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Re: [Qemu-devel] [PATCH v6 2/2] mach-virt: Provide sample configuration

From: Gerd Hoffmann
Subject: Re: [Qemu-devel] [PATCH v6 2/2] mach-virt: Provide sample configuration files
Date: Mon, 13 Feb 2017 14:19:41 +0100


> Clearly, for reviewing both files, I applied your patches, and then
> diffed the two files created by this patch. :)
> So, what speaks against adding "-serial mon:stdio" here too? Even with a
> graphical guest, the monitor is useful. And, if you care about firmware
> logs (who doesn't? ;)), seeing serial output is good. (Same applies to
> the guest kernel -- sooner or later everyone enables serial output for
> grub2 and kernel, for reporting bugs.)

Depends on the target audience.  I'd expect users don't care much,
developers probably do.

Yes, most of my virtual machines have a serial console too, even if they
boot into graphic mode.  If I screwed up graphics with a bad virtio-gpu
patch it is very useful to have serial console to figure what exactly
broke ...

> * I'm a *huge* fan of saving disk space on the host. So, thin
> provisioning FTW! Virtio-scsi is definitely a step in the right
> direction, but for the disk drive, please add these wo properties:
>   discard = "unmap"
>   werror = "enospc"

Good idea!


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