[Libguestfs] [PATCH RFC][Resend] New API: btrfs_convert

[Richard W.M. Jones]

On Mon, Jun 08, 2015 at 08:09:52PM +0800, Pino Tsao wrote:
> For now, the issue only happens within the appliance of libguestfs.
> It is ok in a normal installation.

It's likely to be an amount of RAM issue in the appliance.

> Here is my questions now: Do we have approach to debug in kernel in
> appliance? I am aware that I can fprintf messages in the daemon to
> stderr, but it seems it isn`t enough for me now:(

You can see all the kernel messages, and printf, by enabling
debugging:

http://libguestfs.org/guestfs-faq.1.html#debugging-libguestfs

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org