: Re: twa0 errors and system lockup on amd64
>
> On Monday 08 August 2005 05:03 pm, Josh Endries wrote:
> > Hello,
> >
> > Just a little while ago I got this on a test 5.4-stable
> dual Opteron
> > box I'm setting up (9500S-LP RAID 5 with a hot spare):
> >
> > Aug 8 15:58:21 kernel: twa0: ERROR: (0x05: 0x210b): Request timed
> > out!: request = 0xffffffff80a67700
> > Aug 8 15:58:21 kernel: twa0: INFO: (0x16: 0x1108): Resetting
> > controller...:
> > Aug 8 15:58:21 kernel: twa0: ERROR: (0x15: 0x110b): Can't
> drain AEN
> > queue after reset: error = 60 Aug 8 15:58:21 kernel: twa0: ERROR:
> > (0x16: 0x1105): Controller reset failed: error = 60; attempt 1
> >
> > It attempted twice and then just sat there after that. I
> couldn't log
> > in at all so I did a hard reset after probably 30+ minutes.
> I didn't
> > find much online other than driver source code or twe(4) man pages,
> > which suggests that it's a problem between the driver and card.
Has
> > anyone else seen this problem? Is it a sign of a flaky card
> or could
> > it be something else? Maybe it's something to do with AMD64? This
> > system was supposed to go into production tomorrow. I guess
> it's good
> > that it died today...
>
This should have nothing to do with amd64. The firmware seems to have
gotten into a bad state. Can you reproduce this consistently? If you
can, please run 'tw_cli /cX show diag', and send the output.
> I have seen it with 9500S-8, which is the same controller
> with 8 ports. In fact, I am seeing other problems.
>
> twa0: INFO: (0x04: 0x000b): Rebuild started: unit=0
> twa0: ERROR: (0x04: 0x0002): Degraded unit: unit=0, port=5
> twa0: INFO: (0x04: 0x000b): Rebuild started: unit=0
> twa0: INFO: (0x04: 0x003b): Rebuild paused: unit=0
> twa0: INFO: (0x04: 0x000b): Rebuild started: unit=0
> twa0: ERROR: (0x04: 0x0009): Drive timeout detected: port=5
> twa0: INFO: (0x04: 0x003b): Rebuild paused: unit=0
> twa0: INFO: (0x04: 0x000b): Rebuild started: unit=0
> twa0: ERROR: (0x04: 0x0009): Drive timeout detected: port=5
> twa0: INFO: (0x04: 0x0005): Rebuild completed: unit=0
> twa0: ERROR: (0x04: 0x0009): Drive timeout detected: port=5
> twa0: ERROR: (0x04: 0x0002): Degraded unit: unit=0, port=5
>
> I have rebuilt this array many times but it's happening again
> and again. It seems this controller/driver has issues with
> amd64. FYI, UP kernel or replacing cables didn't fix the problem.
>
You seem to have a bad drive/cable at port 5.
> Good luck,
>
> Jung-uk Kim
>
> > Josh
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