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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?3fbxhdyPxcXbTldfzwb2cvn0otbaV16qX/6WrRgpe+td32KFV2EWwILxYHet?= =?us-ascii?Q?aw7NCqk2PR9DSTV2ecqYymC4dPGohtbLG2EHmd3wTdxIZg6ELeNZfhLIQPsm?= =?us-ascii?Q?//h/ub9EcHuG2VZyVkjRX+Y4AR1yQaUEg0FNz00DaE3QNQcOexgPZMzg/GDl?= =?us-ascii?Q?5+zunjdO2pqy4ogQsLkg3l/VkYVz5phnNYkOZyAEyeuJ3w2MwrfWvhHQ4Foe?= =?us-ascii?Q?tPOMz0+tB7Mip4zfrVNBtewjtSkqElR39Uovd9vd0wsTA9lzfeQIRNj2bewg?= =?us-ascii?Q?2+rD18CYlCJsGY1nJcGM24o7kcp1rN5GDoRTahfE4O2/zXu0dhaefUPnxUBp?= =?us-ascii?Q?avXKEJ115TOXiBnyjqhDEJgqdfZ4gdUjPY9Rfv+aniM3x4OBb6iiZlw8JFki?= =?us-ascii?Q?3dyhz/ugf0zjbHhrUcA0KN4GsU8I2/1gNt+3KC+8un74dvyk5rKkGf68dXG+?= =?us-ascii?Q?fL8fcxHXyd1LeeKuCbDx++WVXUj8Neb10JDhgPR0ICtBKQPMNsf/UXMENkKs?= =?us-ascii?Q?+p5CFtVll6slf/mnM9MWEWbQ2964OLjt4GbSIK1kk0MoLxs2iJYVdumAGyEs?= =?us-ascii?Q?LvR3otbEYHixGFeovhIcydSqbZxpSVf5MesKvahnc4Za/M3kyO1isViRfLFy?= =?us-ascii?Q?H2Qoo1EIGXjK6BqDSFzMnE2Soa5UCMH/JGQcFxJDrGfSQcjFk3ivTJwnEcbZ?= =?us-ascii?Q?/4vo1lkVUPhXq8XajJ6b92iXwnPW3wQ96rf6vY5MqCEKmDKWAXEItWgW724Z?= =?us-ascii?Q?5yX7nl7v2VVeR/y3UCqt/PwD7Rb/F6RPDY4B5r8kQj638z+CWS44LAa1zGZQ?= =?us-ascii?Q?hTzopO0ZWniu4Ia0o4sWBJjxCRlE8PLPQPf152+c6WC5PwpklMCMBo0WBTtb?= =?us-ascii?Q?C9VCoKJZVCEQRrLVtcT9YM+zIgbduVOc5eQMUAzU8qc9VFRUkr43hXSSaHi+?= =?us-ascii?Q?sZBSekEbwoMxTD9wGq2o9yN0hE7fMb79K29OaA4tcCShNhohhWo1c2xeMUc/?= =?us-ascii?Q?3ckbdm7+WI92I+FpiDhdU4YtJSftGPFphEnHUVWV6Lf8SSvjYChRxRX/kZ+N?= =?us-ascii?Q?ciYaFbGXZXGAmKcz/jbBMTib7lgfE1ZGbnK2x4ylhZFplsq0Ryp/c2HClF66?= =?us-ascii?Q?puDKL72xwK7bJaXzyZrYQgzmTGZC3ZrAaJ7EQwB4vMuRjeiFytn28SiwL4at?= =?us-ascii?Q?FntbPi/n5sDFLeofie3hcUJrkHSJ4kut9KEmV7iFSZzAy/0CeBda1xIxJdSS?= =?us-ascii?Q?J3j7uICURzsketsepDMHV7cGlch8gAmtelu5ch2m4sHNr5WoXrwq37JOuhbC?= =?us-ascii?Q?/AjhOo7QeVI29dymsSg51kWhO9i5PzpLRzZm2/E8vDpMAE8/VgQsQlwVGJB+?= =?us-ascii?Q?wxbmF7b4LXPbnynDIllnCRZjz2mBdUhojzofoZKkvNJkxFfPO5vw/DGz3r46?= =?us-ascii?Q?C42n5Htdenl181aHq5sGv40sVtlenza+Jzgu3sTPrVn06eyOW0I5QjhNFKmS?= =?us-ascii?Q?amqFVSEcyM4Auk8wQdCUDKcOcNuCHoZewgNHDUEld0EXlrscHFASIGpyuvwN?= =?us-ascii?Q?AMEI/0suImavJ1jysnWdcs2r2Y82Ro2+UnK/4Odm?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 98d2d96a-0dc3-4ee2-c3ed-08dd49c31a95 X-MS-Exchange-CrossTenant-AuthSource: CYYPR12MB8750.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Feb 2025 11:07:27.2585 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: eb82G7/73dfWSujfqapX0BgL4IO49N/mBErchfkG9i7DXMHyR1NOHYo6nN8bln1c0GUDNcI4U4LBluDmLOYUTg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR12MB8924 On 07.02.25 17:19:50, Gregory Price wrote: > On Fri, Feb 07, 2025 at 09:36:08PM +0000, Jim Kao wrote: > > Do we have any limitation for HDM Decoder Range in Linux Kernel ? > > We has observed that Linux might be hung if range is larger than 8TB. > > > > Jim > > > > Do you have any additional details? dmesg/core dumps, etc? > > Seems pretty suspicious that it happens right on the 44-bit boundary. I am not aware of limitations from CXL spec or driver. AMD platforms support a much larger physical address range. -Robert