Re: gdbsx - xg_attach:Unable to pause domain:1; failed to attach to domain:1 errno:13

[Mukesh Rathor <mukesh.rathor@oracle.com>]

On Thu, 18 Sep 2014 02:11:26 +0000
Pete Delaney <pdelaney@silver-peak.com> wrote:

> Hi Mukesh:
> 
> 
> 
>                 > Correct. Just git clone xen tree to match your
>                 > version, then edit the file to add printk, then
>                 > build xen. copy xen to target machine over
>                 > to /boot. Then edit grub kernel line to boot new
>                 > xen.
> 
> 
> 
> I after building Xen I tried a 'make install-xen' but got a problem
> with EFI_VENDOR not being defined.
> 
> See attached snapshot.
> 
> 
> 
> Looks like 'make install-xen' installed a  xen kerneL in /boot
> 
> 
> 
>                 piet@piet-t3600:/boot$ ls -lt | more
> 
>      total 94131
> 
>      lrwxrwxrwx 1 root root       16 Sep 17 17:35 xen-4.4.gz ->
> xen-4.4.2-pre.gz
> 
>      lrwxrwxrwx 1 root root       16 Sep 17 17:35 xen-4.gz ->
> xen-4.4.2-pre.gz
> 
>      lrwxrwxrwx 1 root root       16 Sep 17 17:35 xen.gz ->
> xen-4.4.2-pre.gz
> 
>      -rw-r--r-- 1 root root   844203 Sep 17 16:26 xen-4.4.2-pre.gz
> 
>      -rw-r--r-- 1 root root 15440366 Sep 17 16:26 xen-syms-4.4.2-pre
> 
>      -rw-r--r-- 1 root root 28743841 Aug  8 16:59
> initrd.img-3.13.0-32-generic
> 
>      drwxr-xr-x 5 root root     1024 Aug  8 16:58 grubdded to
> the /boot partition:
> 
> 
> 
> The grub default is  "Ubuntu GNU/Linux, with Xen hypervisor"  (see
> attached grub.cfg).
> 
> 
> 
> I'm rather rusty on the new and improved grub syntax. I'd prefer not
> bricking my Ubuntu workstation. :)

Yeah, I'm not a big fan either. Actually, I just realized you could
use strace to figure where the call is failing. So, lets try that. Can
you run with strace and lmk what you find?

I'll be offline till thursday, btw.

- mukesh