Re: [Xen-devel] A weird behavior of xenconsole on XEN/IA64

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Tian, Kevin wrote:

> I saw a weird behavior related to xenconsole, when I'm working on domU
> support on XEN/IA64:
>
> After following sequence:
> # lomount -t ext2 -diskimage /root/xenia64.img -partition2 /mnt
> # xend start
> # xm create -c
>
> I can see domU boot messages flushed out immediately, but quiet at about
> ACPI initialization. Then I have to do:
>
> # Ctrl + ]
> # xm console 1
> # Ctrl + ]
> # xm console 1
> # Ctrl + ]
> # xm console 1
>  
I'm not sure I fully understand, you're hitting Ctrl + ] and it's not 
taking you out of the console?
That code is in the client (tools/console/client/main.c) and hasn't 
really changed.  Maybe Ctrl + ] generates a different scancode on your 
system?
Regards,

Anthony Liguori

> Exactly at third "xm console 1", the subsequent messages continues to
> show. Seems like this is not delayed message because domU's progress
> seems also halt for same long period and then continue to boot.
>
> Definitely I don't want to confuse anybody here, and it's very likely to
> be an XEN/IA64 specific issue (out of sync for some time). I post it
> here just in case any guys familiar with this part can point me some
> possible clues about normal work flow of xenconsole, which then can help
> me to find root cause. ;-)
>
> Actually some time later, wait_for_blkif in blkfront also warns "timeout
> to connect to device". Though there may be other reasons for the
> connection, I'm also interested whether the reason for incontinuous
> console message also relates to this one.
>
> Is it possible from the lock of xenbus? One background is, xenstore has
> already been setup correctly, and I can see some transaction succeeded
> on that page.
>
> Appreciate your comments.
>
> Thanks,
> Kevin
>
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>
>  

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