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Re: kern/37955: Kernel Panic NetBSD 4.0 blkfree

The following reply was made to PR kern/37955; it has been noted by GNATS.

From: "V.L. van den Berg" <>
To: Simon Burge <>
Subject: Re: kern/37955: Kernel Panic NetBSD 4.0 blkfree
Date: Tue, 11 Mar 2008 23:08:40 +0100

 Hi Simon,
 No, it doesn't work any better with softdeps off. I've tested this 
 before, but I ran into the exact same problem.
 Simon Burge schreef:
 > Vincent van den Berg wrote:
 >>  I needed to reboot the machine by typing "reboot" at the "db>" prompt, 
 >>  syncing the disks also hung, so I needed to perform a hard-reset.
 >>  This happened while I force fsck'd every volume (my passport drive too, 
 >>  mounted at /mnt/backup and formatted ffs2 with softdep enabled) before 
 >>  running dump! This is a production machine and it's crucial that backups 
 >>  are made.
 > Out of curiosity, does it work any better if you don't enable softdeps?
 > I use rsnapshot here between two netbsd-4 machines without problems.  I
 > don't know of any specific problems with softdeps, but I don't use them
 > there.
 > Cheers,
 > Simon.

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