kernel 3.16-2-amd64
xfs_repair 3.2.1
CPU cores 8
/proc/meminfo
MemTotal: 8095964 kB
MemFree: 6721580 kB
MemAvailable: 7482556 kB
Buffers: 265500 kB
Cached: 673888 kB
SwapCached: 0 kB
Active: 666416 kB
Inactive: 387348 kB
Active(anon): 162316 kB
Inactive(anon): 82208 kB
Active(file): 504100 kB
Inactive(file): 305140 kB
Unevictable: 0 kB
Mlocked: 0 kB
SwapTotal: 12623740 kB
SwapFree: 12623740 kB
Dirty: 100 kB
Writeback: 0 kB
AnonPages: 114440 kB
Mapped: 91324 kB
Shmem: 130152 kB
Slab: 242268 kB
SReclaimable: 205152 kB
SUnreclaim: 37116 kB
KernelStack: 4224 kB
PageTables: 9840 kB
NFS_Unstable: 0 kB
Bounce: 0 kB
WritebackTmp: 0 kB
CommitLimit: 16671720 kB
Committed_AS: 899516 kB
VmallocTotal: 34359738367 kB
VmallocUsed: 338236 kB
VmallocChunk: 34359397372 kB
HardwareCorrupted: 0 kB
AnonHugePages: 0 kB
HugePages_Total: 0
HugePages_Free: 0
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
DirectMap4k: 78420 kB
DirectMap2M: 4014080 kB
DirectMap1G: 4194304 kB
/proc/mounts
rootfs / rootfs rw 0 0
sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0
proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0
udev /dev devtmpfs rw,relatime,size=10240k,nr_inodes=1001629,mode=755 0 0
devpts /dev/pts devpts rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000 0 0
tmpfs /run tmpfs rw,nosuid,relatime,size=1619196k,mode=755 0 0
/dev/disk/by-uuid/8ddef98a-550b-4d5c-a044-4aa4c7638b31 / ext4 rw,noatime,errors=remount-ro,data=ordered 0 0
securityfs /sys/kernel/security securityfs rw,nosuid,nodev,noexec,relatime 0 0
tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0
tmpfs /sys/fs/cgroup tmpfs rw,nosuid,nodev,noexec,mode=755 0 0
cgroup /sys/fs/cgroup/systemd cgroup rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd 0 0
pstore /sys/fs/pstore pstore rw,nosuid,nodev,noexec,relatime 0 0
cgroup /sys/fs/cgroup/cpuset cgroup rw,nosuid,nodev,noexec,relatime,cpuset 0 0
cgroup /sys/fs/cgroup/cpu,cpuacct cgroup rw,nosuid,nodev,noexec,relatime,cpu,cpuacct 0 0
cgroup /sys/fs/cgroup/devices cgroup rw,nosuid,nodev,noexec,relatime,devices 0 0
cgroup /sys/fs/cgroup/freezer cgroup rw,nosuid,nodev,noexec,relatime,freezer 0 0
cgroup /sys/fs/cgroup/net_cls,net_prio cgroup rw,nosuid,nodev,noexec,relatime,net_cls,net_prio 0 0
cgroup /sys/fs/cgroup/blkio cgroup rw,nosuid,nodev,noexec,relatime,blkio 0 0
cgroup /sys/fs/cgroup/perf_event cgroup rw,nosuid,nodev,noexec,relatime,perf_event 0 0
systemd-1 /proc/sys/fs/binfmt_misc autofs rw,relatime,fd=25,pgrp=1,timeout=300,minproto=5,maxproto=5,direct 0 0
mqueue /dev/mqueue mqueue rw,relatime 0 0
debugfs /sys/kernel/debug debugfs rw,relatime 0 0
hugetlbfs /dev/hugepages hugetlbfs rw,relatime 0 0
fusectl /sys/fs/fuse/connections fusectl rw,relatime 0 0
tmpfs /var/www/vidmgr/artwork tmpfs rw,relatime,size=16384k 0 0
tmpfs /run/lock tmpfs rw,nosuid,nodev,noexec,relatime,size=5120k 0 0
tmpfs /run/user tmpfs rw,nosuid,nodev,noexec,relatime,size=102400k,mode=755 0 0
/dev/md1 /boot ext2 ro,relatime 0 0
rpc_pipefs /run/rpc_pipefs rpc_pipefs rw,relatime 0 0
nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
Backup:/Backup /Backup nfs rw,relatime,vers=3,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.51,mountvers=3,mountport=55068,mountproto=tcp,local_lock=none,addr=192.168.1.51 0 0
Backup:/var/www /var/www/backup nfs rw,relatime,vers=3,rsize=524288,wsize=524288,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.51,mountvers=3,mountport=55068,mountproto=tcp,local_lock=none,addr=192.168.1.51 0 0
binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0
/proc/partitions
major minor #blocks name
8 80 125034840 sdf
8 81 96256 sdf1
8 82 112305152 sdf2
8 83 12632064 sdf3
8 96 125034840 sdg
8 97 96256 sdg1
8 98 112305152 sdg2
8 99 12632064 sdg3
8 112 4883770584 sdh
8 0 3907018584 sda
8 16 4883770584 sdb
8 32 3907018584 sdc
8 48 3907018584 sdd
8 64 3907018584 sde
9 1 96192 md1
9 3 12623744 md3
9 2 112239488 md2
9 0 23441319936 md0
11 0 1048575 sr0
mdadm -D /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Fri Oct 3 20:06:55 2014
Raid Level : raid6
Array Size : 23441319936 (22355.39 GiB 24003.91 GB)
Used Dev Size : 3906886656 (3725.90 GiB 4000.65 GB)
Raid Devices : 8
Total Devices : 6
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Wed May 13 22:29:10 2015
State : clean, degraded
Active Devices : 6
Working Devices : 6
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 1024K
Name : RAID-Server:0 (local to host RAID-Server)
UUID : d26e92db:8bd207bb:db9bec69:4117ed57
Events : 503477
Number Major Minor RaidDevice State
10 8 112 0 active sync /dev/sdh
1 8 0 1 active sync /dev/sda
8 8 16 2 active sync /dev/sdb
6 0 0 6 removed
8 0 0 8 removed
5 8 32 5 active sync /dev/sdc
6 8 48 6 active sync /dev/sdd
7 8 64 7 active sync /dev/sde
No LVM
8 x 4T SATA hard drives, various make and model
dmesg | grep -i xfs
[ 396.231175] xfs_repair[1951]: segfault at d0 ip 00007f63b651d6c4 sp 00007f63b5991ca8 error 6 in libc-2.19.so[7f63b6498000+19f000]
[ 8444.084733] xfs_repair[9236]: segfault at d0 ip 00007fbe7c8356c4 sp 00007fbe79ca5ca8 error 6 in libc-2.19.so[7fbe7c7b0000+19f000]
Mount hangs if attempted
The XFS meta dump0 can be found at http://fletchergeek.com/images/metaxfs.gz
RAID-Server:/var/log# xfs_repair -v /dev/md0
Phase 1 - find and verify superblock...
- reporting progress in intervals of 15 minutes
- block cache size set to 395032 entries
Phase 2 - using internal log
- zero log...
zero_log: head block 8 tail block 8
... <after a few minutes>
- scan filesystem freespace and inode maps...
agi unlinked bucket 38 is 163000358 in ag 31 (inode=133306986534)
zeroing unused portion of secondary superblock (AG #5)
Segmentation fault
-----Original Message-----
From: Brian Foster [mailto:bfoster@xxxxxxxxxx]
Sent: Thursday, May 14, 2015 5:44 AM
To: Rhorer, Leslie
Cc: xfs@xxxxxxxxxxx
Subject: Re: xfs_repair fails
On Thu, May 14, 2015 at 04:17:17AM +0000, Rhorer, Leslie wrote:
> I have an XFS filesystem built on a 24T RAID6 Array under Debian Jessie Linux. The kernel is 3.16-2-amd64, and the xfs_repair version is 3.2.1. The file system has some inconsistencies, but every time I try to run xfs_repair, it segfaults. What should I do?
>
Include as much information as you can about the filesystem, storage and
problem:
http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F
For a repair crash, the full output of the repair is a good start. Also, an xfs_metadump of the fs is probably the most effective tool to help us try and reproduce the problem, if you have somewhere you can post one.
Brian
>
>
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