Re: [Xen-users] VNC/VGA console stuck when not using 'quiet splash'

[Wiebe Cazemier <wiebe@xxxxxxxxxxxx>]

----- Original Message -----
> From: "Wiebe Cazemier" <wiebe@xxxxxxxxxxxx>
> To: xen-users@xxxxxxxxxxxxxxxxxxxx
> Sent: Friday, 16 March, 2018 12:32:00
> Subject: [Xen-users] VNC/VGA console stuck when not using 'quiet splash'

> Hi,
> 
> I'm working on converting all my PVs to HVM (although that fact seems
> unrelated), and I'm having issues with VNC/VGA. When I VNC to it, I don't see
> anything after BIOS, except two lines, and I can't type (no agetty, even 
> though
> ps axu says it runs on tty1).
> 
> See screen shot. This is taken with 'xl vncviewer'. If I connect with krdc 
> over
> an SSH tunnel right after machine creation, I see the BIOS text, then it 
> clears
> into garble, then after a while it clears and prints that last line.
> 
> If I change /etc/defaut/grub and remove 'quiet' and 'splash' from
> GRUB_CMDLINE_LINUX_DEFAULT="quiet splash", it works fine. But, that's only a
> work-around; I don't want my guests to be able to break VNC.
> 
> setting vga="stdvga" doesn't help.
> 
> Does anyone know how to fix this?
> 
> Host Ubuntu: 14.04
> Host Xen: 4.4.2-0ubuntu0.14.04.14
> Host qemu-system-x86_64: 2.0.0 (Debian 2.0.0+dfsg-2ubuntu1.36)
> Guest Ubuntu: 17.10
> 
> Regards,
> 
> Wiebe
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> Xen-users@xxxxxxxxxxxxxxxxxxxx
> https://lists.xenproject.org/mailman/listinfo/xen-users


To follow-up, the attached screenshot is what I see when the server is booting 
with 'quiet' and 'splash'.

Attachment: xen-vnc-2.png
Description: PNG image

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