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Date:      Sat, 13 Feb 2021 04:31:32 +0000
From:      bugzilla-noreply@freebsd.org
To:        fs@FreeBSD.org
Subject:   [Bug 253158] Panic: snapacct_ufs2: bad block - Non-suJ mksnap_ffs(8) crash
Message-ID:  <bug-253158-3630-jUMGG8JarW@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-253158-3630@https.bugs.freebsd.org/bugzilla/>
References:  <bug-253158-3630@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D253158

--- Comment #22 from Cy Schubert <cy@FreeBSD.org> ---
No joy.

(kgdb) frame 12
#12 0xffffffff80f22e57 in ffs_read (ap=3D<optimized out>) at
/opt/src/vm64/sys/ufs/ffs/ffs_vnops.c:789
789                             error =3D vn_io_fault_pgmove(bp->b_pages,
blkoffset,
(kgdb) info args
ap =3D <optimized out>
(kgdb) info locals
vp =3D <optimized out>
uio =3D 0xfffffe00882928b0
ioflag =3D 0
ip =3D <optimized out>
seqcount =3D 0
orig_resid =3D <optimized out>
fs =3D <optimized out>
bp =3D <optimized out>
error =3D 0
bflag =3D 72
bytesinfile =3D <optimized out>
lbn =3D <optimized out>
nextlbn =3D <optimized out>
size =3D 32768
blkoffset =3D 0
xfersize =3D 32768
(kgdb) p *fs
value has been optimized out
(kgdb) p *ip
value has been optimized out
(kgdb) p *bp
value has been optimized out
(kgdb)=20

We'll need to build a -O0 kernel.

--=20
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