On Wed, 2013-03-20 at 22:28 +0800, Thomas Goirand wrote:
> Hi,
>
> On one of my server, I had the issue as well. I'm not sure if it's the
> exact same one, but at least I fixed it.
>
> What happened for me was that my KVM over IP was printing "No signal"
> just right after the login prompt (eg: the rest of the boot process
> seemed to not be bothered).
>
> Then I did:
>
> dpkg-reconfigure grub-pc
>
> and added:
>
> radeon.modeset=0
>
> to the linux command line. After doing that, then I was able to see my
> text mode login prompt (which is the only thing I care for a server, I
> will never care about X support...).
>
> Though, I am wondering if the issue isn't simply that the kernel is
> trying to set a mode which is higher than what my KVM over IP can
> support.
Maybe. KVMs may not provide reliable EDID information.
> How can I choose such mode (which would be a better fix)? Do
> you know Ben, maybe?
>
> Hoping that this will help anyone searching for a quick and easy fix,
I don't know how to override the initial display mode.
Ben.
--
Ben Hutchings
The generation of random numbers is too important to be left to chance.
- Robert Coveyou
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