kern/64363: [panic] ffs_blkfree: freeing free block [4.9]

Dorr H. Clark dclark at
Mon Jul 25 17:10:25 GMT 2005

The following reply was made to PR kern/64363; it has been noted by GNATS.

From: "Dorr H. Clark" <dclark at>
To: bug-followup at, dirk.meyer at
Subject: Re: kern/64363: [panic] ffs_blkfree: freeing free block [4.9]
Date: Mon, 25 Jul 2005 10:04:02 -0700

 I know somebody who has seen this crash twice.  Unlike the original 
 post, they weren't using jails & there wasn't heavy disk I/O,
 but they were using 4.9 or older builds.
 Since it's in 4.9, there's always some chance it's fixed by a later 
 RELENG_4 patch.  Anyone have any suggestions?
 -Dorr H. Clark
 Santa Clara University

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