From: Fiona Ebner <f.ebner@proxmox.com>
To: pve-devel@lists.proxmox.com, Dominik Csapak <d.csapak@proxmox.com>
Subject: partially-applied: [PATCH qemu-server v2 0/4] pci: bridges: cleanup and hotplug fix
Date: Tue, 8 Sep 2026 11:59:03 +0200 [thread overview]
Message-ID: <178886148933.60853.10683706895526362639.b4-ty@proxmox.com> (raw)
In-Reply-To: <20260907124335.2822329-1-d.csapak@proxmox.com>
On Mon, 07 Sep 2026 14:41:46 +0200, Dominik Csapak wrote:
> Main motivation for this series was a defect in how we handle
> hotplugging certain devices:
>
> When e.g. adding scsi15 on a vm with i440fx + lsi controller, we'd need
> scsihw2 (since only 7 devices can live on scsihw0 and scsihw1
> respectively) which sits on bus pci.4. This itself is not added by
> default to the config, so we tried to hotplug the bridge. This works,
> but without SHPC (which is neither the default, nor does it work
> reliably in all guests) one cannot hot-plug anything into a hot-plugged
> bridge. So when hotplugging scsi15 in this example, we'd hot-plug
> pci.4, but adding scsihw2 would fail and leave the disk in 'pending'.
>
> [...]
Already applied the first two patches, thanks!
[1/4] test: cfg2cmd: add test with q35 and scsihw2
commit: 0e6118dc89c5558d764a61a120d96dae39532c1b
[2/4] test: cfg2cmd: add test for legacy-igd passthrough
commit: 14c0f871fa926e04eee090afae5d2d8670aa4a79
next prev parent reply other threads:[~2026-09-08 9:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-07 12:41 [PATCH qemu-server v2 0/4] pci: bridges: cleanup and hotplug fix Dominik Csapak
2026-09-07 12:41 ` [PATCH qemu-server v2 1/4] tests: add test with q35 and scsihw2 Dominik Csapak
2026-09-07 12:41 ` [PATCH qemu-server v2 2/4] tests: add test for legacy-igd passthrough Dominik Csapak
2026-09-07 12:41 ` [PATCH qemu-server v2 3/4] pci: don't try to hotplug bridges Dominik Csapak
2026-09-08 9:59 ` Fiona Ebner
2026-09-07 12:41 ` [PATCH qemu-server v2 4/4] pci: bridges: add bridges to devices up front Dominik Csapak
2026-09-08 9:59 ` Fiona Ebner
2026-09-08 9:59 ` Fiona Ebner [this message]
2026-09-08 13:58 ` superseded: [PATCH qemu-server v2 0/4] pci: bridges: cleanup and hotplug fix Dominik Csapak
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