Public bug reported:
Issue found on Jammy OEM 5.17.0-1004.4
Test output:
Invoking test f88ba6a2a44ee98e8d59654463dc157bb6d13c43
fix f88ba6a2a44ee98e8d59654463dc157bb6d13c43
Btrfs: skip submitting barrier for missing device
I got an error on v3.13:
BTRFS error (device sdf1) in write_all_supers:3378: errno=-5 IO failure
(errors while submitting device barriers.)
how to reproduce:
> mkfs.btrfs -f -d raid1 /dev/sdf1 /dev/sdf2
> wipefs -a /dev/sdf2
> mount -o degraded /dev/sdf1 /mnt
> btrfs balance start -f -sconvert=single -mconvert=single
-dconvert=single /mnt
The reason of the error is that barrier_all_devices() failed to submit
barrier to the missing device. However it is clear that we cannot do
anything on missing device, and also it is not necessary to care chunks
on the missing device.
This patch stops sending/waiting barrier if device is missing.
btrfs balance failed on /tmp/mnt-f88ba6a2a44ee98e8d59654463dc157bb6d13c43
FAIL: f88ba6a2a44ee98e8d59654463dc157bb6d13c43 (ret=1)
dmesg output:
[ 390.757211] Invoking test f88ba6a2a44ee98e8d59654463dc157bb6d13c43
[ 390.773367] loop6: detected capacity change from 0 to 2097152
[ 390.801666] loop7: detected capacity change from 0 to 2097152
[ 392.126867] BTRFS: device fsid 3c464492-2cf2-4feb-a6fd-26f90d644196 devid 1
transid 6 /dev/loop6 scanned by systemd-udevd (1407)
[ 392.196398] BTRFS: device fsid 3c464492-2cf2-4feb-a6fd-26f90d644196 devid 2
transid 6 /dev/loop7 scanned by mkfs.btrfs (1409)
[ 392.548599] BTRFS info (device loop6): flagging fs with big metadata feature
[ 392.548610] BTRFS info (device loop6): allowing degraded mounts
[ 392.548614] BTRFS info (device loop6): using free space tree
[ 392.548617] BTRFS info (device loop6): has skinny extents
[ 392.549304] BTRFS warning (device loop6): devid 2 uuid
918c3e31-5c12-491e-aac0-a007eda45078 is missing
[ 392.549434] BTRFS warning (device loop6): devid 2 uuid
918c3e31-5c12-491e-aac0-a007eda45078 is missing
[ 392.550341] BTRFS info (device loop6): checking UUID tree
[ 392.562271] BTRFS info (device loop6): balance: force reducing metadata
redundancy
[ 392.622941] BTRFS info (device loop6): balance: start -f -dconvert=single
-mconvert=single -sconvert=single
[ 392.623003] BTRFS info (device loop6): relocating block group 362545152
flags system
[ 392.742941] BTRFS info (device loop6): relocating block group 245104640
flags metadata
[ 393.004397] BTRFS info (device loop6): relocating block group 137756672
flags data|raid1
[ 393.298466] BTRFS info (device loop6): relocating block group 30408704 flags
metadata|raid1
[ 393.591373] BTRFS info (device loop6): found 7 extents, stage: move data
extents
[ 393.959629] BTRFS info (device loop6): relocating block group 22020096 flags
system|raid1
[ 394.210882] BTRFS info (device loop6): 1 enospc errors during balance
[ 394.210893] BTRFS info (device loop6): balance: ended with status: -28
[ 394.437519] Test f88ba6a2a44ee98e8d59654463dc157bb6d13c43 returned 0
This is not a regression as this failure can be found with 5.17.0-1002.2 /
5.17.0-1003.3 as well.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: linux-image-5.17.0-1004-oem 5.17.0-1004.4
ProcVersionSignature: User Name 5.17.0-1004.4-oem 5.17.3
Uname: Linux 5.17.0-1004-oem x86_64
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
CasperMD5CheckResult: unknown
Date: Fri May 13 05:52:35 2022
SourcePackage: linux-signed-oem-5.17
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Affects: linux-signed-oem-5.17 (Ubuntu)
Importance: Undecided
Status: New
** Tags: 5.17 amd64 apport-bug jammy oem package-from-proposed
ubuntu-btrfs-kernel-fixes uec-images
** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
** Tags added: 5.17 oem ubuntu-btrfs-kernel-fixes
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Title:
f88ba6a2a in ubuntu_btrfs_kernel_fixes failed on J-OEM-5.17
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