panic: ffx_valloc: dup alloc + SU+J + fsck

[Kostik Belousov]

On Tue, Mar 01, 2011 at 11:03:17PM +0200, Nikos Vassiliadis wrote:
> Hello,
> 
> I am seeing this kernel panic on a su+j ufs. It seems that
> a su+j aware fsck cannot repair the file system, fsck corrects
> all fs-problems it finds but the kernel panics on the first
> write operation. The file system is corrected when a full fsck
> takes place. This fs lives on a virtual machine and I do have a
> snapshot of the fs in this problematic state in case someone
> wants to investigate further.
> 
> The panic:
> http://img135.imageshack.us/img135/1111/panicw.png
> 
> and a backtrace:
> http://img856.imageshack.us/img856/7516/65759196.png
> 
Note that if your fs somehow managed to get a corruption by whatever
means, then neither journaling not background fsck can repair it.
UFS panic that explicitely mentions fs corruption shall be always
followed by full fsck.
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