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Date:      Sun, 29 Mar 1998 23:02:39 -0500 (EST)
From:      "John S. Dyson" <toor@dyson.iquest.net>
To:        rb@gid.co.uk (Bob Bishop)
Cc:        current@FreeBSD.ORG
Subject:   Re: panic: "vm_fault: fault on nofault entry" with softupdates
Message-ID:  <199803300402.XAA08213@dyson.iquest.net>
In-Reply-To: <l03020901b143ea26c6ee@[194.32.164.2]> from Bob Bishop at "Mar 29, 98 01:15:43 pm"

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> Hi,
> 
> I'm getting occasional "vm_fault: fault on nofault entry" panics running
> with softupdates on a recent kernel (CTM src-cur 3301). The traceback looks
> like this:
> 
> panic
> vm_fault
> trap(10,...
> --- trap 0xc, ...
> generic_bcopy
> softdep_setup_allocindir_page
> ffs_balloc
> ffs_write
> vn_write
> write
> [syscall stuff]
> 
> There seems to be no particular rhyme of reason to this, it happens every
> third or fourth buildworld. Any ideas?
> 
That specific bug is a nit leftover from the softupdates port.  Will
eventually be fixed.  I did look at it today, and fixed one bug, but
it seems that there are more to be found.

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