Re: SCSI hotplug issues with UEFI VM with guest kernel >= 6.5

From: Linux regression tracking #update (Thorsten Leemhuis)
Date: Fri Dec 15 2023 - 02:48:13 EST


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On 29.11.23 16:22, Fiona Ebner wrote:
> it seems that hot-plugging SCSI disks for QEMU virtual machines booting
> with UEFI and with guest kernels >= 6.5 might be broken. It's not
> consistently broken, hinting there might be a race somewhere.
>
> Reverting the following two commits seems to make it work reliably again:
>
> cc22522fd55e2 ("PCI: acpiphp: Use
> pci_assign_unassigned_bridge_resources() only for non-root bus")
> 40613da52b13f ("PCI: acpiphp: Reassign resources on bridge if necessary"

#regzbot fix: Revert "PCI: acpiphp: Reassign resources on bridge if
necessary"
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
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