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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?6kXa5AXQgQwa2lgCD6w4B91RWyMa2jjCmFC6phiDSLUBAEci11cTcPYHqam3?= =?us-ascii?Q?wdaK6MwAjnZNkWp6+kdFQM47Yezi6eHRqGDvPQkbzBYh+ncvCO3kUy5N7O/d?= =?us-ascii?Q?e/T477JnottDpQupn/1KLA8aHouxjlwulU7soz0pfYEnO4rnPanhnhBqli5h?= =?us-ascii?Q?NN6rfPJw+woluyF6UwUS3YtLdHK5PzaNvPC0tomuFlmK8w9L4ji8DB2eEgFe?= =?us-ascii?Q?EVods8Ca6pr3f8jxNo+E+fu4xFWH4YD6vQekk8w6zZoUmdhVgrz9sqAhKouM?= =?us-ascii?Q?RTsRpjX+uRTeu4ORbzn7pch8XrepoFnwhS1GFQoU0xXxU1HaRM71QWZnZHSu?= =?us-ascii?Q?kSK+5lr7bBq1nT1vmELbPEXSkLfki2AvgsRIPmLppg3WIA4IeCr6pl4u/Pd9?= =?us-ascii?Q?VF2xhXIEAo8q0GbuDrCyRGsEvxCYW2q8hrdNLNFY8RqlNZH/aygjqW5Z2P3P?= =?us-ascii?Q?uG/7kuUyC91q32oiKnPo0MwiH2wQ6o+nJyc1a+67vrVArfuXmmzpIbPID4A0?= =?us-ascii?Q?9U/3jJIfpXIpbG+K1q+K9e+BlUtYVNWdkOtx81Fc0hTKJJrjwWcnAhtWqRqA?= =?us-ascii?Q?xVnO0Pk4rCicSHDbGHIKk/hX9H1tk9AL6kMdmFbSG0Y+iZKSriIBW9M+tzLN?= =?us-ascii?Q?ehv9JWey9YKtGyTNGVtHpPhZvGW5GWJt48h2wyLrcIyya4gZAoE42LvaERTi?= =?us-ascii?Q?zfhFeuWIzfrg/3EbVHf8a/6xa39nACOBnO2Cwa6spXzy4xaTYexY2y6/vab7?= =?us-ascii?Q?5lwXSc4uxgaalMnN2r/kGBNq1SJf3V3eXRIrq4OhfRDDsVtoO6mZaNvB9sBX?= =?us-ascii?Q?GmPrqHOrUaJdbV3fflHSh6G/YM2tYBp2vslwyDggPVK0olmuFiQ+P8095Jcb?= =?us-ascii?Q?AoD6zS2nrQRNYwPrHqRdZxEx45aQwIwF16C3WDSU07/NdkpPC9quV/TQSYB3?= =?us-ascii?Q?p8bg+M+W6xc4WmuZctPXedURCxB/diV4RpXjlLbVwv6tTb1zIHYdWHrSBfaK?= =?us-ascii?Q?IgNPgSW4EC9GCYtdgdVwqmkGIdJo1T3xIdUxMa5ic2FBXEV1Admt5N95fxNs?= =?us-ascii?Q?4iCAfzK2WLrGDvwMcGuSXOsLuu6Mjd3pNEIxrmffg3cGTjNEstPKuiD5yJK9?= =?us-ascii?Q?yv+xT2DyKkOky1Mz8NkV6yOJNBTwqhjFQmQ7+0fDUltlnhY3HZMFeWG9a/j8?= =?us-ascii?Q?3gp8TadE0LflmIVr8llxoq9eT+uoAkjsrI75gNC0iXU50o64UqBuzk8pYkty?= =?us-ascii?Q?ThZF6bhZGF/dZRsjuWW5tynYeSmUJfWs/NUQkue7ITTFBdCjhtVF2PHyr1AZ?= =?us-ascii?Q?JDIGwdJplftT7AshCkIDKyzb1gOW506p9tflWEG2lKoNct1KULcgsHb6gtxw?= =?us-ascii?Q?ZQnR122bU1sNxXy/OPS8/6LTYDmepB6kay/hYxR6sz5V+LcDbbHEyVJOXuzy?= =?us-ascii?Q?8nxGWTuJh4n4QFhFVCRfI38KXiO0hIVb94m6tlxJRf5x9ChsQCmxFHobtabv?= =?us-ascii?Q?DongEDfvj0KUd0iPE/9dHfmWu5Um7KJvlTw3I5kIcUwz+4UOBJssk8WzPjqv?= =?us-ascii?Q?Jn+NGB2751kr9Og9kfGSY7P+cMSWwqHwX5uW3AnknMCKCe1/k/pGttVvUdU+?= =?us-ascii?Q?lQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: d1028ffa-72d4-4fbe-d013-08da7bfc290f X-MS-Exchange-CrossTenant-AuthSource: MWHPR1101MB2126.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 12 Aug 2022 00:46:58.2223 (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: +/wnNqtK+eL2qjnHcjXQehvEBFccOcDMIpTqIcy/Yab83Itd2CdcrDNWA0cPAg5Whjsym2SGntm7uUIlLIgJ+n3+qmUnFzpmsE88/ShjFcs= X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR11MB6395 X-OriginatorOrg: intel.com Precedence: bulk List-ID: X-Mailing-List: linux-cxl@vger.kernel.org Dan Williams wrote: > Bobo WL wrote: > > Hi Dan, > > > > Thanks for your reply! > > > > On Mon, Aug 8, 2022 at 11:58 PM Dan Williams wrote: > > > > > > What is the output of: > > > > > > cxl list -MDTu -d decoder0.0 > > > > > > ...? It might be the case that mem1 cannot be mapped by decoder0.0, or > > > at least not in the specified order, or that validation check is broken. > > > > Command "cxl list -MDTu -d decoder0.0" output: > > Thanks for this, I think I know the problem, but will try some > experiments with cxl_test first. Hmm, so my cxl_test experiment unfortunately passed so I'm not reproducing the failure mode. This is the result of creating x4 region with devices directly attached to a single host-bridge: # cxl create-region -d decoder3.5 -w 4 -m -g 256 mem{12,10,9,11} -s $((1<<30)) { "region":"region8", "resource":"0xf1f0000000", "size":"1024.00 MiB (1073.74 MB)", "interleave_ways":4, "interleave_granularity":256, "decode_state":"commit", "mappings":[ { "position":3, "memdev":"mem11", "decoder":"decoder21.0" }, { "position":2, "memdev":"mem9", "decoder":"decoder19.0" }, { "position":1, "memdev":"mem10", "decoder":"decoder20.0" }, { "position":0, "memdev":"mem12", "decoder":"decoder22.0" } ] } cxl region: cmd_create_region: created 1 region > Did the commit_store() crash stop reproducing with latest cxl/preview > branch? I missed the answer to this question. All of these changes are now in Linus' tree perhaps give that a try and post the debug log again?