Subject: Re: savecore: can't find device 1121/411252
To: None <port-xen@netbsd.org>
From: Petar Bogdanovic <list+2007@smokva.net>
List: port-xen
Date: 11/16/2007 14:54:59
On Thu, Nov 15, 2007 at 09:39:07PM +0100, Petar Bogdanovic wrote:
> Hi,
> 
> one of our remote servers just booted XEN3_DOM0 successfully (joy!) and
> the only confusing thing was the following line in dmesg:
> 
>    Nov 15 20:27:47 hendrix savecore: can't find device 1121/411252
> 
> 
> Does somebody know what that means? savecore had no problems to find the
> dump-device with GENERIC.MP. The wd0, wd1 and raid0 labels look like (I
> tried to `ascii-connect' the overlapping partitions):
> 
>    $ sudo disklabel wd0 2>/dev/null | egrep '^( |#)'
>    # /dev/rwd0d:
>    #        size    offset     fstype [fsize bsize cpg/sgs]
> +---a:   1048576       127     4.2BSD      0     0     0  # (Cyl.      0*-   1040*)
> |+--b:   8388608   1048703       swap                     # (Cyl.   1040*-   9362*)
> ||  c: 781422705        63     unused      0     0        # (Cyl.      0*- 775220)
> ||  d: 781422768         0     unused      0     0        # (Cyl.      0 - 775220)
> ||  e: 781422705        63       RAID                     # (Cyl.      0*- 775220)
> ||
> || $ sudo disklabel wd1 2>/dev/null | egrep '^( |#)'
> || # /dev/rwd1d:
> || #        size    offset     fstype [fsize bsize cpg/sgs]
> +|--a:   1048576       127     4.2BSD      0     0     0  # (Cyl.      0*-   1040*)
> |+--b:   8388608   1048703       swap                     # (Cyl.   1040*-   9362*)
> ||  c: 781422705        63     unused      0     0        # (Cyl.      0*- 775220)
> ||  d: 781422768         0     unused      0     0        # (Cyl.      0 - 775220)
> ||  e: 781422705        63       RAID                     # (Cyl.      0*- 775220)
> || 
> || $ sudo disklabel raid0 2>/dev/null | egrep '^( |#)'
> || # /dev/rraid0d:
> || #        size    offset     fstype [fsize bsize cpg/sgs]
> +|->a:   1048576         0     4.2BSD   1024  8192     0  # (Cyl.      0 -   1023)
>  +->b:   8388608   1048576       swap                     # (Cyl.   1024 -   9215)
>     c: 781422592         0     unused      0     0        # (Cyl.      0 - 763107)
>     d: 781422592         0     unused      0     0        # (Cyl.      0 - 763107)
>     e:   8388608   9437184     4.2BSD   2048 16384     0  # (Cyl.   9216 -  17407)
>     f:   8388608  17825792     4.2BSD   2048 16384     0  # (Cyl.  17408 -  25599)
>     g:   8388608  26214400     4.2BSD   2048 16384     0  # (Cyl.  25600 -  33791)
>     h:   8388608  34603008     4.2BSD   2048 16384     0  # (Cyl.  33792 -  41983)
>     i: 738430976  42991616     4.2BSD   2048 16384     0  # (Cyl.  41984 - 763107)


Eh, RTFM:

	``but please note, you should install the same kernel into
	  domainU as /netbsd  in order to make your system tools, like
	  savecore(8), work''

Of course, this applies to dom0 kernels too. :)

http://www.netbsd.org/ports/xen/howto.html