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The following reply was made to PR kern/45854; it has been noted by GNATS.
From: Nat Sloss <nathanialsloss%yahoo.com.au@localhost>
Subject: Re: kern/45854
Date: Sat, 7 Jul 2012 15:02:02 +1000
I think I'm having the same trouble on 6.99.7 i386.
It happens a random for me. It happened whilst copying, sometimes after a
long while (copying 120GB), sometimes after a short while (copying 50MB).
This is the back trace:
uvm_fault(0xc0c297a0, 0, 1) -> 0xe
fatal page fault in supervisor mode
trap type 6 code 0 eip c0326575 cs 8 eflags 210213 cr2 2c ilevel 0
,c0bf63c0) at netbsd:vclean+0x200
it seams to read a null vnode maybe. This would occur on an ffs v2
Just a thought I don't know where the null values are coming from but would it
be possible not to add null vnodes to the free list/ or remove null entries
from the free list.
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