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received-spf: None (protection.outlook.com: microsoft.com does not designate permitted sender hosts) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Alexander.Levin@microsoft.com; x-microsoft-antispam-message-info: P5G8TfxuAtyGYeQG4oy5nMsnrSyKd+TUkgpTfMcdqHrkPMwAuzky63F72+OMi+GHAXTF8xX7Dw5WQCLwoTTCZiNdjZ3QDb6qrXJKW444+E6Sm3Liq1eMULG52KixMaPJPFwfaMySrMPEa3Puxq5NjbUNnoRGGDQGq8dv7qvxs+IXFA4hQGiLqMnnrOTjZif+abu4SpXao4muxzoTAYk+1NUfQnX+NdEPfqwBNE+yKfkvkHcmQ036lVZ1DjzEev6GUAVUWGSCBDidOO5Z27yUJ57HL+brFNk/K55I5zOATirwOGgq51VPq5yzTLwvcF7/U+s8TTdcWpnQUoCmY+OTAw== spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="us-ascii" Content-ID: <698089C6C27CF943BDBEFE8F28446663@namprd21.prod.outlook.com> Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: microsoft.com X-MS-Exchange-CrossTenant-Network-Message-Id: e57a2d64-e224-4d93-17cd-08d58ab55fea X-MS-Exchange-CrossTenant-originalarrivaltime: 15 Mar 2018 20:43:14.4121 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 72f988bf-86f1-41af-91ab-2d7cd011db47 X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR2101MB0981 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Mar 15, 2018 at 03:04:30PM -0400, Pavel Tatashin wrote: >> >> Attached the config. It just happens on boot. > >Hi Sasha, > >I have tried unsuccessfully to reproduce the bug in qemu with 20G RAM, >and 8 CPUs. > >Patch "mm: uninitialized struct page poisoning sanity" should be improved >to make dump_page() to detect poisoned struct page, and simply print hex >in such case. I will send an updated patch later. > >How do you run this on Microsoft hypervisor? Do I need Windows 10 for >that? Booting a Linux VM on Azure would be the easiest, and free too :) >BTW, I am going to be on vacation for the next two week (going to Israel), >so I may not be able to response quickly. Have fun! We may need to hold off on getting this patch merged for the time being. --=20 Thanks, Sasha=