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Peter Anvin" , leit@fb.com, dcostantino@meta.com, "open list:PERFORMANCE EVENTS SUBSYSTEM" , "open list:PERFORMANCE EVENTS SUBSYSTEM" , ananth.narayan@amd.com, Ravi Bangoria , Michael Petlan References: <20230616115316.3652155-1-leitao@debian.org> <20230616132954.GG4253@hirez.programming.kicks-ass.net> <100041d0-f2fe-331b-13a7-ad09082aeb7d@gmail.com> <20230616153221.GI4253@hirez.programming.kicks-ass.net> Content-Language: en-US From: Sandipan Das In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-ClientProxiedBy: PN2PR01CA0124.INDPRD01.PROD.OUTLOOK.COM (2603:1096:c01:6::9) To PH7PR12MB5712.namprd12.prod.outlook.com (2603:10b6:510:1e3::13) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH7PR12MB5712:EE_|DM3PR12MB9433:EE_ X-MS-Office365-Filtering-Correlation-Id: 1894de21-c3de-491b-1c98-08dbb4ff91fe X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:PH7PR12MB5712.namprd12.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230031)(346002)(136003)(39860400002)(366004)(376002)(396003)(1800799009)(186009)(451199024)(6486002)(53546011)(6506007)(6666004)(478600001)(2616005)(83380400001)(26005)(4326008)(2906002)(6512007)(66556008)(966005)(44832011)(6916009)(66946007)(8936002)(54906003)(66476007)(8676002)(316002)(5660300002)(7416002)(31696002)(36756003)(41300700001)(86362001)(38100700002)(31686004)(45980500001)(43740500002);DIR:OUT;SFP:1101; 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Moving to the latest Family 19h microcode (link below) will fix the problem. https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/amd-ucode/microcode_amd_fam19h.bin On 9/14/2023 2:03 PM, Jirka Hladky wrote: > Hi Sandipan, > > here is the info from /proc/cpuinfo >                                                                                                                                                                                                                       > vendor_id       : AuthenticAMD                                                                                                                                                                                                               > cpu family      : 25                                                                                                                                                                                                                         > model           : 160                                                                                                                                                                                                                       > model name      : AMD EPYC 9754 128-Core Processor                                                                                                                                                                                           > stepping        : 2                                                                                                                                                                                                                         > microcode       : 0xaa0020f > >>2. Microcode patch level > Is it the microcode string from cpuinfo provided above, or are you looking for something else?  > > Thanks! > Jirka > > > On Wed, Sep 13, 2023 at 6:19 PM Sandipan Das > wrote: > > Hi Jirka, > > Can you please share the following? > > 1. Family, Model and Stepping of the processor > 2. Microcode patch level > On 9/13/2023 8:00 PM, Jirka Hladky wrote: > > Hi Sandipan, > > > > Is there any update on this issue? We have hit the issue, and it makes > > the server pretty unusable due to the thousands of Call Traces being > > logged. > > > > Thanks a lot! > > Jirka > > > > > > On Fri, Jun 16, 2023 at 5:34 PM Peter Zijlstra > wrote: > >> > >> On Fri, Jun 16, 2023 at 08:13:22PM +0530, Sandipan Das (AMD) wrote: > >>> The reserved bits should never be set. The purpose of the WARN_ON() is to catch such anomalies. > >>> I am working out the details with Breno and will report back with a resolution. > >> > >> Thanks! > >> > > > > > > > > -- > -Jirka