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XFS over 7.7TB LVM partition through NFS

To: linux-kernel@xxxxxxxxxxxxxxx, linux-xfs@xxxxxxxxxxx
Subject: XFS over 7.7TB LVM partition through NFS
From: Jirka Kosina <jikos@xxxxxxxx>
Date: Wed, 7 Jan 2004 18:36:49 +0100 (CET)
Sender: linux-xfs-bounce@xxxxxxxxxxx
Hi,

I am experiencing problems with LVM2 XFS partition in 2.6.0 being accessed 
over NFS. After exporting the filesystem clients start writing files to 
this partition over NFS, and after a short while we get this call trace, 
repeating indefinitely on the screen and the machine stops responding 
(keyboard, network):

Jan  8 01:40:28 storage2 kernel: Call Trace:
Jan  8 01:40:28 storage2 kernel:  [xfs_alloc_read_agf+321/582] 
xfs_alloc_read_agf+0x141/0x246
Jan  8 01:40:28 storage2 kernel:  [xfs_alloc_fix_freelist+452/1200] 
xfs_alloc_fix_freelist+0x1c4/0x4b0
Jan  8 01:40:28 storage2 last message repeated 2 times
Jan  8 01:40:28 storage2 kernel:  [xfs_alloc_vextent+711/1324] 
xfs_alloc_vextent+0x2c7/0x52c
Jan  8 01:40:28 storage2 kernel:  [xfs_bmap_alloc+4129/6483] 
xfs_bmap_alloc+0x1021/0x1953
Jan  8 01:40:28 storage2 kernel:  [handle_IRQ_event+58/100] 
handle_IRQ_event+0x3a/0x64
Jan  8 01:40:28 storage2 kernel:  [ata_output_data+187/207] 
ata_output_data+0xbb/0xcf
Jan  8 01:40:28 storage2 kernel:  [xfs_bmbt_get_state+47/59] 
xfs_bmbt_get_state+0x2f/0x3b
Jan  8 01:40:28 storage2 kernel:  [xfs_bmapi+1611/5752] xfs_bmapi+0x64b/0x1678
Jan  8 01:40:28 storage2 kernel:  [update_process_times+70/82] 
update_process_times+0x46/0x52
Jan  8 01:40:28 storage2 kernel:  [xfs_bmbt_get_state+47/59] 
xfs_bmbt_get_state+0x2f/0x3b
Jan  8 01:40:28 storage2 kernel:  [xfs_log_reserve+142/211] 
xfs_log_reserve+0x8e/0xd3
Jan  8 01:40:28 storage2 kernel:  [xfs_iomap_write_allocate+594/1341] 
xfs_iomap_write_allocate+0x252/0x53d
Jan  8 01:40:28 storage2 kernel:  [apic_timer_interrupt+26/32] 
apic_timer_interrupt+0x1a/0x20
Jan  8 01:40:28 storage2 kernel:  [xfs_iunlock+74/116] xfs_iunlock+0x4a/0x74
Jan  8 01:40:28 storage2 kernel:  [xfs_iomap+1001/1357] xfs_iomap+0x3e9/0x54d
Jan  8 01:40:28 storage2 kernel:  [map_blocks+120/345] map_blocks+0x78/0x159
Jan  8 01:40:28 storage2 kernel:  [page_state_convert+1200/1628] 
page_state_convert+0x4b0/0x65c
Jan  8 01:40:28 storage2 kernel:  [pagebuf_iorequest+170/354] 
pagebuf_iorequest+0xaa/0x162
Jan  8 01:40:28 storage2 kernel:  [xfs_xlate_dinode_core+1319/2142] 
xfs_xlate_dinode_core+0x527/0x85e
Jan  8 01:40:28 storage2 kernel:  [xfs_bdstrat_cb+58/72] 
xfs_bdstrat_cb+0x3a/0x48
Jan  8 01:40:28 storage2 kernel:  [pagebuf_iostart+72/162] 
pagebuf_iostart+0x48/0xa2
Jan  8 01:40:28 storage2 kernel:  [xfs_iflush+652/1288] xfs_iflush+0x28c/0x508
Jan  8 01:40:28 storage2 kernel:  [linvfs_writepage+96/282] 
linvfs_writepage+0x60/0x11a
Jan  8 01:40:28 storage2 kernel:  [mpage_writepages+532/794] 
mpage_writepages+0x214/0x31a
Jan  8 01:40:28 storage2 kernel:  [linvfs_writepage+0/282] 
linvfs_writepage+0x0/0x11a
Jan  8 01:40:28 storage2 kernel:  [do_writepages+54/58] do_writepages+0x36/0x3a
Jan  8 01:40:28 storage2 kernel:  [__sync_single_inode+211/545] 
__sync_single_inode+0xd3/0x221
Jan  8 01:40:28 storage2 kernel:  [sync_sb_inodes+381/675] 
sync_sb_inodes+0x17d/0x2a3
Jan  8 01:40:28 storage2 kernel:  [writeback_inodes+80/163] 
writeback_inodes+0x50/0xa3
Jan  8 01:40:28 storage2 kernel:  [balance_dirty_pages+72/318] 
balance_dirty_pages+0x48/0x13e
Jan  8 01:40:28 storage2 kernel:  [generic_file_aio_write_nolock+1292/3062] 
generic_file_aio_write_nolock+0x50c/0xbf6
Jan  8 01:40:28 storage2 kernel:  [schedule+612/1485] schedule+0x264/0x5cd
Jan  8 01:40:28 storage2 kernel:  [default_wake_function+0/18] 
default_wake_function+0x0/0x12
Jan  8 01:40:28 storage2 kernel:  [xfs_ichgtime+83/300] xfs_ichgtime+0x53/0x12c
Jan  8 01:40:28 storage2 kernel:  [xfs_iunlock+74/116] xfs_iunlock+0x4a/0x74
Jan  8 01:40:28 storage2 kernel:  [xfs_write+637/2192] xfs_write+0x27d/0x890
Jan  8 01:40:28 storage2 kernel:  [xfs_ichgtime+250/300] xfs_ichgtime+0xfa/0x12c
Jan  8 01:40:28 storage2 kernel:  [linvfs_write+213/333] linvfs_write+0xd5/0x14d
Jan  8 01:40:28 storage2 kernel:  [do_sync_write+139/205] 
do_sync_write+0x8b/0xcd
Jan  8 01:40:28 storage2 kernel:  [update_process_times+70/82] 
update_process_times+0x46/0x52
Jan  8 01:40:28 storage2 kernel:  [update_wall_time+13/54] 
update_wall_time+0xd/0x36
Jan  8 01:40:28 storage2 kernel:  [do_IRQ+277/307] do_IRQ+0x115/0x133
Jan  8 01:40:28 storage2 kernel:  [do_sync_write+0/205] do_sync_write+0x0/0xcd
Jan  8 01:40:28 storage2 kernel:  [vfs_write+211/322] vfs_write+0xd3/0x142
Jan  8 01:40:28 storage2 kernel:  [sys_write+66/99] sys_write+0x42/0x63
Jan  8 01:40:28 storage2 kernel:  [syscall_call+7/11] syscall_call+0x7/0xb

We are using kernel 2.6.0, LVM2.2.00.08 and device-mapper.1.00.07

The partition is approximately 7.7TB large.

(please CC: me on reply, as I am only subscribed to LKML and not to 
linux-xfs).

Thanks in advance.

-- 
JiKos.


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