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Article #178

Re: System hangs after running UpgradePrep.app

#178
From: Sean Church
Date: Tue, 21 Jul 1992 15:28
68 lines
3196 bytes
In article <1992Jul20.020405.1257@proforma.com> jgg@proforma.com (J. G.  
Gregory) writes:
> We have a system that we are trying to upgrade from 2.1 to 3.0(PR2).  It is a  
> 68040 cube with a 1.2g hard disk.
> 
> After running the UpgradePrep.app , the system will not boot.  An attempt to  
> run the boot command manually hangs the machine immediately.  We have tried:
> 
> NeXT>b
> NeXT>bsd
> NeXT>b -s
> 
> It hangs immediately after hitting return in all cases.  We have no  
> UNIX-experienced sysadmin to understand the nasties of this; I didn't even  
know  
> what "booting single user" was until tonight.  
> 
> This was our second attempt to bring up 3.0(PR2).  The first went off without  
a  
> hitch.  The only difference between the machines is that the disk on the  
> now-hung machine is not a NeXT-supplied disk.  The machine is being rented,  
and  
> we were not around when the disk was installed (and the owner is out of the  
> country!).  The /usr/adm/messages report looks like this:
> 
> Jul 19 19:05:29 proforma mach: SEAGATE ST41520N as sd0 at sc0 target 1 lun 0
> Jul 19 19:05:29 proforma mach: 	Disk Label: DATA
> Jul 19 19:05:29 proforma mach: 	Disk Capacity 1307MB, Device Block 512  
> bytes
> 
> The last line bothers me, because there is a mention in /etc/disktab that the  
> block size must be 1024.  Yet this disk is still working; we can boot off the  
> release 2.0 optical and the disk is there and useable.
> 
> Does anyone know what could be wrong?
> 
> Thanks in advance for any and all help.  We have a boat anchor until we can  
> boot.
> 
> --J Gregory

Does it really hang right after you hit the return ?
If so, you are still having the ROM start the machine at this point, and what  
is on the disk  (3.0, 2.2, 2.1, 1.0, or whatever) has yet to be read in, so it  
doesn't matter.

The disk itself could be hanging up the SCSI bus, but you would have seen this  
before upgrading (unless, of course, a hardware failure has occured at the time  
of boot-up).

What exactly appears in the monitor screen when you type :
bsd (return)
in the monitor. I think that there is a hardware , or maybe it's in your  
options you can change (boot device, etc) from the monitor screen.

Publish more info, or mail me, and we will see what the deal is. 

Also, the UpgradePrep.app mangles your sdmach kernal into the 3.0 way of being,  
so you can't run anything with out completing the upgrade procedure.

Hum.... does your system have an MO disk on it ? What kind of NeXT is it  
exactly ? I wonder if 3.0 supports the MO, or if it will lock up if the circuit  
is there ....


Sean
sean@pages.com
The company UNIX-experienced Sys Admin, and a whole lot more!
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From: Sean_Church@pages.com (Sean Church)
Newsgroups: comp.sys.next.sysadmin
Subject: Re: System hangs after running UpgradePrep.app
Message-ID: <1992Jul21.152823.203@pages.com>
Date: 21 Jul 92 15:28:23 GMT
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