> -----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