Date: Fri, 12 Jun 2026 14:35:06 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 296022] FreeBSD can't mount NetBSD FFSv2 partitions Message-ID: <bug-296022-227-OzvmTvu5dy@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-296022-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=296022 --- Comment #1 from Ricardo Branco <rbranco@suse.com> --- I ran this command on NetBSD: # dumpfs -s / file system: /dev/rdk6 format FFSv2 endian little-endian location 65536 (-b 128) magic 19540119 time Fri Jun 12 16:24:17 2026 superblock location 65536 id [ 68d06135 787b968e ] nbfree 9260990 ndir 51861 nifree 18957676 nffree 16418 ncg 414 size 78643200 blocks 77424358 bsize 32768 shift 15 mask 0xffff8000 fsize 4096 shift 12 mask 0xfffff000 frag 8 shift 3 fsbtodb 3 bpg 23745 fpg 189960 ipg 46848 minfree 5% optim time maxcontig 2 maxbpg 4096 symlinklen 120 contigsumsize 2 maxfilesize 0x000800800805ffff nindir 4096 inopb 128 avgfilesize 16384 avgfpdir 64 sblkno 24 cblkno 32 iblkno 40 dblkno 2968 sbsize 4096 cgsize 32768 csaddr 2968 cssize 8192 cgrotor 0 fmod 0 ronly 0 clean 0x02 wapbl version 0x1 location 2 flags 0x0 wapbl loc0 314597568 loc1 131072 loc2 512 loc3 3 snapshot inodes 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 usrquota 0 grpquota 0 flags wapbl fsmnt / volname swuid 0 It seems FreeBSD is reading NetBSD WAPBL fields as UFS2 fields due to struct layout divergence: wapbl loc1 131072 FreeBSD reports fs_metaspace = 131072. That's wapbl loc1. FreeBSD's fs_metaspace field offset in struct fs corresponds to a NetBSD WAPBL journal location field. -- You are receiving this mail because: You are the assignee for the bug.home | help
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