mps0-troubles

[Kenneth D. Merry]

On Thu, Jan 20, 2011 at 04:34:50 +0100, Joachim Tingvold wrote:
> On Fri, Jan 14, 2011, at 01:38:27AM GMT+01:00, Joachim Tingvold wrote:
> >>I don't think so.  If anything, I think that this is likely  
> >>triggered by
> >>a large number of outstanding commands, or perhaps a leak  
> >>somewhere.  If
> >>it's the former, hopefully this will fix it.  If it's the latter,  
> >>you'll
> >>eventually run into the problem again.
> >
> >Okay. I've changed the value. I'll keep you posted.
> 
> Some more errors; 
> <http://home.komsys.org/~jocke/dmesg_mps0_freebsd-scsi_3.txt >. Same as 
> earlier, but without the "out of chain"-messages (probably  just because I 
> increased the number, so that this specific error- message isn't printed?).
> 
> This happened without direct user-interaction (it's a cron-job that  
> copies files from 'zroot' to 'storage', and deletes some stuff on  
> 'zroot' afterwards). However, it seems as if I can access the files/ 
> folders on 'storage' without the terminal freezing (based on the log- 
> messages, I was able to pinpoint the last 2-3 copied folders, and  
> those I could list/copy files from without the terminal freezing). I'm  
> not sure why, though. Maybe because the error/crash occurred when no  
> files where being copied/moved?

So did the system freeze or crash this time?

Do you have a serial console on the machine?

If it hangs or crashes, perhaps we can get a stack trace.

It does look like the out of chain problem was fixed by increasing the
number, so that's good at least.

Ken
-- 
Kenneth Merry
ken at FreeBSD.ORG