Re: unable to mount a btrfs file system kernel 3.19.2

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On Mon, Apr 20, 2015 at 12:16:33PM +0200, "Némoz Saint-Dizier, Olivier" wrote:
> Hello everyone,
> 
> I have an issue with my ssd where a btrfs partition is located. I have a
> /dev/sdb1 in ext4 for the /boot, and the rest of the ssd is /dev/sdb2
> which is the root of my Archlinux. When I boot, it hangs up after
> loading the kernel. So I tried with an Archlinux liveboot, and I have
> the same behavior with the following trace in logs when I try to mount
> the btrfs partition :
> 
> Apr 11 16:25:56 archiso kernel: INFO: task mount:573 blocked for more than 120 seconds.
> Apr 11 16:25:56 archiso kernel:       Not tainted 3.19.2-1-ARCH #1
[snip]
> btrfs-progs v3.19
> 
> Linux archiso 3.19.2-1-ARCH #1 SMP PREEMPT Wed Mar 18 16:21:02 CET 2015 x86_64 GNU/Linux
> 
> And the full output from journald is available there :
> http://sprunge.us/jPMG
> 
> Is it a known bug? Or does someone have an idea about how I could fix
> this issue?

   See the first issue here: https://btrfs.wiki.kernel.org/index.php/Gotchas

   Hugo.

-- 
Hugo Mills             | Do not meddle in the affairs of system
hugo@... carfax.org.uk | administrators, for they are subtle, and quick to
http://carfax.org.uk/  | anger.
PGP: E2AB1DE4          |

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