Subject: Re: savecore: can't find device 1121/411252
To: None <port-xen@netbsd.org>
From: Sarton O'Brien <sobrien@roguewrt.org>
List: port-xen
Date: 11/20/2007 18:57:19
Petar Bogdanovic wrote:
> 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
>
And any kernel booted that does not reside as /netbsd.
As simple as that is, I remember a long time ago having to forage for
information and in the end working it out with none. I mean it makes
sense now, after having used the OS for so long but I hope there is
something out there that makes it more obvious for the newcomers to
kernel juggling :)
Sarton