Re: more(?) failed assertions in vfs_bio.c

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Jun 27, 2008 at 10:49:12PM -0400, Rafal Boni wrote:
> Saw this trying to copy new kernels from the MSDOS partition on the CF card
> to the FFS partion on the Jornada 720 (a simple cp from /mnt/msdos to /).
> 
> panic: kernel diagnostic assertion "bp->b_vp == NULL || bp->b_vp->v_tag
> != VT_UFS || ISSET(bp->b_flags, B_COWDONE)" failed: file 
> "../../../../kern/vfs_bio.c", line 888
> 
> Hand-copied backtrace:
>       __kernassert
>       bdwrite
>       msdosfs_update
>       msdosfs_inactive
>       VOP_INACTIVE
>       vrelel
>       vn_close
>       closef
>       fd_close
>       syscall_plain
> 
> It looks to be dead-reproducible... happened in 4.99.65 and looks to be
> the same failure in .67 from earlier today.  This sounds like one of the
> panics Manuel was chasing, but I'm running out of time for the night so
> I thought I'd lob this out here anyway.  Is this an already-reported
> issue?  Should I PR it?  Dig into it more?

This is kern/38892. It's not the issue I've been debugging yesterday, but
it's already known. 

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--