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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: DM6PR11MB3113.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6675dd46-d657-40c7-b9da-08da8792a1ad X-MS-Exchange-CrossTenant-originalarrivaltime: 26 Aug 2022 18:41:47.3526 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: E+l4U6x6P8BEWCZyHYACysCfZvTnDJlp4sxuTWQh26o7qOTQtQua/oBYQpHoBlGP1WAKDSPNYSmNcOiquLsPsCDo5yk8x/YPw7kgViGTj+w= X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1294 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org > -----Original Message----- > From: Alex Williamson > Sent: Friday, August 26, 2022 2:08 AM > To: Laba, SlawomirX > Cc: linux-pci@vger.kernel.org; netdev@vger.kernel.org; linux- > kernel@vger.kernel.org; regressions@lists.linux.dev; bhelgaas@google.com; > kvm@vger.kernel.org; linux-mm@kvack.org; songmuchun@bytedance.com; > mike.kravetz@oracle.com; Brandeburg, Jesse > ; Nguyen, Anthony L > ; Andrew Morton foundation.org> > Subject: Re: BUG: Virtual machine fails to start on 6.0-rc2 >=20 > On Thu, 25 Aug 2022 23:42:47 +0000 > "Laba, SlawomirX" wrote: >=20 > > 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 >=20 > Does this resolve the issue? >=20 > https://lore.kernel.org/all/166015037385.760108.16881097713975517242.stgi= t > @omen/ >=20 > This is currently in Andrew's mm-hotfixes-unstable branch and we're waiti= ng > for it to be merged to mainline. Thanks, >=20 > Alex With the patch you linked, the issue is gone. Thanks, Slawek