Subject: Re: xenbsd /netbsd: xennetback: can't get new mcl pages (0) (Maybe
To: Manuel Bouyer <bouyer@antioche.eu.org>
From: Anzi <anzi@dnainternet.net>
List: port-xen
Date: 03/06/2007 08:18:53
Manuel Bouyer wrote:
> On Mon, Mar 05, 2007 at 01:14:05PM +0200, Anzi wrote:
>
>>> Mar 4 00:41:53 xenbsd /netbsd: xennetback_ifstart: no mcl_pages
>>> Mar 4 00:41:53 xenbsd /netbsd: nnetback_ifstart: no mcl_pages
>>>
>> Again rest of the message (?):
>>
>> Kernel is not default, I have compiled it myself, but I think there are
>> no exotic things:
>> NetBSD xenbsd.domain.com 4.0_BETA2 NetBSD 4.0_BETA2 (XEN3_DOM0) #0: Fri
>> Jan 19 14:46:24 EET 2007
>> @xenbsd.domain.com:/home/--/current/src/sys/arch/i386/compile/obj/XEN3_DOM0_
>> i386
>>
>> I also tried Kernel debugger (CTRL+ALT+ESC), but I'm really not sure
>> what to do there. tried next/continue and this is what I got:
>> Just before kernel prints xennetback_ifstart: no mcl_pages
>> this is executed:
>> Xennetback ifsoftstart+0x76b:ret
>>
>>
>> This was on a production machine so I couldn't debug more (I rebooted).
>> Does anybody have Ideas what seems to be wrong?
>>
>
> How much free ram do you have ? xm info should tell you.
> It's possible that There are too much ram allocated to domUs, would cause
> problem when dom0 needs some pages to perform I/O with the domUs.
>
>
433 Mb of free memory, I think that is enough? Xen version is from
pkgsrc, 3.0.3 I think.
root@xenbsd ~$ xm info
host : xenbsd.prolosoft.com
release : 4.0_BETA2
version : NetBSD 4.0_BETA2 (XEN3_DOM0) #0: Fri Jan 19
14:46:24 EET 2007
antti@xenbsd.prolosoft.com:/home/antti/current/src/sys/arch/i386/compile/obj/XEN3_DOM0
machine : i386
nr_cpus : 1
nr_nodes : 1
sockets_per_node : 1
cores_per_socket : 1
threads_per_core : 1
cpu_mhz : 1800
hw_caps : 0383fbff:c1c3fbff:00000000:00000020
total_memory : 1535
free_memory : 433
xen_major : 3
xen_minor : 0
xen_extra : .3-0
xen_caps : xen-3.0-x86_32
xen_pagesize : 4096
platform_params : virt_start=0xfc000000
xen_changeset : Sun Oct 15 13:22:03 2006 +0100 11773:433e39d54b0e
cc_compiler : gcc version 3.4.4 20050314 (prerelease) (Debian
3.4.3-13)
cc_compile_by : shand
cc_compile_domain : localdomain
cc_compile_date : Sun Oct 15 13:22:06 BST 2006
xend_config_format : 2
root@xenbsd ~$ xm list
Name ID Mem(MiB) VCPUs State Time(s)
1.fc6 2 312 1 -b---- 95.1
Domain-0 0 256 1 r----- 818.8
2.fc6 1 512 1 -b---- 270.0