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oops when creating an lvm-snapshot

To: linux-xfs@xxxxxxxxxxx
Subject: oops when creating an lvm-snapshot
From: erik@xxxxxxxxxxxxxxxxx (Erik Tews)
Date: Wed, 14 Aug 2002 19:01:20 +0200
Cc: lvm-devel@xxxxxxxxxxx
Sender: owner-linux-xfs@xxxxxxxxxxx
User-agent: Mutt/1.4i
Hi

I had a problem with lvm and a current xfs-snapshot. I fetched an
xfs-kernel from cvs today, patched it with lvm 1.0.5 and vfs-lock-patch
for 2.4.19 and then builded it without quota-support. (because the patch
tried to call DQUOT_SYNC and only DQUOT_SYNC_DEV and DQUOT_SYNC_SB
existed in your kernel, and I changed that line to DQUOT_SYNC_DEV
becuase the second argument was a device)

Then i did a lvcreate, a mkfs.xfs on that lv, copied some data, and then
called lvcreate -s on that device. In this moment my kernel oopsed, and
this are the important lines from the stack-backtrace I got from kdb:

ESP             EIP             Function (args)
0xc5849a48      0xc01ef635      xfs_fs_freeze+0x5d (0xc8d77000)
                                        kernel .text 0xc0100000 0xc01ef5d8 
0xc01ef65c
0xc5849a54      0xc021782e      xfs_ioctl+0x102e (0xc5f11e68, 0xc5f0fc5c, 0x0, 
0xc0045877, 0x0)
                                        kernel .text 0xc0100000 0xc0216800 
0xc02178d7

So, first question, can somebody reproduce that, and does somebody know
how to fix it? xfs_fs_freeze was called the usual way I think.


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