Date: Thu, 01 Jun 2023 14:54:27 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 271766] dumpfs fails on geli devices: cylinder group checks failed Message-ID: <bug-271766-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D271766 Bug ID: 271766 Summary: dumpfs fails on geli devices: cylinder group checks failed Product: Base System Version: 13.2-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: bevan@bi-co.net Running dumpfs on a UFS2 file system in a block device encrypted via geli l= eads to the following error message when attempting to list free fragments: dumpfs: /dev/md0.eli: cylinder group checks failed "dumpfs -s" works without issues. "dumpfs -f" immediately triggers the erro= r. I'm running FreeBSD 13.2-RELEASE. Here are instructions that should easily reproduce the issue. I'm using md = here only for easy reproducibility. The error occurs on actual hard drives as we= ll: # truncate -s 1G image # mdconfig image=20 md0 # geli init -s 4096 -e aes -l 256 /dev/md0=20 Enter new passphrase:=20 Reenter new passphrase:=20 Metadata backup for provider /dev/md0 can be found in /var/backups/md0.eli and can be restored with the following command: # geli restore /var/backups/md0.eli /dev/md0 # geli attach /dev/md0 Enter passphrase:=20 # newfs /dev/md0.eli=20 /dev/md0.eli: 1024.0MB (2097144 sectors) block size 32768, fragment size 40= 96 using 4 cylinder groups of 256.00MB, 8192 blks, 32768 inodes. super-block backups (for fsck_ffs -b #) at: 192, 524480, 1048768, 1573056 # dumpfs /dev/md0.eli=20 magic 19540119 (UFS2) last mounted time Thu Jan 1 01:00:00 1970 last modified time Thu Jun 1 16:39:30 2023 superblock location 65536 id [ 6478ada2 7c30d5d9 ] ncg 4 size 262143 blocks 253862 bsize 32768 shift 15 mask 0xffff8000 fsize 4096 shift 12 mask 0xfffff000 frag 8 shift 3 fsbtodb 3 minfree 8% optim time symlinklen 120 maxbsize 32768 maxbpg 4096 maxcontig 32 contigsumsize 16 nbfree 31729 ndir 2 nifree 131068 nffree 28 bpg 8192 fpg 65536 ipg 32768 unrefs 0 nindir 4096 inopb 128 maxfilesize 2252349704110079 sbsize 4096 cgsize 16384 csaddr 2088 cssize 4096 sblkno 24 cblkno 32 iblkno 40 dblkno 2088 cgrotor 0 fmod 0 ronly 0 clean 1 metaspace 2616 avgfpdir 64 avgfilesize 16384 flags=20=20=20 check hashes superblock cylinder-groups inodes=20 fsmnt=20=20=20 volname swuid 0 providersize 262143 cs[].cs_(nbfree,ndir,nifree,nffree): (7928,2,32764,21) (7934,0,32768,0) (7934,0,32768,0) (7933,0,32768,7= )=20 blocks in last group 8191 dumpfs: /dev/md0.eli: cylinder group checks failed I think it is this check that triggers the error: https://github.com/freebsd/freebsd-src/blob/525ecfdad597980ea4cd59238e24c85= 30dbcd31d/lib/libufs/cgroup.c#LL248C15-L248C15 fsck cannot find any issues: # fsck /dev/md0.eli=20 ** /dev/md0.eli ** Last Mounted on=20 ** Phase 1 - Check Blocks and Sizes ** Phase 2 - Check Pathnames ** Phase 3 - Check Connectivity ** Phase 4 - Check Reference Counts ** Phase 5 - Check Cyl groups 2 files, 2 used, 253860 free (28 frags, 31729 blocks, 0.0% fragmentation) ***** FILE SYSTEM IS CLEAN ***** --=20 You are receiving this mail because: You are the assignee for the bug.=
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