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[xfs-masters] [Bug 400] lvm2 snapshots?

To: xfs-master@xxxxxxxxxxx
Subject: [xfs-masters] [Bug 400] lvm2 snapshots?
From: bugzilla-daemon@xxxxxxxxxxx
Date: Mon, 27 Jun 2005 00:09:44 -0700
Reply-to: xfs-masters@xxxxxxxxxxx
Sender: xfs-masters-bounce@xxxxxxxxxxx
http://oss.sgi.com/bugzilla/show_bug.cgi?id=400


schaffoe@xxxxxxxxxxxxxxxxxxxxxxxx changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
           Priority|                            |P1
           Platform|                            |All
         Resolution|WONTFIX                     |




------- Additional Comments From schaffoe@xxxxxxxxxxxxxxxxxxxxxxxx  2005-06-27 
00:09 CST -------
Almost same setup (SLES 9 SP1 with kernel 2.6.11.12, LVM2 volume with XFS,
Snapshots taken using EVMS 2.5.2) and same error here:

Jun 26 06:51:09 ko-cluster kernel: Access to block zero: fs: <dm-34> inode:
762352251 start_block : 0 start_off : 0 blkcnt : 0 extent-state : 0 
Jun 26 06:51:09 ko-cluster kernel: ------------[ cut here ]------------
Jun 26 06:51:09 ko-cluster kernel: kernel BUG at fs/xfs/support/debug.c:106!
Jun 26 06:51:09 ko-cluster kernel: invalid operand: 0000 [#1]
Jun 26 06:51:09 ko-cluster kernel: SMP 
Jun 26 06:51:09 ko-cluster kernel: Modules linked in: ipt_MASQUERADE
nls_iso8859_1 nls_cp437 w83627hf eeprom w83781d adm1021 i2c_sensor i2c_i801
i2c_dev st sr_mod nls_cp850 nls_utf8 smbfs vfat fat nfsd bond0 tg3 ipt_TCPMSS
ipt_TOS e100 mii i2c_core hw_random uhci_hcd evdev ipt_state ipt_LOG e1000
usbcore ipt_REJECT iptable_mangle iptable_filter ip_nat_ftp iptable_nat
ip_conntrack_ftp ip_conntrack ip_tables ide_cd cdrom capability commoncap xfs
exportfs ext3 jbd dm_snapshot dm_mod aic7xxx sd_mod scsi_mod
Jun 26 06:51:09 ko-cluster kernel: CPU:    0
Jun 26 06:51:09 ko-cluster kernel: EIP:    0060:[<f8f6c3f5>]    Not tainted VLI
Jun 26 06:51:09 ko-cluster kernel: EFLAGS: 00010246   (2.6.11.12MSTEST) 
Jun 26 06:51:09 ko-cluster kernel: EIP is at cmn_err+0xa5/0xd0 [xfs]
Jun 26 06:51:09 ko-cluster kernel: eax: f8f83c84   ebx: f8f6f1e8   ecx: cae1f898
  edx: 00000293
Jun 26 06:51:09 ko-cluster kernel: esi: 00000000   edi: f8f88140   ebp: 00000000
  esp: cae1f894
Jun 26 06:51:09 ko-cluster kernel: ds: 007b   es: 007b   ss: 0068
Jun 26 06:51:09 ko-cluster kernel: Process bpbkar (pid: 4866,
threadinfo=cae1e000 task=f5823540)
Jun 26 06:51:09 ko-cluster kernel: Stack: f8f6efdc f8f6efa3 f8f88140 00000293
00000000 00000000 cae1fa04 ea147310 
Jun 26 06:51:09 ko-cluster kernel:        f8f16f08 00000000 f8f6f1e8 f6299ee0
2d70927b 00000000 00000000 00000000 
Jun 26 06:51:09 ko-cluster kernel:        00000000 00000000 00000000 00000000
00000000 00000000 ea147360 ea147310 
Jun 26 06:51:09 ko-cluster kernel: Call Trace:
Jun 26 06:51:09 ko-cluster kernel:  [<f8f16f08>]
xfs_bmap_search_extents+0xf8/0x120 [xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<f8f18382>] xfs_bmapi+0x2b2/0x1750 [xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<f886c9e8>] dm_request+0x68/0xa0 [dm_mod]
Jun 26 06:51:09 ko-cluster kernel:  [<c0133350>] 
autoremove_wake_function+0x0/0x50
Jun 26 06:51:09 ko-cluster kernel:  [<c024aed7>] generic_make_request+0xb7/0x220
Jun 26 06:51:09 ko-cluster kernel:  [<c0133350>] 
autoremove_wake_function+0x0/0x50
Jun 26 06:51:09 ko-cluster kernel:  [<c0133301>] finish_wait+0x21/0x70
Jun 26 06:51:09 ko-cluster kernel:  [<f886c954>] __split_bio+0xf4/0x120 [dm_mod]
Jun 26 06:51:09 ko-cluster kernel:  [<f8f4212e>] xfs_imap_to_bmap+0x2e/0x2b0 
[xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<f8f42535>] xfs_iomap+0x185/0x4b0 [xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<f8f62ae3>] __linvfs_get_block+0x83/0x320 
[xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<f8f62daf>] linvfs_get_block+0x2f/0x40 
[xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<c018228c>] do_mpage_readpage+0x18c/0x490
Jun 26 06:51:09 ko-cluster kernel:  [<c0291913>] nf_iterate+0x63/0xb0
Jun 26 06:51:09 ko-cluster kernel:  [<c0111bd5>] smp_send_reschedule+0x55/0x70
Jun 26 06:51:09 ko-cluster kernel:  [<c01e2a10>] radix_tree_node_alloc+0x10/0x60
Jun 26 06:51:09 ko-cluster kernel:  [<c01e2c5b>] radix_tree_insert+0x8b/0x110
Jun 26 06:51:09 ko-cluster kernel:  [<c013e26a>] add_to_page_cache+0xba/0xe0
Jun 26 06:51:09 ko-cluster kernel:  [<c01825e6>] mpage_readpages+0x56/0x120
Jun 26 06:51:09 ko-cluster kernel:  [<f8f62d80>] linvfs_get_block+0x0/0x40 [xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<c0145210>] read_pages+0xf0/0x100
Jun 26 06:51:09 ko-cluster kernel:  [<f8f62d80>] linvfs_get_block+0x0/0x40 [xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<c0142db5>] __alloc_pages+0xc5/0x3b0
Jun 26 06:51:09 ko-cluster kernel:  [<c01452fe>]
__do_page_cache_readahead+0xde/0x150
Jun 26 06:51:09 ko-cluster kernel:  [<c0145500>]
blockable_page_cache_readahead+0x40/0x60
Jun 26 06:51:09 ko-cluster kernel:  [<c01456a0>] 
page_cache_readahead+0x180/0x2a0
Jun 26 06:51:09 ko-cluster kernel:  [<c013ebe5>] 
do_generic_mapping_read+0x355/0x510
Jun 26 06:51:09 ko-cluster kernel:  [<c013eda0>] file_read_actor+0x0/0xf0
Jun 26 06:51:09 ko-cluster kernel:  [<c013f082>] 
__generic_file_aio_read+0x1f2/0x230
Jun 26 06:51:09 ko-cluster kernel:  [<c013eda0>] file_read_actor+0x0/0xf0
Jun 26 06:51:09 ko-cluster kernel:  [<f8f68ff1>] xfs_read+0x141/0x300 [xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<f8f656c5>] linvfs_aio_read+0x85/0xb0 [xfs]
Jun 26 06:51:09 ko-cluster kernel:  [<c015e4c2>] do_sync_read+0xb2/0x100
Jun 26 06:51:09 ko-cluster kernel:  [<c0105f2b>] do_IRQ+0x3b/0x70
Jun 26 06:51:09 ko-cluster kernel:  [<c0133350>] 
autoremove_wake_function+0x0/0x50
Jun 26 06:51:09 ko-cluster kernel:  [<c015e5e3>] vfs_read+0xd3/0x130
Jun 26 06:51:09 ko-cluster kernel:  [<c015e8b1>] sys_read+0x41/0x70
Jun 26 06:51:09 ko-cluster kernel:  [<c0103cd3>] syscall_call+0x7/0xb
Jun 26 06:51:09 ko-cluster kernel: Code: b8 40 81 f8 f8 89 44 24 08 8b 04 ad a0
3c f8 f8 89 44 24 04 e8 8d 29 1b c7 8b 54 24 0c b8 84 3c f8 f8 e8 ff 6b 38 c7 85
ed 75 08 <0f> 0b 6a 00 c3 ef f6 f8 8b 5c 24 10 8b 74 24 14 8b 7c 24 18 8b 

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