Re: btrfs-6.9 regression tests fail

[Qu Wenruo <quwenruo.btrfs@gmx.com>]

在 2024/6/10 09:23, Bruce Dubbs 写道:
> The convert and misc tests fail pretty early for me and I can't figure
> out why.
> The other btrfs tests complete normally.
>
> The significant output for convert-tests-results.txt is:
>
> ====== RUN CHECK mount -t btrfs -o loop
> /build/btrfs/btrfs-progs-v6.9/tests/test.img
> /build/btrfs/btrfs-progs-v6.9/tests/mnt
> mount: /build/btrfs/btrfs-progs-v6.9/tests/mnt: fsconfig system call
> failed: No such file or directory.
>         dmesg(1) may have more information after failed mount system call.
> failed: mount -t btrfs -o loop
> /build/btrfs/btrfs-progs-v6.9/tests/test.img
> /build/btrfs/btrfs-progs-v6.9/tests/mnt
> test failed for case 003-ext4-basic
>
> dmesg gives me:
>
> [ 3807.421836] loop0: detected capacity change from 0 to 4194304
> [ 3807.421933] BTRFS: device fsid 4f1a8440-1a8f-45d1-9789-72080ddd9917
> devid 1 transid 7 /dev/loop0 (7:0) scanned by mount (3326)
> [ 3807.423458] BTRFS info (device loop0): first mount of filesystem
> 4f1a8440-1a8f-45d1-9789-72080ddd9917
> [ 3807.423469] BTRFS info (device loop0): using crc32c (crc32c-generic)
> checksum algorithm
> [ 3807.423477] BTRFS info (device loop0): using free-space-tree
> [ 3807.423911] BTRFS warning (device loop0): failed to read root
> (objectid=12): -2

That's objectid is for RST, which shouldn't even be enabled unless you
have enabled experimental features for btrfs-progs.

Mind to dump the superblock of that test image?
($BTRFS_PROGS_SOURCE/tests/test.img)

Thanks,
Qu

> [ 3807.424407] BTRFS error (device loop0): open_ctree failed
>
> My related kernel options are:
>
> CONFIG_BTRFS_FS=m
> CONFIG_BTRFS_FS_POSIX_ACL=y
> CONFIG_BTRFS_FS_RUN_SANITY_TESTS=y
> CONFIG_BTRFS_DEBUG=y
> CONFIG_BTRFS_ASSERT=y
> CONFIG_BTRFS_FS_REF_VERIFY=y
>
> and the btrfs kernel module is loaded.
>
> The kernel is version 6.9.3 on an AMD Ryzen 9 3900X
>
> I can format a btrfs partition and mount it.
>
> The system is linuxfromscratch so it may be something I've overlooked,
> but earlier versions worked OK.
>
> Any suggestions will be appreciated.
>
>    -- Bruce Dubbs
>       linuxfromscratch.org
>