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Re: [Xen-users] Boot loop after upgrade
I added noreboot before quiet in grub interactive but there was no change in behavior.
Sadly, I cannot. It's a pretty new laptop and as such doesn't have a serial port. I'll try the noreboot and report the results. Thank you!
On Sun, 2017-08-06 at 19:24 +0000, Duncan X Simpson wrote:
> I'm running Xen on Arch Linux. I just did a full system upgrade, and
> a few hours later I decided to fire up a VM. It failed, spewing
> something about being out of loop devices. So I decided to reboot and
> try again. Bad choice. The computer went into a boot loop. Cycle:
>
>
> Off -> BIOS -> GRUB -> Xen boot output -> Black Screen -> Off
>
>
>
> The last message of the Xen boot output is `(XEN) Xen is
> relinquishing the VGA console.`, and there are no prior messages
> indicating any errors.
>
The best way to debug boot issues is to have a way to capture the
output, with a serial console:
https://wiki.xen.org/wiki/Xen_Serial_Console
Is this something you can do?
Are you using the xen 'noreboot' parameter (you can add it from within
GRUB interactive mode)? That way, you can at least see some of the
output on the screen, and copy the lines (by hand! :-/), or take a
picture (and then upload it somewhere and post here the link, not the
picture itself :-D)
Dario
--
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://about.me/dario.faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK) --
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