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Re: [Xen-users] Xen kernel booting to black screen.

  • To: Alexandre Kouznetsov <alk@xxxxxxxxxx>, "xen-users@xxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxx>
  • From: Joshua Tuttle <jtuttle@xxxxxxxxx>
  • Date: Fri, 14 Jun 2013 17:43:17 +0000
  • Accept-language: en-US
  • Delivery-date: Fri, 14 Jun 2013 17:44:12 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>
  • Thread-index: Ac5pESmn/Sal+zOrSMO4mISICo0MuwACoN6AAAHnX5AAAIrtAAAAKw5w
  • Thread-topic: [Xen-users] Xen kernel booting to black screen.


Thanks for looking at it.
I followed your suggestions, and removed "quiet" and replaced it with 
"vga=normal", but all it does now is cause a boot loop. The "Loading initial 
ramdisk" comes before Xen's dmesg output which I do not see at any time. 
Thanks, for the link I'll see what I can tweak.

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxx] 
On Behalf Of Alexandre Kouznetsov
Sent: Friday, June 14, 2013 1:35 PM
To: xen-users@xxxxxxxxxxxxx
Subject: Re: [Xen-users] Xen kernel booting to black screen.


El 14/06/13 12:19, Joshua Tuttle escribió:
> Here is my grub.cfg
Looks fine to me.

Additionally to using "vga=normal", consider removing the parameter "quiet" 
from kernel boot line for debugging.

It has been a while since I have not seen a screen of a machine with Xen while 
booting, so I don't remember if Grub's messages 'Loading initial ramdisk ...' 
goes before or after Xen's dmesg output. Probably before.
Please confirm if Xen's dmesg output is visible or not.

In case it's not, you may try to play with Xen's boot parameters. A quick 
search thrown this reference:


Alexandre Kouznetsov

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