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Wed, 21 May 2025 15:41:42 +0000 Date: Wed, 21 May 2025 08:41:39 -0700 From: Alison Schofield To: Itaru Kitayama CC: Subject: Re: Internal error: Oops: 0000000096000044 [#11] SMP Message-ID: References: Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: X-ClientProxiedBy: SJ0PR03CA0193.namprd03.prod.outlook.com (2603:10b6:a03:2ef::18) To SA1PR11MB8794.namprd11.prod.outlook.com (2603:10b6:806:46a::5) Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SA1PR11MB8794:EE_|BL1PR11MB5303:EE_ X-MS-Office365-Filtering-Correlation-Id: c16bac52-be3c-4b53-3a56-08dd987dfc3e X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?kpS1T/y+D02GitMsZeuphToy6NoQdI5kLUeVOaCrRknn7SZDjS37Y7Sox55T?= =?us-ascii?Q?/IM5wbwNWPwbiodOBOt40VE7mnDb6a91Xk+Cy44SgC9ktgPMLuUHiJUukC90?= =?us-ascii?Q?Js2Xr8sUwMfl6bd5V9fxwnC3auOkQhc/hl0liaGJ8+mBxM1qsRWE8oBDyuGq?= =?us-ascii?Q?Sx39+07V67K6nxeDwa6OCb/mFnfMj9SI27+ItAe2OMUuUU/ghC4GBY6BqttS?= =?us-ascii?Q?X3TRuATkCW3HWh+gtGhTGyuxChC21QvOU+6qCiK5GF1NCGcR2kmA6ik2uzM6?= =?us-ascii?Q?BXM85j6ARKKJHY6cYbNLyacTw9TGOvCOBykpN+Wr11MoDc1i+BKCR+I1FQyG?= =?us-ascii?Q?XXSlzNgxjc/Rzp1L4dlgHeRhzmM+f8QsadKpTo8okq7ZH9JuqPyrHaYVCiBy?= =?us-ascii?Q?WkFRrrOy7e8cl2xdCvGzBIsWJgRjC7OBh5SNwvcUnK6mGHB2uQOeb+0tJ60U?= =?us-ascii?Q?w3qn3Wr2wNtdfl85YrHe5/V5TjxIOkthctMM9gNUuxJIFKoXVp7aDC1grrf8?= =?us-ascii?Q?ErXgNQs98XXp1k53qYEmKTGLvtcgcacm6pvBrRRQT3dfdES5hiHkaYIFalvs?= =?us-ascii?Q?eYhV/n6PN3Ro+nw7yaW1YJGIZdQfV9g2xdfzSoZA0yWANAOvusQ4JU05A0tB?= =?us-ascii?Q?LHIF4cDHjBRV84D7tzn+RrDHO0HPqFgrjJR9Xad4NVK1CIKwl5t0YRtvKdYo?= =?us-ascii?Q?F0D2KRP9xcuhKkMc8qjUcZ03H3ZIxsOpgfGmwETvtI+jeE8oHbRnuSiSzFl+?= =?us-ascii?Q?OmOEaaOy3norL0RGIjpsbSdRTbzUAttUOjY229AGGkgNag0kB+wRwQrLaDic?= =?us-ascii?Q?GUSDOo4Jocw646DZBAVtD4Ha6CyWr+m3twoKOE4wqfmSZdBglZvHluhzWVmh?= =?us-ascii?Q?9FKHDLHZh+oS2Yp4Tg0uMcPzuSX79ZZRRj4TMm+F5cPnDgxXngfh6r+avZ5D?= =?us-ascii?Q?MY1nQw3+UzEwVCTFC1RngDMIKCOjJtn1Bmql3ZavMTP6/1PU98omD+56ZCYN?= =?us-ascii?Q?MdPnPRmw52aNHCi3BTK2OrExVsue4MRyq1obdMb2XkY/AU9khBcWUzI78yuX?= =?us-ascii?Q?oEQpRAUKQAysuP3ha4gqw0zrg5eI3YPBswUCDOxTrH/NCAJ2PGwztAeiO8TI?= =?us-ascii?Q?g6beBAjlHllVzRDc/yNoomutdo6Beu60wd0UnH317S6ndGIDBKrqrQtZzyk9?= =?us-ascii?Q?KIQz25u8qzPEylUctxuNzp8OhoTVyLdKehH6+W9oJXqLT1n/dymb8/70dsCy?= =?us-ascii?Q?2HI+cklHTDQII2ap11+9JmS+SMkAwflZtxNAMCPz9P9ABSz5iVj7CFeUcaBc?= =?us-ascii?Q?/J9Qmr51dxJYwmQ5Lxdy/ZUF7UZSeNYh9kqY414cGdxFfWd1AYJsqp4ZwD8Y?= =?us-ascii?Q?YOTDk0o=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SA1PR11MB8794.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?nIwcuVZ4BUkm3BPnuf8dbi24Zz8TEufQWDqOrVfJDJ4iy6lNPZOjXDuvB0Ce?= =?us-ascii?Q?HDWcZFEagLXBFDhrOkeNx4zshtW5INcefRYxowmCgcvVvczw6xfFc7xJDWxp?= =?us-ascii?Q?o6wRU8TqmYEHkb9nSb8q/vBB+K8+p3gz3Cb/Rk3cz4frsv0P6Svnvn1JgpIM?= =?us-ascii?Q?5EYfkm1tR0RlwTuESRbWvl5HroyKSaPF34dfQRVzdqnVisz3QkrFf/awzKf6?= =?us-ascii?Q?Cceq331Y9oki2AXLxa+sDWtJX4lzco+H/+7E6uvTfr0NWm199bpRMqk0Xrsz?= =?us-ascii?Q?SrZ7rAtmmzFi8ul67wakchh/RHSCESi9rI4vDs2PVY1O1C1flYPetT+dQuxJ?= =?us-ascii?Q?WJ7IG3G9bMeN1ODN03dbVP0D7ntoCBHW3gxhg8ii5UqrwXhpHIenNfk+PIFu?= =?us-ascii?Q?51n6/ECjfVOP7TkirVtpWoB2drkHBwRJbC1TisWSjKZsosHmaUa9ky0RIOzF?= =?us-ascii?Q?tySZEJKBLYslmmnLUpC50EQriptUWAt8o+pq0RhdtmgY2e4cqx2tycUksT8R?= =?us-ascii?Q?EdUuU+QMOjtljip+Pjg+DY6CAZI86YienrZMUoT1EJjhPfJRTpRPph59GfGx?= =?us-ascii?Q?J6sbQ0MiMmpOUtjJVzuAwS5HMovAsUN+Xz8zdkUS1HQSQtdVV/ie698eWEmt?= =?us-ascii?Q?EF1096zk9ishM54QabcGsvgoLEb9jdyp38exId8nRDTnKupmbMsxfAYeTeDq?= =?us-ascii?Q?/nTDRi2GIne6kpcVlSQsTR2WFTBvCyOUtGakAG5GQ+V5ZwdTOZu6GGgjbRRx?= =?us-ascii?Q?XdcxjcaGJqCg6kjvoxzAyKk/7ti8TRR6V9uzOFYd+VUipogHKdlO6j1XfSep?= =?us-ascii?Q?+eYCKLcDqK0JmDCC0Sl2ABcDa4S+oG3dL0DtPmE4Tx+NRPc/cUq6Dwp7PF3X?= =?us-ascii?Q?Tzv4OacGrg0EoPCESU34cvB6wjO/NYJ52fUpac1uP2488Mbyv6dHnEb1/HlE?= =?us-ascii?Q?O30KXez1xoHwtUGjWokCr8nLwlykvJO2dq/pwNAMvd8Lg1dUS765Bl2slimn?= =?us-ascii?Q?A7d/Ovs6kFHRDQfEAPWsUrePjlO+Ig2dk9YuWsD6lWDQ9KT+aAJFplwusJtA?= =?us-ascii?Q?tTt0CPviLlSq/Cv+/4xwvuiLyoysRbWbq90Eh17a5QSExiyB+BlLhJKdF3Cg?= =?us-ascii?Q?rq2sZW2xBQ+Qpv5cLa3lnEB6xSUD+FTZn2GSTSy2etvnkevzx17z0IzLQibz?= =?us-ascii?Q?oXAmYorf2tPdXEzVNh1wpZRlJ4r2wZyc/rlWtG5aPeOYpjSC2KxVbtdFC2dw?= =?us-ascii?Q?SS2VkV7b8IFz/2RKq7wPGBZrmjAxZf0JWTzVunRy8KSNmTfzMKtsZNW+0ami?= =?us-ascii?Q?9sMPH4nWYB/rzecfCWAxOwNT9aHqZVNmIK+dwMsyA36xJRuC+G/zDJi4D+Jk?= =?us-ascii?Q?YgT8CsTYPNR7cy2WXUdRjsgDA65TaSZVpsTkRaqj16o4X8UAzNBqeTZT/cWg?= =?us-ascii?Q?Vof7btKtLF49xRqqSPDMuVTPUH7v/v5VhaPO0Gykq8kRgIQx43X5gm29v11U?= =?us-ascii?Q?mhQve8/XWWBJIVlCL5U8iyYFnVu3SBXmKW9cawrWaclhYzk/bZw1t4uU7ne/?= =?us-ascii?Q?QhTbS5eA5rWwLhDBZwcSRGFi7uyhJlzpA2JsirdyemCrsGYXdPnEAFfnQvS6?= =?us-ascii?Q?PQ=3D=3D?= X-MS-Exchange-CrossTenant-Network-Message-Id: c16bac52-be3c-4b53-3a56-08dd987dfc3e X-MS-Exchange-CrossTenant-AuthSource: SA1PR11MB8794.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 May 2025 15:41:42.8273 (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: rvSdgxF014GNa/dZ2dwtwPbcP2uzEJfRKWBJzadKkH6b5SKm58kVyw+QjLrHmhtb+JoK7UgC4NFhmwpZiTA9qmm8LB8JFIZRcoGVee5KcvU= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL1PR11MB5303 X-OriginatorOrg: intel.com On Wed, May 21, 2025 at 05:39:05PM +0900, Itaru Kitayama wrote: > Hi, > On arm64/virt QEMU, the cxl/next (as of today) kernel prints out Internal errors: Now I'm connecting more dots. You posted this previously here: https://lore.kernel.org/linux-cxl/49A4B521-AB66-4037-A23D-1D0D7AF0F42F@linux.dev/ > > [ 80.968299] [ T48] Internal error: Oops: 0000000096000044 [#11] > SMP > [ 80.989250] [ T48] Modules linked in: cxl_mock_mem(O) cfg80211 > rfkill cxl_test(O) cxl_mem(O) cxl_pmem(O) cxl_acpi(O) cxl_port(O) > cxl_mock(O) libnvdimm encrypted_keys trusted caam_jr caam asn1_encoder > caamhash_desc caamalg_desc error crypto_engine authenc libdes fuse drm > backlight ip_tables x_tables sm3_ce sm3 sha3_ce sha512_ce sha512_arm64 > cxl_core(O) fwctl btrfs blake2b_generic xor xor_neon raid6_pq > zstd_compress ipv6 > [ 80.992210] [ T48] CPU: 1 UID: 0 PID: 48 Comm: kworker/u8:2 > Tainted: G D O 6.15.0-rc4-00040-g128ad8fa385b #40 PREEMPT > [ 80.992791] [ T48] Tainted: [D]=DIE, [O]=OOT_MODULE > [ 80.993039] [ T48] Hardware name: QEMU QEMU Virtual Machine, BIOS > 2025.02-3ubuntu2 04/04/2025 > [ 80.993400] [ T48] Workqueue: async async_run_entry_fn > [ 80.994718] [ T48] pstate: 61402005 (nZCv daif +PAN -UAO -TCO > +DIT -SSBS BTYPE=--) > [ 80.995329] [ T48] pc : cxl_mock_mbox_send+0xec/0x12c0 > [cxl_mock_mem] > [ 80.995691] [ T48] lr : cxl_internal_send_cmd+0x40/0x104 > [cxl_core] > [ 80.996189] [ T48] sp : ffff800080d0b9f0 > [ 80.996380] [ T48] x29: ffff800080d0ba70 x28: fff0000008dd2410 > x27: fff00000088fb390 > [ 80.996714] [ T48] x26: ffff800080d0bb07 x25: 0000000000000100 > x24: 0000000000000003 > [ 80.997135] [ T48] x23: 0000000000000020 x22: fff0000008dd2410 > x21: 0000000000000002 > [ 80.998119] [ T48] x20: fff00000088fb080 x19: ffff800080d0bb08 > x18: 00000000ffffffff > [ 80.998419] [ T48] x17: 0000000000000000 x16: ffffa8d169128748 > x15: ffff800080d0b5ad > [ 80.999243] [ T48] x14: ffff800080d0b400 x13: ffff800080d0b5b8 > x12: fff000006f7a0000 > [ 81.000519] [ T48] x11: 0000000000000058 x10: 0000000000000018 x9 > : fff000006f7a0000 > [ 81.001337] [ T48] x8 : ffff800080d0bb48 x7 : fff0000074fa0000 x6 > : fff0000074fa0000 > [ 81.002497] [ T48] x5 : fff000007f937508 x4 : 0000000000000001 x3 > : 0000000000001000 > [ 81.003993] [ T48] x2 : 0000000000001000 x1 : 0000000000000000 x0 > : 0000000000000088 > [ 81.004223] [ T48] Call trace: > [ 81.004795] [ T48] cxl_mock_mbox_send+0xec/0x12c0 [cxl_mock_mem] > (P) > [ 81.005136] [ T48] cxl_internal_send_cmd+0x40/0x104 [cxl_core] > [ 81.005520] [ T48] cxl_mem_get_records_log+0xbc/0x198 [cxl_core] > [ 81.006042] [ T48] cxl_mem_get_event_records+0xb0/0xc0 > [cxl_core] > [ 81.006246] [ T48] cxl_mock_mem_probe+0x568/0x6f0 [cxl_mock_mem] > [ 81.006417] [ T48] platform_probe+0x68/0xd8 > [ 81.008340] [ T48] really_probe+0xc0/0x39c > [ 81.008885] [ T48] __driver_probe_device+0xd0/0x14c > [ 81.009539] [ T48] driver_probe_device+0x3c/0x120 > [ 81.010239] [ T48] __driver_attach_async_helper+0x50/0xec > [ 81.011130] [ T48] async_run_entry_fn+0x34/0x14c > [ 81.011276] [ T48] process_one_work+0x148/0x284 > [ 81.011420] [ T48] worker_thread+0x2c4/0x3e0 > [ 81.011552] [ T48] kthread+0x12c/0x204 > [ 81.011693] [ T48] ret_from_fork+0x10/0x20 > [ 81.011840] [ T48] Code: 54001b28 a90c6bf9 52801100 f9400a61 > (a9007c3f) > [ 81.013772] [ T48] ---[ end trace 0000000000000000 ]--- > > How serious is this? > > Thanks, > Itaru. >