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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?iso-8859-1?Q?OM+FgyITbneMUb2JZC3b7CN8i4fjmUXf2ELT5MzVqL0UF/RLsxNyAtHaQ2?= =?iso-8859-1?Q?yC/HlWWQDIXGZ52GN4RzlQVrtHhSrIJ7KCHMpdJ9uuGw38gUnMi5h4vl3d?= =?iso-8859-1?Q?gloI3p9VRMg1tPZwotn4MrjY8ykGLSeKE2b64hjuS67RmgrosDTXThoSM7?= =?iso-8859-1?Q?e6LWm5QWTHgzCGWDnbEv1jOBTGemQZO+m1BSbFjw8z0Fl+L6Eb5rzFG9uI?= =?iso-8859-1?Q?z+jKkYeXCRS4GpxMBqJBSMeBxkqNP/07Npbj1wnSjyo7G+BozyzZrO1zWm?= =?iso-8859-1?Q?SNf4Cb3SFPP0QsGiC39Gpdq3WypD/3teEDOv7glifaGvY29VRp3wBtwCDg?= =?iso-8859-1?Q?2vF1+aia4zLqLiLdNAUw86uIKM1Mmy8sSl2PKaAbThoTCnwfPb8gKEFSOs?= =?iso-8859-1?Q?Jv1/ToXC2r/7jq6t2Xou1+WlnM7aMBzedl5waI7zzGNmzY+CTkOvU3UOgB?= =?iso-8859-1?Q?kpwUlaeJ9+MHLVH5Jbr1hNnDVtWuJY8o/E+yC9+k0AlbjRo7uUc8Nqzo+f?= =?iso-8859-1?Q?GYesUQQ6PI2LWCvLrpLtc9A8iKHjYfGQnrFCf53R74BpSBlZX+kQcPanx1?= =?iso-8859-1?Q?L+w/1Y/gCeaX3HJZlilTwLxBOgDgt+Vj/YyZJHbrAnCQ7AAHebvJqGC2cs?= =?iso-8859-1?Q?rLNVoBehFK5fKSC62N/3u/JvfLU89+99I/ZVJ18RFVNMKZALZpgh7+fCHr?= =?iso-8859-1?Q?N/hHaCSnXfek9x4/+R7n0tzl0xScuHjnCf0Ehy4ttDlajk6dzUhbB+4IAu?= =?iso-8859-1?Q?49U1pCZWAPG7e4b7mVuw3+pK1kQs3tAL8WAWlUjfZm3iJ6Yq0tB32llUYf?= =?iso-8859-1?Q?axCFAC/gSYyP0I63U5m5J7vBrW6gIX7MfqPrZ8b+TPEEgs7yZTurOeQfgr?= =?iso-8859-1?Q?Dm9fv3HNeSs9jru4GJUz5vKnu13DqXdYg5NxZxH0j9vgFnIqvuGBqvloMW?= =?iso-8859-1?Q?Bgn7bra7OsalLlTLZvLuJgG0Ltk1NcObzEzosBjHt/IpgcUNfQQjAI/Grb?= =?iso-8859-1?Q?pXwLSIN3lJc4l/UgNf/4JyBiKOtFNqOvhPghpPh0dgri2VXN5nsL5BX2ii?= =?iso-8859-1?Q?sH7DpoYQz6/z0jNwb3HP88Fc63efIgb6QEbYcGith7+j0ZqJETpl2cLX0v?= =?iso-8859-1?Q?Db4ZETm2pDLqt10d+TaMneUv+YA6CW3G93nCcMQYg8xBM8pKdt+7JkI5mU?= =?iso-8859-1?Q?RLhtA5Px0SfNmifKKaZOHUjYpW0lGfcJo1sgodB1XuztlFP0JN73iI8Jx4?= =?iso-8859-1?Q?INhRHrdvhNObXLKUIPyZrL/9tBf+KJMJRCKuyUCyDMAOG7w4H9ZMAUAYfF?= =?iso-8859-1?Q?aumhG5vFUqGvsDugWAwOoB/2R9Q+E6FHOCpTj2J9mLoPa6L0Z2D2MjlzyG?= =?iso-8859-1?Q?nVjIImVff7FzTXGzuXTyk0x7pUubDbxYpHpNvQI4VLCqyt5xv1m9J6NkVP?= =?iso-8859-1?Q?jJEBv+N+T+fEQMlKcl0U0S0TA+hfh0rRKPYQi3DNN0ZxMDBeiLeBVEAjQY?= =?iso-8859-1?Q?VB9X/7n1Oq0QaLIEbZe0KReKNVb7MsITtlMrmD8jiyBQSpZ1/1o5y8FLtK?= =?iso-8859-1?Q?KVd0UK5LWiCrUXtr09v7tcgZ/qQsanP3DkyqQYC1MeVDHBa78J11FDVbEl?= =?iso-8859-1?Q?oJ/T/Yy3gl9HtGCGFfeHqoQl1iSugYjaEh?= X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-Network-Message-Id: 22db0730-f1ae-4c92-7b8c-08dd654c3ead X-MS-Exchange-CrossTenant-AuthSource: DM4PR12MB6373.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Mar 2025 12:07:10.2766 (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: kx51dQ3hzGrV+1ySo9srQNQ+86rt03+vuJ7VINuryF5wZ9UqO3k+GJERL+S0bAcviU2V0Kbz7jO5h2vcaZeN7g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR12MB7501 On Thu, Mar 13, 2025 at 06:48:42PM +0100, reox wrote: > > > Am 13.03.2025 um 18:31 schrieb Borislav Petkov: > > On Thu, Mar 13, 2025 at 06:21:28PM +0100, reox wrote: > > > Hello, > > > > > > I hope it is okay to ask such a question on this mailinglist, however there > > > is surprisingly little information on this topic (or I'm not deep enough in > > > the matter to understand everything correctly...). > > > > > > I have a server with a ASRockRack B665D4U-1L board. I'm running Debian with > > > bookworm-backports kernel 6.12.9-1~bpo12+1. > > > In the syslog I see the following output of EDAC: > > > # dmesg | grep -i EDAC > > > [ 1.340448] EDAC MC: Ver: 3.0.0 > > > [ 4.705255] EDAC MC0: Giving out device to module amd64_edac controller > > > F19h_M70h: DEV 0000:00:18.3 (INTERRUPT) > > > [ 4.705262] EDAC amd64: F19h_M70h detected (node 0). > > > [ 4.705266] EDAC MC: UMC0 chip selects: > > > [ 4.705267] EDAC amd64: MC: 0: 0MB 1: 0MB > > > [ 4.705270] EDAC amd64: MC: 2: 8192MB 3: 8192MB > > > [ 4.705273] EDAC MC: UMC1 chip selects: > > > [ 4.705274] EDAC amd64: MC: 0: 0MB 1: 0MB > > > [ 4.705277] EDAC amd64: MC: 2: 8192MB 3: 8192MB > > > > > > However, compare this to the real amount of memory (2×32GB): > > > # lshw -c memory # shorted > > > *-memory > > > size: 64GiB > > > capabilities: ecc > > > configuration: errordetection=multi-bit-ecc > > > *-bank:0 > > > description: [empty] > > > *-bank:1 > > > description: DIMM Synchronous Unbuffered (Unregistered) 4800 MHz > > > (0.2 ns) > > > product: HMCG88MEBEA081N > > > vendor: SK Hynix > > > size: 32GiB > > > *-bank:2 > > > description: [empty] > > > *-bank:3 > > > description: DIMM Synchronous Unbuffered (Unregistered) 4800 MHz > > > (0.2 ns) > > > product: HMCG88MEBEA081N > > > vendor: SK Hynix > > > size: 32GiB > > > > > > I'm a bit confused here... Does EDAC simply miss half of the memory? Is this > > > output correct? Or the memory controller not fully implemented / bugged in > > > that kernel version (with the bookworm kernel it does not load EDAC at all)? > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > > > What does that mean, exactly? > > > > Are you force-loading the module? > > Sorry, that was formulated a bit sloppy... I meant that with the current > bookworm kernel (6.1.128) there was no memory controller detected. The > module was loaded fine but reported nothing. As far as I can tell, support > was added only with 6.5 with commit 6c79e42 (would the expected outcome in > my case also be 4×16GB?). > > by the way, if it helps, the CPU is a "AMD Ryzen 7 PRO 8700GE w/ Radeon 780M > Graphics". > > > > > You could send a full dmesg... > > from 6.1.128 or 6.12.9? > >From the latest, please. It could be that the memory layout/assignment is slightly different on this model group compared to others. I'll see what I can find out. Thanks for reporting this! Thanks, Yazen