On Saturday 08 December 2007, Christian Hesse wrote: > On Saturday 08 December 2007, Yan Zheng wrote: > > 2007/12/8, Christian Hesse <[EMAIL PROTECTED]>: > > > Ok, as far as I can remember: > > > > > > $ mount -o loop /usr/portage.img /usr/portage/ > > > [ sync data to the fs, run emerge, update meta database, etc. ] > > > $ mount -o loop,subvol=. /usr/portage.img /mnt/tmp/ > > > $ btrfsctl -s 2007-12-07 /mnt/tmp > > > [ remember that I just created a new subvol, not a snapshot ] > > > $ btrfsctl -s 2007-12-07-0 /mnt/tmp/default > > > $ umount /mnt/tmp > > > [ suspend and resume the system ] > > > $ emerge sync > > > > It's seem you setup two difference loopback devices on the same image > > file. Please try mount the image file this way. > > > > losetup /dev/loop0 /usr/portage.img > > mount /dev/loop0 /usr/portage/ > > mount -o subvol=. /dev/loop0 /mnt/tmp/ > > Yes, probably you are right. I will try again.
Et voilà... the next one: Dec 8 13:26:35 revo kernel BUG at fs/btrfs/extent-tree.c:379! Dec 8 13:26:35 revo invalid opcode: 0000 [#1] SMP Dec 8 13:26:35 revo Modules linked in: iwl3945 Dec 8 13:26:35 revo Dec 8 13:26:35 revo Pid: 257, comm: btrfs/0 Not tainted (2.6.24-rc4 #1) Dec 8 13:26:35 revo EIP: 0060:[<b01c6a1b>] EFLAGS: 00010202 CPU: 0 Dec 8 13:26:35 revo EIP is at btrfs_inc_extent_ref+0xbb/0x140 Dec 8 13:26:35 revo EAX: 00000001 EBX: 00000000 ECX: 00000000 EDX: c569d000 Dec 8 13:26:35 revo ESI: 00000001 EDI: d222a4e0 EBP: d17fd3e4 ESP: eea85db4 Dec 8 13:26:35 revo DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Dec 8 13:26:35 revo Process btrfs/0 (pid: 257, ti=eea84000 task=ef09a030 task.ti=eea84000) Dec 8 13:26:35 revo Stack: d222a4e0 00000000 00000001 eea85dd8 e37b2400 00000001 00005000 00000050 Dec 8 13:26:35 revo 21000000 00002000 00000000 e37b2400 b1000000 d0020bd4 00000002 b01c6f43 Dec 8 13:26:35 revo 00005000 00000000 00002000 00000000 00000001 e37b2400 d17fd3e4 0000008a Dec 8 13:26:35 revo Call Trace: Dec 8 13:26:35 revo [<b01c6f43>] btrfs_inc_ref+0xf3/0x2d0 Dec 8 13:26:35 revo [<b01bf3ad>] __btrfs_cow_block+0x18d/0x390 Dec 8 13:26:35 revo [<b01bf726>] btrfs_cow_block+0x176/0x1a0 Dec 8 13:26:35 revo [<b01d3451>] btrfs_defrag_leaves+0xf1/0x850 Dec 8 13:26:35 revo [<b01cc2b0>] btrfs_transaction_cleaner+0x0/0xd0 Dec 8 13:26:35 revo [<b01cb5a9>] btrfs_start_transaction+0xc9/0x1c0 Dec 8 13:26:35 revo [<b01cc1b7>] btrfs_defrag_root+0x67/0xe0 Dec 8 13:26:35 revo [<b01cc2b0>] btrfs_transaction_cleaner+0x0/0xd0 Dec 8 13:26:35 revo [<b01cc2a3>] btrfs_defrag_dirty_roots+0x73/0x80 Dec 8 13:26:35 revo [<b01cc2b0>] btrfs_transaction_cleaner+0x0/0xd0 Dec 8 13:26:35 revo [<b01cc352>] btrfs_transaction_cleaner+0xa2/0xd0 Dec 8 13:26:35 revo [<b0138f8d>] run_workqueue+0xad/0x130 Dec 8 13:26:35 revo [<b01399f0>] worker_thread+0x0/0xf0 Dec 8 13:26:35 revo [<b0139a7c>] worker_thread+0x8c/0xf0 Dec 8 13:26:35 revo [<b013ccd0>] autoremove_wake_function+0x0/0x40 Dec 8 13:26:35 revo [<b01399f0>] worker_thread+0x0/0xf0 Dec 8 13:26:35 revo [<b013ca12>] kthread+0x42/0x70 Dec 8 13:26:35 revo [<b013c9d0>] kthread+0x0/0x70 Dec 8 13:26:35 revo [<b0104e67>] kernel_thread_helper+0x7/0x10 Dec 8 13:26:35 revo ======================= Dec 8 13:26:35 revo Code: c6 44 24 23 21 8b 82 bc 00 00 00 8b 50 10 89 e8 89 74 24 08 89 5c 24 04 89 3c 24 e8 f0 a7 ff ff 83 f8 00 89 44 2 4 14 7c 7b 74 04 <0f> 0b eb fe 8b 57 20 8b 1f 8d 14 92 8d 54 92 4f 89 d8 e8 6e 44 Dec 8 13:26:35 revo EIP: [<b01c6a1b>] btrfs_inc_extent_ref+0xbb/0x140 SS:ESP 0068:eea85db4 This time I did not mount twice: $ mount -o loop /usr/portage.img /mnt/tmp $ rsync -a /usr/portage/ /mnt/tmp/ $ umount /mnt/tmp $ mount -o loop,subvol=. /usr/portage.img /mnt/tmp/ $ btrfsctl -s 2007-12-08 /mnt/tmp/default $ umount /mnt/tmp $ mount -o loop /usr/portage.img /use/portage [ suspend and resume the system ] $ emerge sync Tuxonice has functions to freeze filesystems, I'll enable debug information to make shure it is not the cause for the trouble. -- Regards, Chris _______________________________________________ Btrfs-devel mailing list [email protected] http://oss.oracle.com/mailman/listinfo/btrfs-devel
