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Date: Tue, 1 Sep 2026 08:48:25 +0200
From: =?utf-8?B?SsO2cmcgUsO2ZGVs?= <joro@8bytes.org>
To: Liam Merwick <liam.merwick@oracle.com>
Cc: coconut-svsm@lists.linux.dev, linux-coco@lists.linux.dev
Subject: Re: SVSM: Updated Linux and QEMU branches available for testing
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In-Reply-To: <cc95e357-00da-456b-a41a-357ddc857d17@oracle.com>

Hi Liam,

On Tue, Sep 01, 2026 at 01:58:34AM +0100, Liam Merwick wrote:
> ./scripts/launch_guest.sh --qemu
> /root/src/coconut/qemu/build/qemu-system-x86_64 -i bin/coconut-qemu.igvm
> --image ./resolute-server-cloudimg-amd64.img

I found the issue, it is in the interaction between QEMU and the
launch_guest.sh script. The script does no longer detect that the device-plane=
property is available and does not add it to the command line. This explains
why IOAPIC IRQs (and also other IRQs) do not get through to Linux anymore.

I will prepare and push a fix.

-Joerg