RE: BUG: Virtual machine fails to start on 6.0-rc2

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> -----Original Message-----
> From: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Sent: Friday, August 26, 2022 2:08 AM
> To: Laba, SlawomirX <slawomirx.laba@xxxxxxxxx>
> Cc: linux-pci@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx; regressions@xxxxxxxxxxxxxxx; bhelgaas@xxxxxxxxxx;
> kvm@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx; songmuchun@xxxxxxxxxxxxx;
> mike.kravetz@xxxxxxxxxx; Brandeburg, Jesse
> <jesse.brandeburg@xxxxxxxxx>; Nguyen, Anthony L
> <anthony.l.nguyen@xxxxxxxxx>; Andrew Morton <akpm@linux-
> foundation.org>
> Subject: Re: BUG: Virtual machine fails to start on 6.0-rc2
> 
> On Thu, 25 Aug 2022 23:42:47 +0000
> "Laba, SlawomirX" <slawomirx.laba@xxxxxxxxx> wrote:
> 
> > We were testing the changes for our VF devices and noticed an issue
> > when starting VMs with passthrough VFs. We then moved back to mainline
> > kernel and reproduced the issue on 6.0-rc2
> >
> > We noticed that the startup of the KVM hangs.
> >
> > Steps to reproduce:
> > Create a VF from the PF interface.
> > Configure VM XML with the VF PCI.
> > Start the KVM.
> >
> > To isolate the issue we moved back to kernel 5.19 and it was working
> > fine.
> >
> > Working tag v5.19
> > Tested failing commit 4c612826bec1
> 
> Does this resolve the issue?
> 
> https://lore.kernel.org/all/166015037385.760108.16881097713975517242.stgit
> @omen/
> 
> This is currently in Andrew's mm-hotfixes-unstable branch and we're waiting
> for it to be merged to mainline.  Thanks,
> 
> Alex

With the patch you linked, the issue is gone.

Thanks,
Slawek




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