Date: Tue, 29 Aug 2000 15:48:32 +0200 From: Ollivier Robert <roberto@eurocontrol.fr> To: FreeBSD Current Users' list <freebsd-current@FreeBSD.ORG> Cc: mckusick@mckusick.com Subject: [CURRENT] panic "blk too big" when creating a snapshot Message-ID: <20000829154832.R18423@caerdonn.eurocontrol.fr>
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I just tried to create a snapshot on my laptop and it paniced with the
following message:
panic: ffs_balloc: blk too big
-=-=-
vp = ap->a_vp;
ip = VTOI(vp);
fs = ip->i_fs;
lbn = lblkno(fs, ap->a_startoffset);
size = blkoff(fs, ap->a_startoffset) + ap->a_size;
if (size > fs->fs_bsize)
panic("ffs_balloc: blk too big"); <<<<<<<<
*ap->a_bpp = NULL;
if (lbn < 0)
return (EFBIG);
-=-=-
Trace within DDB is
panic
ffs_balloc
ffs_snapshot
ffs_mount
mount
syscall2
The filesystem is a 16k/2k FS.
magic 11954 time Tue Aug 29 15:44:22 2000
id [ 380a8622 44efb9cb ]
cylgrp dynamic inodes 4.4BSD
nbfree 16216 ndir 7004 nifree 85882 nffree 1637
ncg 38 ncyl 593 size 606940 blocks 596899
bsize 16384 shift 14 mask 0xffffc000
fsize 2048 shift 11 mask 0xfffff800
frag 8 shift 3 fsbtodb 2
cpg 16 bpg 2048 fpg 16384 ipg 3968
minfree 8% optim time maxcontig 7 maxbpg 4096
rotdelay 0ms rps 60
ntrak 1 nsect 4096 npsect 4096 spc 4096
symlinklen 60 trackskew 0 interleave 1 contigsumsize 7
nindir 4096 inopb 128 nspf 4 maxfilesize 1126174852055039
sblkno 8 cblkno 16 iblkno 24 dblkno 272
sbsize 2048 cgsize 4096 cgoffset 1024 cgmask 0xffffffff
csaddr 272 cssize 2048 shift 10 mask 0xfffffc00
cgrotor 7 fmod 0 ronly 0 clean 0
flags soft-updates
(no rotational position table)
--
Ollivier ROBERT -=- Eurocontrol EEC/ITM -=- Ollivier.Robert@eurocontrol.fr
FreeBSD caerdonn.eurocontrol.fr 5.0-CURRENT #6: Thu Aug 10 17:36:11 CEST 2000
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