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RE: [Xen-devel] xen bootup problem: unable to open an initial console

To: "Xin Zhao" <zhaoxin@xxxxxxxxxxxxxx>, "Sheng S Lu" <shenglu@xxxxxxxxxx>
Subject: RE: [Xen-devel] xen bootup problem: unable to open an initial console
From: "Kamble, Nitin A" <nitin.a.kamble@xxxxxxxxx>
Date: Wed, 6 Jul 2005 10:41:55 -0700
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Thread-topic: [Xen-devel] xen bootup problem: unable to open an initial console
Xin,
   You got it right.

Thanks & Regards,
Nitin 
__________________________________________________________ 
Senior Software Engineer
Intel Open Source Technology Center
>-----Original Message-----
>From: Xin Zhao [mailto:zhaoxin@xxxxxxxxxxxxxx]
>Sent: Sunday, July 03, 2005 9:37 PM
>To: Sheng S Lu
>Cc: Kamble, Nitin A; Xen-devel@xxxxxxxxxxxxxxxxxxx
>Subject: RE: [Xen-devel] xen bootup problem: unable to open an initial
>console
>
>Thanks for all follow-ups. I tried Nitin's solution, it worked for me.
Now
>I can boot 2.4.30-xen0 successfully. Since this approach is quite
simple,
>we can probably follow that. The only issue is that Nitin's description
>seems to be wrong. Instead of doing "cp /dev/* /mnt/*", we might need
to
>do "cp /dev/* /mnt/dev/".
>
>Xin
>
>
>On Mon, 4 Jul 2005, Sheng S Lu wrote:
>
>> Yeah, I wrote the mail with my memory. I check it this time, and find
>that
>> my old version is 2.6.9-5.EL. Nahant kernel
>>
>> Then, I think Zhao Xin has to make an initrd image by himself. Some
old
>> Linux kernel support command "mkinitrd", some version do not have the
>> command, but there will be an introduction file in "Documentation"
>> directory. I've not tried it myself.
>>
>> Another way is disable udev and make a /dev/console device as you
have
>> told.
>>
>>
>>
>>
>> "Kamble, Nitin A" <nitin.a.kamble@xxxxxxxxx>
>> Sent by: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>> 2005-07-02 01:28
>>
>> To
>> Sheng S Lu/China/IBM@IBMCN
>> cc
>> Xen-devel@xxxxxxxxxxxxxxxxxxx, Xin Zhao <zhaoxin@xxxxxxxxxxxxxx>
>> Subject
>> RE: [Xen-devel] xen bootup problem: unable to open an initial console
>>
>>
>>
>>
>>
>>
>> Probably you are not using Fedora Core 3. I see the initial console
issue
>> even with initrd on FC3.
>>
>> Thanks & Regards,
>> Nitin
>> __________________________________________________________
>> Senior Software Engineer
>> Intel Open Source Technology Center
>>
>> From: Sheng S Lu [mailto:shenglu@xxxxxxxxxx]
>> Sent: Thursday, June 30, 2005 6:10 PM
>> To: Kamble, Nitin A
>> Cc: Xen-devel@xxxxxxxxxxxxxxxxxxx; Xin Zhao
>> Subject: RE: [Xen-devel] xen bootup problem: unable to open an
initial
>> console
>>
>>
>> I've also met the problem when I tried to boot up XEN in 2.6.x. And
>> because I'm using udev, the problem persisted even I created a
>> /dev/console in my old kernel.
>>
>> Then, I copied the initrd line from the original kernel, just
modified
>the
>> "initrd" keyword to "module". It goes to work, and I have not met any
>> other problem because initrd image is only used while booting up.
>>
>> Though my kernel is 2.6.11.12, my initrd is still an old version. I
do
>not
>> sure my solution is good, but it works. Please correct me if it is
not a
>> right way.
>>
>>
>>
>> "Kamble, Nitin A" <nitin.a.kamble@xxxxxxxxx>
>> Sent by: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>> 2005-07-01 06:50
>>
>>
>> To
>> "Xin Zhao" <zhaoxin@xxxxxxxxxxxxxx>, <Xen-devel@xxxxxxxxxxxxxxxxxxx>
>> cc
>>
>> Subject
>> RE: [Xen-devel] xen bootup problem: unable to open an initial console
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> One solution to it is.
>>                 1. Run with FC3 kernel (not xen)
>>                 2. mount root again to /mnt
>>                 3. cp -ar /dev/* /mnt/*
>>                 4. now reboot into xen.
>>
>> The issue is /dev/console device file is not present, udev should
create
>> it, if you are not using udev, you need to have this file.
>>
>> Thanks & Regards,
>> Nitin
>> __________________________________________________________
>> Senior Software Engineer
>> Intel Open Source Technology Center
>>
>> >-----Original Message-----
>> >From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
>> >bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Xin Zhao
>> >Sent: Thursday, June 30, 2005 2:56 PM
>> >To: Xen-devel@xxxxxxxxxxxxxxxxxxx
>> >Subject: [Xen-devel] xen bootup problem: unable to open an initial
>> console
>> >
>> >I just migrated to fc3, and tried to install xen-2.0.6. But when I
>> tried
>> >to boot up xen0, I got the error message "unable to open an initial
>> >console" and the system hangs after that.
>> >
>> >I know this is a FAQ and already checked the XenFaq 5.2
>> >
>> >But the solution put there only works for 2.6 kernel.
>> >
>> >I still need to use 2.4.30-xen0, which doesn't work with initrd I
can
>> get
>> >from the website and fc3. I guess that's because those initrd files
are
>> >just for 2.6. Question is how to get a usable 2.4 initrd? Is there
any
>> way
>> >to get around this?
>> >
>> >Thanks in advance for advices1
>> >
>> >-x
>> >
>> >_______________________________________________
>> >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
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>>
>>

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