zfs-fuse crashed

[Tamas Papp]

Oct 26 05:29:37 backup1 zfs-fuse: zfsfuse_release: stale inode (Input/output error)?
Oct 26 05:29:37 backup1 zfs-fuse: ERROR: vn_rele: vnode ref count 0

zfs-fuse had been stopped here.
I restarted the service, but the pid file had to be removed first.

Oct 26 08:54:25 backup1 zfs-fuse: initial max_map_count 305530
Oct 26 08:54:25 backup1 zfs-fuse: ARC caching: maximum ARC size: 100 MiB
Oct 26 08:54:25 backup1 zfs-fuse: WARNING: /var/run/zfs-fuse.pid already exists; aborting.
Oct 26 08:55:53 backup1 zfs-fuse: initial max_map_count 305530
Oct 26 08:55:53 backup1 zfs-fuse: ARC caching: maximum ARC size: 100 MiB
Oct 26 08:55:53 backup1 zfs-fuse: ARC setup: min ARC size set to 16777216 bytes
Oct 26 08:55:53 backup1 zfs-fuse: ARC setup: max ARC size set to 104857600 bytes
Oct 26 08:55:53 backup1 zfs-fuse: kstat: fuse_mount error - trying to umount
Oct 26 08:56:37 backup1 zfs-fuse: WARNING: Failed to flush write cache on device '/dev/vg1/data'. Data on pool 'data' may be lost if power fails. No further warnings will be given.
Oct 26 08:57:24 backup1 zfs-fuse: WARNING: Failed to flush write cache on device '/dev/disk/by-id/dm-name-vg1-data'. Data on pool 'data' may be lost if power fails. No further warnings will be given.
Oct 26 08:57:24 backup1 zfs-fuse: !imported version 23 pool data using 23
Oct 26 09:01:10 backup1 zfs-fuse: initial max_map_count 65530
Oct 26 09:01:10 backup1 zfs-fuse: ARC caching: maximum ARC size: 100 MiB
Oct 26 09:01:10 backup1 zfs-fuse: ARC setup: min ARC size set to 16777216 bytes
Oct 26 09:01:10 backup1 zfs-fuse: ARC setup: max ARC size set to 104857600 bytes
Oct 26 09:01:10 backup1 kernel: [ 11.389327] S38zfs-fuse (801): /proc/812/oom_adj is deprecated, please use /proc/812/oom_score_adj instead.
Oct 26 09:01:11 backup1 zfs-fuse: WARNING: Failed to flush write cache on device '/dev/disk/by-id/dm-name-vg1-data'. Data on pool 'data' may be lost if power fails. No further warnings will be given.

[reboot]

Oct 26 09:03:08 backup1 zfs-fuse: initial max_map_count 65530
Oct 26 09:03:08 backup1 zfs-fuse: ARC caching: maximum ARC size: 100 MiB
Oct 26 09:03:08 backup1 zfs-fuse: ARC setup: min ARC size set to 16777216 bytes
Oct 26 09:03:08 backup1 zfs-fuse: ARC setup: max ARC size set to 104857600 bytes
Oct 26 09:03:08 backup1 kernel: [ 11.740452] S38zfs-fuse (802): /proc/841/oom_adj is deprecated, please use /proc/841/oom_score_adj instead.
Oct 26 09:03:09 backup1 zfs-fuse: WARNING: Failed to flush write cache on device '/dev/disk/by-id/dm-name-vg1-data'. Data on pool 'data' may be lost if power fails. No further warnings will be given.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: zfs-fuse 0.6.9-1build1
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
Date: Wed Oct 26 08:50:11 2011
ProcEnviron:
 LANGUAGE=en_US:en
 LC_CTYPE=hu_HU
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/zsh
SourcePackage: zfs-fuse
UpgradeStatus: Upgraded to oneiric on 2011-10-16 (9 days ago)

[Tamas Papp (tompos)]

Newer crash:

Oct 27 10:32:01 backup1 zfs-fuse: zfsfuse_release: stale inode (Input/output error)?
Oct 27 10:32:01 backup1 kernel: [91747.192633] zfs-fuse[908]: segfault at 0 ip 000000000047e5cb sp 00002b7b90bdbd78 error 6 in zfs-fuse[400000+10f000]

After export/import:

Oct 27 12:35:14 backup1 zfs-fuse: initial max_map_count 65530
Oct 27 12:35:14 backup1 zfs-fuse: ARC caching: maximum ARC size: 100 MiB
Oct 27 12:35:14 backup1 zfs-fuse: WARNING: /var/run/zfs-fuse.pid already exists; aborting.
Oct 27 12:35:27 backup1 zfs-fuse: initial max_map_count 65530
Oct 27 12:35:27 backup1 zfs-fuse: ARC caching: maximum ARC size: 100 MiB
Oct 27 12:35:27 backup1 zfs-fuse: ARC setup: min ARC size set to 16777216 bytes
Oct 27 12:35:27 backup1 zfs-fuse: ARC setup: max ARC size set to 104857600 bytes
Oct 27 12:35:27 backup1 zfs-fuse: kstat: fuse_mount error - trying to umount
Oct 27 12:35:39 backup1 zfs-fuse: WARNING: Failed to flush write cache on device '/dev/disk/by-id/dm-name-vg1-data'. Data on pool 'data' may be lost if power fails. No further warnings will be given.
Oct 27 12:37:21 backup1 zfs-fuse: WARNING: Failed to flush write cache on device '/dev/disk/by-id/dm-name-vg1-data'. Data on pool 'data' may be lost if power fails. No further warnings will be given.
Oct 27 12:37:21 backup1 zfs-fuse: !imported version 23 pool data using 23

scrib is in progress now.
I'm almost sure it's not a hardware problem. It was working for years with no errors before.
ProLiant DL180 G6, Smart Array P410