Hi,
I've a weird problem, sometimes a random file "stucks" after 1-2 weeks
uptime on a xfs partition within a vs. the xfs is laying on lvm2 &
dm-crypto, userspace is 32bit Debian, kernel is AMD64. I using vs since
2.6.14.4-2.1.x but I changed to 2.6.15.2-2.1.0.5.1 when this problem
appeared and I hoped that it will solve it - but unfortunately not..
today I got another "stucked" file, the process goes to state 'D' if I
try to stat or open it. another files in this directory are working
well.
It's a highly loaded file server and I never had same problem outside
the vs, so I think it isn't a generic xfs problem. I've noticed that
too, this lockup happens on mass rm'ing of files, but of course not on
every mass rm.. as I said, it's a really big file server with millions
of files, please think twice before you say "xfs? vs? it's works for me
at home!" :)
the details..
dmesg is empty on the host, no panic or same.
this kernel process is stucked on the host:
root 15062 0.4 0.0 0 0 ? D Mar06 6:15 [pdflush]
vs:/# uname -a
Linux vs 2.6.15.2-vs2.1.0.5.1 #4 SMP Tue Feb 14 18:15:09 CET 2006 x86_64
GNU/Linux
vs:/# uptime
18:26:21 up 9 days, 8:36, 2 users, load average: 30.5, 30.5, 30.2
- it's not "real" load, I've kicked out the users, no network traffic
vs:/# cat /proc/mounts
rootfs / rootfs rw 0 0
/dev/root / ext3 rw,data=ordered 0 0
/dev/mapper/blv /mirror/pub xfs rw,nosuid,nodev,noexec 0 0
/dev/mapper/bvlv /mirror/pub/fsn xfs rw,nosuid,nodev,noexec 0 0
none /proc proc rw,nodiratime,nodev 0 0
none /tmp tmpfs rw,nodev 0 0
none /dev/pts devpts rw 0 0
/dev2/root2 /bin ext3 ro,nodev,data=ordered 0 0
/dev2/root2 /sbin ext3 ro,nodev,data=ordered 0 0
/dev2/root2 /lib ext3 ro,nodev,data=ordered 0 0
/dev2/root2 /lib/modules ext3 ro,nodev,data=ordered 0 0
/dev2/root2 /usr ext3 ro,nodev,data=ordered 0 0
/dev2/root2 /usr/local ext3 ro,nodev,data=ordered 0 0
/dev2/root2 /etc/terminfo ext3 ro,nodev,data=ordered 0 0
/dev2/root2 /etc/alternatives ext3 ro,nodev,data=ordered 0 0
vs:/# ps axu (too long to paste here, cutted)
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 1 0.0 0.0 1516 464 ? S Feb26 0:01 init [3]
root 11733 0.0 0.0 1848 540 ? SN Feb26 0:01
/usr/sbin/inetutils-inetd -R 120
root 11757 0.0 0.0 3368 516 ? SNs Feb26 0:00 /usr/sbin/sshd
root 11799 0.0 0.0 1764 588 ? SNs Feb26 0:00 /usr/sbin/cron
#497 11763 0.0 0.0 4128 960 ? DN 09:20 0:31 ftpd
#492 19892 0.0 0.0 4140 960 ? DN 09:31 0:06 ftpd
#497 26474 0.0 0.0 4008 928 ? DN 09:39 0:00 ftpd
#492 28038 0.0 0.0 4128 956 ? DN 09:40 0:00 ftpd
#497 2061 0.0 0.0 4008 928 ? DN 09:48 0:00 ftpd
#497 2405 0.0 0.0 4008 928 ? DN 09:49 0:00 ftpd
#497 3524 0.0 0.0 4128 956 ? DN 09:50 0:00 ftpd
root 16748 0.0 0.0 1912 508 ? DN 11:30 0:00
/opt/bin/myglinsert 3 bla bla
root 25866 0.0 0.0 1916 508 ? DN 13:30 0:00
/opt/bin/myglinsert 3 bla bla
...
vs:/# ls -l /proc/19892/fd/
lrwx------ 1 root root 64 Mar 7 18:32 0 -> socket:[33836916]
lrwx------ 1 root root 64 Mar 7 18:32 1 -> socket:[33836916]
l-wx------ 1 root root 64 Mar 7 18:32 2 -> /dev/null
lrwx------ 1 root root 64 Mar 7 18:32 6 -> /mirror/pub/lacee/site
lrwx------ 1 root root 64 Mar 7 18:32 7 -> socket:[33850456]
vs:/# ls -l /proc/2405/fd/
lrwx------ 1 root root 64 Mar 7 18:34 0 -> socket:[33884876]
lrwx------ 1 root root 64 Mar 7 18:34 1 -> socket:[33884876]
l-wx------ 1 root root 64 Mar 7 18:34 2 -> /dev/null
lr-x------ 1 root root 64 Mar 7 18:34 6 -> /mirror/pub/lacee/site
..the rest is same..
vs:/# stat /mirror/pub/lacee/site
File: `/mirror/pub/lacee/site'
Size: 4096 Blocks: 16 IO Block: 4096 directory
Device: fd14h/64788d Inode: 1613995234 Links: 3
Access: (0777/drwxrwxrwx) Uid: ( 497/ UNKNOWN) Gid: ( 9500/ UNKNOWN)
Access: 2006-03-07 18:30:07.769923805 +0100
Modify: 2006-03-07 09:36:30.683606795 +0100
Change: 2006-03-07 09:36:30.683606795 +0100
vs:/# cd /mirror/pub/lacee/site
vs:site# ls | wc -l
84
vs:site# for i in *; do echo "$i"; stat "$i"; done
...
bc-me2bo.r49
[oops, 'stat' locked on this file!]
SysRQ+t - very long, copied only the stucked processes, but not all of
them is here, cause the 'dmesg' buffer is too small and I haven't a
serial console :(
kernel: myglinsert D ffff81003438c000 0 16748 16740
kernel: ffff810013347ce8 0000000000000086 0000000000000000 0000000000000292
kernel: 0000000000000292 0000000000000000 0000000000000008
ffff81007b708260
kernel: 0000000000000292 ffffffff880e3596
kernel: Call Trace:<ffffffff880e3596>{:xfs:xfs_iunlock+102}
<ffffffff8019fa8f>{__d_lookup+159}
kernel: <ffffffff803deea1>{__down_read+129}
<ffffffff880fc211>{:xfs:xfs_getattr+65}
kernel: <ffffffff8810d23b>{:xfs:vn_revalidate+59}
<ffffffff8019525f>{link_path_walk+415}
kernel: <ffffffff88109d14>{:xfs:linvfs_getattr+36}
<ffffffff8018f587>{vfs_getattr+39}
kernel: <ffffffff8018f620>{vfs_stat+64}
<ffffffff80232915>{_atomic_dec_and_lock+53}
kernel: <ffffffff801201ff>{sys32_stat64+31}
<ffffffff8011fd01>{ia32_sysret+0}
kernel: myglinsert D ffff81003438c000 0 9169 9166
kernel: ffff810006be9ce8 0000000000000082 0000000000000000 0000000000000292
kernel: 0000000000000292 0000000000000001 0000000000000008
ffff81007b708260
kernel: 0000000000000292 ffffffff880e3596
kernel: Call Trace:<ffffffff880e3596>{:xfs:xfs_iunlock+102}
<ffffffff8019fa8f>{__d_lookup+159}
kernel: <ffffffff803deea1>{__down_read+129}
<ffffffff880fc211>{:xfs:xfs_getattr+65}
kernel: <ffffffff8810d23b>{:xfs:vn_revalidate+59}
<ffffffff8019525f>{link_path_walk+415}
kernel: <ffffffff88109d14>{:xfs:linvfs_getattr+36}
<ffffffff8018f587>{vfs_getattr+39}
kernel: <ffffffff8018f620>{vfs_stat+64}
<ffffffff801201ff>{sys32_stat64+31}
kernel: <ffffffff8011fd01>{ia32_sysret+0}
kernel: ftpd D ffff81003438c000 0 2386 11733
kernel: ffff81003da51ce8 0000000000000082 ffff81002db6f978 0000000000000000
kernel: ffff81003da51c38 0000000000000000 ffff810026f181c0
ffff81007489ce00
kernel: ffff81006d851980 ffff81003da51d28
kernel: Call Trace:<ffffffff8019fdf0>{d_rehash+112}
<ffffffff8019fa8f>{__d_lookup+159}
kernel: <ffffffff803deea1>{__down_read+129}
<ffffffff880fc211>{:xfs:xfs_getattr+65}
kernel: <ffffffff8810d23b>{:xfs:vn_revalidate+59}
<ffffffff8019525f>{link_path_walk+415}
kernel: <ffffffff88109d14>{:xfs:linvfs_getattr+36}
<ffffffff8018f587>{vfs_getattr+39}
kernel: <ffffffff8018f620>{vfs_stat+64}
<ffffffff801201ff>{sys32_stat64+31}
kernel: <ffffffff8011fd01>{ia32_sysret+0}
kernel: glftpd D ffff81003438c000 0 2525 11733 27183 2386
(NOTLB)
kernel: ffff810005f13ce8 0000000000000086 ffff810005f13c40 0000000000000000
kernel: 0000000000000286 0000000000000000 00000001ffffffff
0000000000000000
kernel: ffff810005f13d48 ffff810005f13cc8
kernel: Call Trace:<ffffffff8019fa8f>{__d_lookup+159}
<ffffffff803deea1>{__down_read+129}
kernel: <ffffffff880fc211>{:xfs:xfs_getattr+65}
<ffffffff8810d23b>{:xfs:vn_revalidate+59}
kernel: <ffffffff8019525f>{link_path_walk+415}
<ffffffff88109d14>{:xfs:linvfs_getattr+36}
kernel: <ffffffff8018f587>{vfs_getattr+39}
<ffffffff8018f620>{vfs_stat+64}
kernel: <ffffffff801201ff>{sys32_stat64+31}
<ffffffff8011fd01>{ia32_sysret+0}
kernel: cclean.php D ffff81003438c000 0 19166 1 13109 6766
(NOTLB)
kernel: ffff81002688bce8 0000000000000082 ffff81002688bc40 0000000000000000
kernel: 0000000000000292 0000000000000001 00000001ffffffff
0000000000000000
kernel: 0000000055960e80 ffff81002688a000
kernel: Call Trace:<ffffffff8019fa8f>{__d_lookup+159}
<ffffffff803deea1>{__down_read+129}
kernel: <ffffffff880fc211>{:xfs:xfs_getattr+65}
<ffffffff8810d23b>{:xfs:vn_revalidate+59}
kernel: <ffffffff8019525f>{link_path_walk+415}
<ffffffff88109d14>{:xfs:linvfs_getattr+36}
kernel: <ffffffff8018f587>{vfs_getattr+39}
<ffffffff8018f620>{vfs_stat+64}
kernel: <ffffffff801201ff>{sys32_stat64+31}
<ffffffff8011fd01>{ia32_sysret+0}
kernel: glftpd D ffff81003438c000 0 27183 11733 30995 2525
(NOTLB)
kernel: ffff81005c3afa28 0000000000000082 0000000000000000 ffffffff803ddec3
kernel: ffff81005c3afa48 0000000000000001 ffff81003787f0e0
0000000000000092
kernel: ffff81003c1dfb40 0000000000000000
kernel: Call Trace:<ffffffff803ddec3>{thread_return+0}
<ffffffff803df1d8>{__down+152}
kernel: <ffffffff8012dd50>{default_wake_function+0}
<ffffffff803defca>{__down_failed+53}
kernel: <ffffffff88106951>{:xfs:.text.lock.xfs_buf+25}
<ffffffff88104d94>{:xfs:_pagebuf_find+372}
kernel: <ffffffff88104e82>{:xfs:xfs_buf_get_flags+82}
<ffffffff88104f8a>{:xfs:xfs_buf_read_flags+26}
kernel: <ffffffff880f7feb>{:xfs:xfs_trans_read_buf+427}
<ffffffff880b401c>{:xfs:xfs_alloc_read_agf+108}
kernel: <ffffffff880b3a93>{:xfs:xfs_alloc_fix_freelist+291}
kernel: <ffffffff80169b54>{cache_alloc_refill+100}
<ffffffff803dee32>{__down_read+18}
kernel: <ffffffff880b45b8>{:xfs:xfs_free_extent+152}
<ffffffff880dd434>{:xfs:xfs_efd_init+68}
kernel: <ffffffff880f865b>{:xfs:xfs_trans_get_efd+43}
<ffffffff880c32d8>{:xfs:xfs_bmap_finish+232}
kernel: <ffffffff880e53f4>{:xfs:xfs_itruncate_finish+420}
<ffffffff880eb3a1>{:xfs:xfs_log_reserve+193}
kernel: <ffffffff880fe15e>{:xfs:xfs_inactive+558}
<ffffffff8810bfb1>{:xfs:linvfs_clear_inode+161}
kernel: <ffffffff801a0b10>{clear_inode+224}
<ffffffff801a1bfd>{generic_delete_inode+205}
kernel: <ffffffff801a1e6b>{iput+123} <ffffffff801972c3>{sys_unlink+259}
kernel: <ffffffff8011fd01>{ia32_sysret+0}
kernel: glftpd D ffff81003438c000 0 30995 11733 32325 27183
(NOTLB)
kernel: ffff81002bb1da28 0000000000000082 0000000000000292 ffffffff8035631a
kernel: 0000000000011200 0000000000000000 ffff810021f6d6c0
ffffffff80227596
kernel: ffff810002faab80 ffff810001e099e0
kernel: Call Trace:<ffffffff8035631a>{dm_request+122}
<ffffffff80227596>{generic_make_request+262}
kernel: <ffffffff8012c07b>{try_to_wake_up+1179}
<ffffffff803df1d8>{__down+152}
kernel: <ffffffff8012dd50>{default_wake_function+0}
<ffffffff803defca>{__down_failed+53}
kernel: <ffffffff88106951>{:xfs:.text.lock.xfs_buf+25}
<ffffffff88104d94>{:xfs:_pagebuf_find+372}
kernel: <ffffffff88104e82>{:xfs:xfs_buf_get_flags+82}
<ffffffff88104f8a>{:xfs:xfs_buf_read_flags+26}
kernel: <ffffffff880f7feb>{:xfs:xfs_trans_read_buf+427}
<ffffffff880b401c>{:xfs:xfs_alloc_read_agf+108}
kernel: <ffffffff880f7075>{:xfs:_xfs_trans_commit+757}
<ffffffff880b3a93>{:xfs:xfs_alloc_fix_freelist+291}
kernel: <ffffffff880f8917>{:xfs:xfs_trans_log_inode+39}
<ffffffff803dee32>{__down_read+18}
kernel: <ffffffff880b45b8>{:xfs:xfs_free_extent+152}
<ffffffff880dd434>{:xfs:xfs_efd_init+68}
kernel: <ffffffff880f865b>{:xfs:xfs_trans_get_efd+43}
<ffffffff880c32d8>{:xfs:xfs_bmap_finish+232}
kernel: <ffffffff880e53f4>{:xfs:xfs_itruncate_finish+420}
<ffffffff880eb3a1>{:xfs:xfs_log_reserve+193}
kernel: <ffffffff880fe15e>{:xfs:xfs_inactive+558}
<ffffffff8810bfb1>{:xfs:linvfs_clear_inode+161}
kernel: <ffffffff801a0b10>{clear_inode+224}
<ffffffff801a1bfd>{generic_delete_inode+205}
kernel: <ffffffff801a1e6b>{iput+123} <ffffffff801972c3>{sys_unlink+259}
kernel: <ffffffff8011fd01>{ia32_sysret+0}
kernel: ls D ffff81003438c000 0 11984 1 6766 31054
(NOTLB)
kernel: ffff81001e1d1ce8 0000000000000082 0000000000002002 0000000000000000
kernel: 0000000000002000 0000000000000001 0000000000000000
ffffffff880b0b5b
kernel: 0000000000000292 ffff8100218a15a8
kernel: Call Trace:<ffffffff880b0b5b>{:xfs:xfs_acl_get_attr+91}
<ffffffff8019fa8f>{__d_lookup+159}
kernel: <ffffffff803deea1>{__down_read+129}
<ffffffff880fc211>{:xfs:xfs_getattr+65}
kernel: <ffffffff8810d23b>{:xfs:vn_revalidate+59}
<ffffffff8019525f>{link_path_walk+415}
kernel: <ffffffff88109d14>{:xfs:linvfs_getattr+36}
<ffffffff8018f587>{vfs_getattr+39}
kernel: <ffffffff8018f68d>{vfs_lstat+61}
<ffffffff80232915>{_atomic_dec_and_lock+53}
kernel: <ffffffff8012024f>{sys32_lstat64+31}
<ffffffff801a3d14>{mntput_no_expire+36}
kernel: <ffffffff8018502e>{filp_close+110}
<ffffffff801850fe>{sys_close+174}
kernel: <ffffffff8011fd01>{ia32_sysret+0}
kernel: glftpd D ffff81003438c000 0 18288 11733 18297 17046
(NOTLB)
kernel: ffff8100271adce8 0000000000000082 0000000000000000 0000000000000292
kernel: 0000000000000292 0000000000000000 0000000000000008
ffff81007b708260
kernel: 0000000000000292 ffffffff880e3596
kernel: Call Trace:<ffffffff880e3596>{:xfs:xfs_iunlock+102}
<ffffffff8019fa8f>{__d_lookup+159}
kernel: <ffffffff803deea1>{__down_read+129}
<ffffffff880fc211>{:xfs:xfs_getattr+65}
kernel: <ffffffff8810d23b>{:xfs:vn_revalidate+59}
<ffffffff8019525f>{link_path_walk+415}
kernel: <ffffffff88109d14>{:xfs:linvfs_getattr+36}
<ffffffff8018f587>{vfs_getattr+39}
kernel: <ffffffff8018f620>{vfs_stat+64}
<ffffffff801a1ee4>{update_atime+68}
kernel: <ffffffff801201ff>{sys32_stat64+31}
<ffffffff8011fd01>{ia32_sysret+0}
interesting parts of the kernel .config:
...
CONFIG_XFS_FS=m
CONFIG_XFS_EXPORT=y
# CONFIG_XFS_QUOTA is not set
# CONFIG_XFS_SECURITY is not set
CONFIG_XFS_POSIX_ACL=y
# CONFIG_XFS_RT is not set
...
CONFIG_VSERVER=y
CONFIG_VSERVER_SECURITY=y
CONFIG_VSERVER_LEGACYNET=y
CONFIG_VSERVER_LEGACY=y
# CONFIG_VSERVER_LEGACY_VERSION is not set
CONFIG_VSERVER_DYNAMIC_IDS=y
# CONFIG_VSERVER_NGNET is not set
CONFIG_VSERVER_COWBL=y (hm, this one is shady for me..!)
CONFIG_VSERVER_PROC_SECURE=y
CONFIG_VSERVER_HARDCPU=y
# CONFIG_VSERVER_IDLETIME is not set
# CONFIG_VSERVER_IDLELIMIT is not set
# CONFIG_INOXID_NONE is not set
# CONFIG_INOXID_UID16 is not set
# CONFIG_INOXID_GID16 is not set
CONFIG_INOXID_UGID24=y
# CONFIG_INOXID_INTERN is not set
# CONFIG_INOXID_RUNTIME is not set
# CONFIG_XID_TAG_NFSD is not set
# CONFIG_XID_PROPAGATE is not set
# CONFIG_VSERVER_DEBUG is not set
...
thanks for your attention
--
d
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