Re: btrfs and LVM snapshots (Re: kernel BUG at fs/btrfs/extent-tree.c:1772)

2013-02-12 Thread Piotr Pawłow
I can confirm that, even with a single-device btrfs filesystem. However I am curious why you want to use the lvm snapshot capability instead of the btrfs one. You can't use btrfs snapshots on a broken FS. LVM snapshots would be useful to save the original state, before any potentially destructi

Re: btrfs and LVM snapshots (Re: kernel BUG at fs/btrfs/extent-tree.c:1772)

2013-02-10 Thread Goffredo Baroncelli
On 02/10/2013 01:32 AM, Piotr Pawłow wrote: > Hello, >> Yeah you can't mount images, we clear out the chunk tree so >> nothing works. Let me know if you run into any problems in the >> future. Thanks, > > That's surprising, I haven't seen it mentioned anywhere. > > With any other filesystem I co

btrfs and LVM snapshots (Re: kernel BUG at fs/btrfs/extent-tree.c:1772)

2013-02-09 Thread Piotr Pawłow
Hello, Yeah you can't mount images, we clear out the chunk tree so nothing works. Let me know if you run into any problems in the future. Thanks, That's surprising, I haven't seen it mentioned anywhere. With any other filesystem I could use an LVM snapshot to save the original state, but wit

Re: kernel BUG at fs/btrfs/extent-tree.c:1772

2013-02-05 Thread Josef Bacik
On Tue, Feb 05, 2013 at 01:55:17AM -0700, "Piotr Pawłow" wrote: > > mounts before it panics, can you capture all the output and reply to this > > email > > with it? Thanks, > > I'm sorry, I could not keep it longer in that state. I used btrfs-image to > create metadata image from both disks, then

Re: kernel BUG at fs/btrfs/extent-tree.c:1772

2013-02-05 Thread Piotr Pawłow
> mounts before it panics, can you capture all the output and reply to this > email > with it? Thanks, I'm sorry, I could not keep it longer in that state. I used btrfs-image to create metadata image from both disks, then let it run without space cache. Unfortunately, when I run qemu with these

Re: kernel BUG at fs/btrfs/extent-tree.c:1772

2013-02-04 Thread Josef Bacik
On Sun, Feb 03, 2013 at 04:37:58PM -0700, "Piotr Pawłow" wrote: > Hello, > > 1 week ago I bought a new 2TB hard drive, created 1 partition on the whole > disk, and created root and swap LVM volumes on it. I formatted root to > btrfs with default options, except meta-data profile which I set to > "

kernel BUG at fs/btrfs/extent-tree.c:1772

2013-02-03 Thread Piotr Pawłow
mount+0x66/0xa0 [] syscall_call+0x7/0xb ---[ end trace 0437071747fbcc24 ]--- [ cut here ]-------- kernel BUG at fs/btrfs/extent-tree.c:1772! invalid opcode: [#1] Pid: 309, comm: exe Tainted: GW3.6.0+ #1 Bochs Bochs EIP: 0060:[] EFLAGS: 00010297 C