Yeah..looks like HD problem to me also...
I have a uVAXII which had a similar problem, although MFM disks are 
arguably more robust to corruptions than SCSI disks as a reformat would 
take those bad sectors out...

Mauricio wrote:
>     My Dec 5000/25 run netbsd 1.6.1 and is my dhcp/dns server. It has 
> been a quite happy machine for a while.  In fact it has been running 
> without a hitch since I had done some upgrading ("Peter C. Wallace" 
> <pcw@mesanet.com>, do email me back with an address so I can pay for 
> thge memory and the CPU.  Pretty please?) in it.  But, today, I went to 
> do some stuff in it and could not ssh to it.  So, I decided to use the 
> console.  This is what I got:
> 
> db> help
> break           dmesg           p               show            watch
> c               dwatch          print           sifting         write
> call            examine         ps              step            x
> callout         kill            reboot          sync
> continue        machine         s               trace
> d               match           search          until
> delete          next            set             w
> db> show
> all             buf             map             page            uvmexp
> arptab          event           ncache          pool            vnode
> breaks          malloc          object          registers       watches
> db> show all
> callout procs
> db> quit
> No such command
> db> reboot
> syncing disks... panic: lockmgr: locking against myself
> Begin traceback...
> pid -2144880964 not found
> End traceback...
> 
> dumping to dev 19,1 offset 50927
> dump 40 39 38 37 36 35 34 33 32 sd0(asc0:0:0:0): asc0: timed out [ecb 
> 0x80aa3000
>  (flags 0x1, dleft 1000, stat 0)], <state 5, nexus 0x80aa3000, phase(l 
> 0, c 0, p
>  0), resid 1000, msg(q 0,o 0) DMA active>
> sd0(asc0:0:0:0): sync negotiation disabled
> sd0(asc0:0:0:0): asc0: timed out [ecb 0x80aa3000 (flags 0x41, dleft 
> 1000, stat 0
> )], <state 5, nexus 0x80aa3000, phase(l 0, c 0, p 0), resid 1000, msg(q 
> 20,o 0)
> DMA active> AGAIN
> sd0: async, 8-bit transfers
> i/o error
> 
> 
> sd0(asc0:0:0:0): polling command not done
> panic: scsipi_execute_xs
> Begin traceback...
> pid -2144800340 not found
> End traceback...
> 
> dumping to dev 19,1 offset 50927
> dump device not ready
> 
> What is going on here?  What was it trying to tell me?  HD is going 
> boink?  I eventually turned it off for a bit and then rebooted it. Right 
> now it seems to be happy once more, but I do not know for how long.  
> Suggestions?
> 

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