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Date:      Thu, 6 Jul 1995 11:47:36 +0200
From:      esser@zpr.uni-koeln.de (Stefan Esser)
To:        John-Mark Gurney <gurney_j@efn.org>
Subject:   Re: One cause of 2.05R instability found
Message-ID:  <199507060947.AA25358@FileServ1.MI.Uni-Koeln.DE>
In-Reply-To: John-Mark Gurney <gurney_j@efn.org> "Re: One cause of 2.05R instability found" (Jul  5, 20:11)

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On Jul 5, 20:11, John-Mark Gurney wrote:
} Subject: Re: One cause of 2.05R instability found
} On Wed, 5 Jul 1995, Stefan Esser wrote:
} 
} > Regarding problems with panics:
} > 
} > 	Fatal trap 12: page fault while in kernel mode
} > 
} > Is this a single case ?
} > 
} > Who else (other than <yenbut@cs.washington.edu> Voradesh Yenbut)
} > sees this ???
} 
} I have seen this a couple times...  it has happened when reading off my 
} nec-210 cd-rom drive via nfs...  the cdrom is connected to a 8bit controler based on the 
} ncr53c400 by nec...  I am using the nca driver...  I'm not sure if this 
} is related...  I didn't take the information reported down...

Hmmm, that isn't a NCR 53c810 based system,
so the panic isn't caused by the NCR PCI SCSI 
driver problem, for sure ...

} > The NCR code hasn't changed over many months until after 
} > FreeBSD-2.0.5R has been released, and I don't have any 
} > other report of "trap 12: page fault while in kernel mode"
} > problems. So I don't suppose this to be a problem caused
} > by the driver. 
} 
} well... now you have another report...  just a bit about my machine...  
} it has 8megs ram... running a 486/33dx running at 40mhz...  the only 
} thing on the scsi controler is the cdrom...  hope this helps... TTYL...

Thanks. If it ever happens again, 
please write down the fault address,
and send it to the mail list ...

Regards, STefan




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