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LVM bug.

To: linux-xfs <linux-xfs@xxxxxxxxxxx>
Subject: LVM bug.
From: Fang Han <dfbb@xxxxxxxxxxxx>
Date: Tue, 16 Oct 2001 21:51:51 +0800
Mail-followup-to: linux-xfs <linux-xfs@xxxxxxxxxxx>
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: Mutt/1.2.5i
My XFS version was 1.0.1, on an machine with 
one PIII 750 on an dual processor motherboard
2x50G scsi disk on aic7xxx
lvm version 0.9.1beta6

When I create xfs over lvm.  and mount it.
the mount speed is real slow, some time it success,
some times it tell me 

 XFS: failed to read root inode

When I create xfs over lvm again, It will oops.

oops out put is here.

BTW:
1. When I make e2gs over lvm on this machine, It works
 fine.
2.  With the same kernel and same operation running on 
other machine, ( 1 IDE machine, 1 SCSI+Raid+SMP machine)
It works fine, And the time of mount running very fast.


>>EIP; d084daa2 <[xfs_support]mrupdatef+6/3c>   <=====
Trace; d089a2df <[xfs]xfs_iget+c3/110>
Trace; d089a745 <[xfs]xfs_ilock_ra+71/9c>
Trace; d089a783 <[xfs]xfs_ilock+13/18>
Trace; d089a2df <[xfs]xfs_iget+c3/110>
Trace; d089a2df <[xfs]xfs_iget+c3/110>
Trace; d08a9362 <[xfs]xfs_mountfs+d8e/11e8>
Trace; d082d9d7 <[aic7xxx]aic7xxx_queue+173/180>
Trace; d08856f0 <[xfs]xfs_dir2_mount+0/124>
Trace; c0105b99 <__down+a1/ac>
Trace; d08a822b <[xfs]xfs_readsb+b7/d0>
Trace; d08b1bee <[xfs]xfs_cmountfs+512/5bc>
Trace; d08c06c7 <[xfs]linvfs_read+a7/d4>
Trace; d08b1e09 <[xfs]xfs_mount+a9/b4>
Trace; d08d4500 <[xfs]__module_kernel_version+0/20>
Trace; d08d4500 <[xfs]__module_kernel_version+0/20>
Trace; d08b1e37 <[xfs]xfs_vfsmount+23/38>
Trace; d08d4500 <[xfs]__module_kernel_version+0/20>
Trace; d08cd1d9 <[xfs]linvfs_read_super+1b9/380>
Trace; d08d4500 <[xfs]__module_kernel_version+0/20>
Trace; d08d4280 <[xfs]xfs_fs_type+0/20>
Trace; d085ec7c <[xfs]xfs_acl_iaccess+2c/94>
Trace; d08ceb40 <[xfs].rodata.start+420/5c4>
Trace; d085ec7c <[xfs]xfs_acl_iaccess+2c/94>
Trace; d08ceb40 <[xfs].rodata.start+420/5c4>
Trace; c0143d8a <destroy_inode+1a/20>
Trace; c014532f <iput+14f/158>
Trace; c01385c4 <blkdev_get+108/128>
Trace; c013628b <read_super+63/a8>
Trace; c0136480 <get_sb_bdev+150/1a8>
Trace; d08d4280 <[xfs]xfs_fs_type+0/20>
Trace; c0136eca <do_mount+172/2f0>
Trace; d08d4280 <[xfs]xfs_fs_type+0/20>
Trace; d08d4280 <[xfs]xfs_fs_type+0/20>
Trace; c0136d0c <copy_mount_options+4c/98>
Trace; c01370cc <sys_mount+84/c8>
Trace; c0106d9b <system_call+33/38>
Code;  d084daa2 <[xfs_support]mrupdatef+6/3c>
00000000 <_EIP>:
Code;  d084daa2 <[xfs_support]mrupdatef+6/3c>   <=====
   0:   83 3b 00                  cmpl   $0x0,(%ebx)   <=====
Code;  d084daa5 <[xfs_support]mrupdatef+9/3c>
   3:   74 1d                     je     22 <_EIP+0x22> d084dac4 
<[xfs_support]mrupdatef+28/3c>
Code;  d084daa7 <[xfs_support]mrupdatef+b/3c>
   5:   ff 43 08                  incl   0x8(%ebx)
Code;  d084daaa <[xfs_support]mrupdatef+e/3c>
   8:   6a 01                     push   $0x1
Code;  d084daac <[xfs_support]mrupdatef+10/3c>
   a:   8d 43 28                  lea    0x28(%ebx),%eax
Code;  d084daaf <[xfs_support]mrupdatef+13/3c>
   d:   50                        push   %eax
Code;  d084dab0 <[xfs_support]mrupdatef+14/3c>
   e:   8d 43 1c                  lea    0x1c(%ebx),%eax
Code;  d084dab3 <[xfs_support]mrupdatef+17/3c>
  11:   50                        push   %eax
Code;  d084dab4 <[xfs_support]mrupdatef+18/3c>
  12:   e8 d7 00 00 00            call   ee <_EIP+0xee> d084db90 <[xfs_su


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