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Sun, 9 Oct 2022 16:54:33 +0000 Received: from MN0PR12MB5953.namprd12.prod.outlook.com ([fe80::4f54:a52f:723c:1d67]) by MN0PR12MB5953.namprd12.prod.outlook.com ([fe80::4f54:a52f:723c:1d67%7]) with mapi id 15.20.5676.036; Sun, 9 Oct 2022 16:54:32 +0000 From: "Pandey, Radhey Shyam" To: "akpm@linux-foundation.org" , "catalin.marinas@arm.com" , "will@kernel.org" CC: "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" , "Sarangi, Anirudha" Subject: memtest (arm64) throws level 2/3 translation fault Thread-Topic: memtest (arm64) throws level 2/3 translation fault Thread-Index: Adjb/dLLYtB0d54ASy2SwiNc1FLmRw== Date: Sun, 9 Oct 2022 16:54:32 +0000 Message-ID: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: MN0PR12MB5953:EE_|BL1PR12MB5143:EE_ x-ms-office365-filtering-correlation-id: 45e28493-1f27-485c-4006-08daaa16f08d x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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arc=pass ("microsoft.com:s=arcselector9901:i=1"); spf=pass (imf06.hostedemail.com: domain of radhey.shyam.pandey@amd.com designates 40.107.223.87 as permitted sender) smtp.mailfrom=radhey.shyam.pandey@amd.com; dmarc=pass (policy=quarantine) header.from=amd.com X-Stat-Signature: qcqfmsbpucq6ouypq6snxwx5ciyo179y X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: A8DAA180015 X-Rspam-User: X-HE-Tag: 1665334476-958346 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi folks, I am seeing memtest(mm/memtest.c) reported failure "level 2/3 translation fault " on a particular Xilinx-AMD Versal ACAP internal development board.= =20 However, i can access same memory range (ported memtest) properly in a standalone(baremetal software stack/ no-OS). I copied below linux boot log for reference. Please let me know any=20 suggestion/experiments to rootcause this issue further.=20 Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd083] [ 0.000000] Linux version 6.0.0-rc6-01408-gedce21691e3e (-)=20 (aarch64-xilinx-linux-gcc.real (GCC) 10.2.0, GNU ld (GNU Binutils) 2.35.0.2= 0200730) #58 SMP PREEMPT Sun Oct 9 21:49:47 IST 2022 [ 0.000000] Machine model: Xilinx Versal internal Eval board revA [ 0.000000] earlycon: pl11 at MMIO32 0x00000000ff000000 (options '115200= n8') [ 0.000000] printk: bootconsole [pl11] enabled [ 0.000000] efi: UEFI not found. [ 0.000000] early_memtest: # of tests: 1 [ 0.000000] 0x0000000000000000 - 0x0000000000210000 pattern 0000000000= 000000 [ 0.000000] 0x00000000025de000 - 0x00000000025e3000 pattern 0000000000= 000000 [ 0.000000] 0x00000000025f0000 - 0x0000000074b79000 pattern 0000000000= 000000 [ 0.000000] 0x0000000074b7f080 - 0x0000000074b82000 pattern 0000000000= 000000 [ 0.000000] 0x000000007deca000 - 0x0000000080000000 pattern 0000000000= 000000 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff00007fc10000 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000047 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x07: level 3 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000047 [ 0.000000] CM =3D 0, WnR =3D 1 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff00007fc10000] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8008 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8008] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Unable to handle kernel paging request at virtual address ff= ff0008ffff8118 [ 0.000000] Mem abort info: [ 0.000000] ESR =3D 0x0000000096000006 [ 0.000000] EC =3D 0x25: DABT (current EL), IL =3D 32 bits [ 0.000000] SET =3D 0, FnV =3D 0 [ 0.000000] EA =3D 0, S1PTW =3D 0 [ 0.000000] FSC =3D 0x06: level 2 translation fault [ 0.000000] Data abort info: [ 0.000000] ISV =3D 0, ISS =3D 0x00000006 [ 0.000000] CM =3D 0, WnR =3D 0 [ 0.000000] swapper pgtable: 4k pages, 48-bit VAs, pgdp=3D0000000001aca0= 00 [ 0.000000] [ffff0008ffff8118] pgd=3D18000008ffff8003, p4d=3D18000008fff= f8003 [ 0.000000] Insufficient stack space to handle exception! [ 0.000000] ESR: 0x0000000096000006 -- DABT (current EL) [ 0.000000] FAR: 0xffff0008ffff8118 [ 0.000000] Task stack: [0xffff800009fd0000..0xffff800009fd4000] [ 0.000000] IRQ stack: [0x0000000000000000..0x0000000000004000] [ 0.000000] Overflow stack: [0xffff800009a38300..0xffff800009a39300] [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.0.0-rc6-01408-gedc= e21691e3e #58 [ 0.000000] Hardware name: Xilinx Versal internal180 Eval board revA (DT= ) [ 0.000000] pstate: 400000c5 (nZcv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE= =3D--) [ 0.000000] pc : die_kernel_fault+0x2b0/0x358 [ 0.000000] lr : die_kernel_fault+0x244/0x358 [ 0.000000] sp : ffff800009fd0110 [ 0.000000] x29: ffff800009fd0110 x28: ffff800009fe3c40 x27: ffff80000a0= 6ed50 [ 0.000000] x26: ffff80000a06e000 x25: ffff800009818000 x24: ffff8000098= ca000 [ 0.000000] x23: 0000000000000118 x22: ffff0008ffff8000 x21: ffff800009f= d0220 [ 0.000000] x20: ffff0008ffff8118 x19: 0000000096000006 x18: 00000000000= 00030 [ 0.000000] x17: 3030666666662073 x16: 736572646461206c x15: ffff800009f= e40f8 [ 0.000000] x14: ffff800009ff2f50 x13: 00000000000003a5 x12: 00000000000= 00137 [ 0.000000] x11: fffffffffffe3cb8 x10: fffffffffffe3c70 x9 : 00000000fff= ff137 [ 0.000000] x8 : ffff800009ff2f50 x7 : ffff80000a04af50 x6 : 00000000000= 00e94 [ 0.000000] x5 : 000000000000bff4 x4 : 00000000fffff137 x3 : 00000000fff= fefff [ 0.000000] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff8000096= 83a80 [ 0.000000] Kernel panic - not syncing: kernel stack overflow Thanks, Radhey