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Re: [Xen-devel] Scrubbing free ram

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Scrubbing free ram
From: BEI GUAN <gbtju85@xxxxxxxxx>
Date: Wed, 28 Apr 2010 23:44:13 +0800
Cc: Xen Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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Hi,
 
Sorry, I can not get the boot message through XenSerialConsole now. However, attached are the screenshots of the last part of boot message. If add "no-bootscrub" on the xen command line, the message is the same except for the last line, "(XEN) Scrubbing Free RAM:". The grub.conf is as following.
 
 title Xen-4.0 (Linux kernel 2.6.31.13)
    root (hd0,10)
    kernel /boot/xen-4.0.gz dom0_mem=1024M loglvl=all guest_loglvl=all
    module /boot/vmlinuz-2.6.31.13 root=/dev/sda1 ro nomodeset
    module /boot/initrd-2.6.31.13.img
 
Best wishes.
 
Gavin Guan
 
 


 
2010/4/28 Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Some other options: add noreboot to Xen command line and see if anything
else does get printed before reboot. And/or connect a serial line and have
Xen log to serial console and see if any other diagnostic messages are
visible from that.

 -- Keir

On 28/04/2010 06:38, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxxx> wrote:

> Probably something to do with dom0 building then. I would try a different
> dom0 kernel just to see if that works better. But probably there is a bug
> here that a developer will need to be able to reproduce to fix.
>
>  -- Keir
>
> On 28/04/2010 14:35, "BEI GUAN" <gbtju85@xxxxxxxxx> wrote:
>
>> Hello Keir,
>>
>> Thank you very much for your reply. As you said, I just change my grub.conf
>> as
>> following. But it also did not work. The screen just stopped when message
>> "(XEN) Dom0 has maximum 4 VCPUs" was printed, which is just before the
>> message
>> "Scrubbing Free RAM:". And then system reboot.
>>
>> title Xen-4.0 (Linux kernel 2.6.31.13)
>>     root (hd0,10)
>>     kernel /boot/xen-4.0.gz no-bootscrub dom0_mem=1024M loglvl=all
>> guest_loglvl=all
>>     module /boot/vmlinuz-2.6.31.13 root=/dev/sda1 ro nomodeset
>>     module /boot/initrd-2.6.31.13.img
>>
>> Thank you. Best wishes.
>>
>> Gavin Guan
>>
>>
>>
>>
>> 2010/4/28 Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
>>> Do things work if you add no-bootscrub to the Xen command line?
>>>
>>>  -- Keir
>>>
>>> On 28/04/2010 13:49, "BEI GUAN" <gbtju85@xxxxxxxxx> wrote:
>>>
>>>> Dear Pasi,
>>>>
>>>> I have the same problem as ilish had when I installed xen 4.0 on fedora 11
>>>> today. I rebooted the Xen. The screen just stopped at "Scrubbing Free
>>>> RAM:",
>>>> and then the computer reboot again. My grub.conf as following.
>>>>
>>>> title Xen-4.0 (Linux kernel 2.6.31.13)
>>>>     root (hd0,10)
>>>>     kernel /boot/xen-4.0.gz dom0_mem=1024M loglvl=all guest_loglvl=all
>>>>     module /boot/vmlinuz-2.6.31.13 root=/dev/sda1 ro nomodeset
>>>>     module /boot/initrd-2.6.31.13.img
>>>>
>>>> I also made "root=/dev/sda11" and "root=LABEL=/" and to try. However, I
>>>> still
>>>> doesn't work. Your any reply is appreciated.
>>>>
>>>> Thank you very much.
>>>>
>>>> Gavin Guan
>>>>
>>>>
>>>>
>>>>
>>>> 2010/4/23 Pasi Kärkkäinen <pasik@xxxxxx>
>>>>> On Thu, Apr 22, 2010 at 09:54:30PM +0000, ilish ilish wrote:
>>>>>>    Hi everyone,
>>>>>>
>>>>>>    I am working on a project whose goal is evaluating the performance of
>>>>>> the
>>>>>>    vTPM Manager. For this project I am using Xen 4.1, Kernel 2.6.31.13
>>>>>> with
>>>>>>    Fedora11. I I finished all installation and configuration parts. Now I
>>>>>>    need to boot the system with Xen but while booting, it is freezing at
>>>>>> the
>>>>>>    step "scrubbing free ram". What can be cause this problem and how can
>>>>>> I
>>>>>>    figure it out? I really appreciate if you can help me.
>>>>>>
>>>>>
>>>>> Please paste your grub.conf.
>>>>>
>>>>> Also please check this wiki page:
>>>>> http://wiki.xensource.com/xenwiki/XenSerialConsole
>>>>>
>>>>> and:
>>>>> http://wiki.xensource.com/xenwiki/XenParavirtOps
>>>>>
>>>>> -- Pasi
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Xen-devel mailing list
>>>>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>>>>> http://lists.xensource.com/xen-devel
>>>>
>>>>
>>>
>>>
>>
>>
>
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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