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Tue, 29 Oct 2024 05:47:51 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGullmtDNvLggb0posTyl72I5gQMZg4uFkt5/3Q4PT0/o7RmIsjEZWTmMYwwGz2rk0gHm+c5JJemVCxqvaEIAQ= X-Received: by 2002:a05:6870:6492:b0:287:34a7:af9a with SMTP id 586e51a60fabf-29051b42ca7mr10065696fac.12.1730206071455; Tue, 29 Oct 2024 05:47:51 -0700 (PDT) MIME-Version: 1.0 From: Jan Stancek Date: Tue, 29 Oct 2024 13:47:23 +0100 Message-ID: Subject: [bug] aarch64 host no longer boots after 767507654c22 ("arch_numa: switch over to numa_memblks") To: rppt@kernel.org, ziy@nvidia.com, linux-mm@kvack.org, Linux ARM Cc: Jonathan.Cameron@huawei.com, dan.j.williams@intel.com, David Hildenbrand X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Server: rspam03 X-Rspam-User: X-Rspamd-Queue-Id: BB6BE1C0013 X-Stat-Signature: nz4hx553uc97jbzzye53dzc1rd647rzy X-HE-Tag: 1730206068-504228 X-HE-Meta: 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 vP2qhF+V kpbd5tzeD2jKoK5sLFy2djgYjmdpw6XEuy0N5k+RfiPYSAO0AV3Gb35kpozRfX2b87Rby6vOZ+cMECMDRbtmAi+oR0iD3oR1CLEypMXR4q1rzhjfblKkvcOPH2uWII0hVQ+VRtOQyfnBM2O+542sriVfOGqT9JhHjJW05MlSwvN/1JHiFsKZphnz85GF90IWNI5OdsndB5sr2ndqmIOLdAw07cs6r8zeErtbUtIzX3EAI26v2xulg674VIj6yExKerILce/f67jphfXu2KqLJ3GZmRBLgkM5RQX5I1hETjCU+J9jubcynuddmp7mPVsjJLCxx X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi, I'm seeing a regression on Nvidia IGX system, which no longer boots. bisect points at commit 767507654c22 ("arch_numa: switch over to numa_memblks"). It hangs very early, with 4k or 64k pages, with no kernel messages printed: EFI stub: Booting Linux Kernel... EFI stub: Using DTB from configuration table EFI stub: Exiting boot services... Here's a log from successful boot with previous commit: https://people.redhat.com/jstancek/aarch64_numa_boot/console-log-good.txt and config: https://people.redhat.com/jstancek/aarch64_numa_boot/config # lscpu Architecture: aarch64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 12 On-line CPU(s) list: 0-11 Vendor ID: ARM BIOS Vendor ID: NVIDIA Model name: Cortex-A78AE BIOS Model name: Not Specified Not Specified CPU @ 0.0GHz BIOS CPU family: 257 Model: 1 Thread(s) per core: 1 Core(s) per cluster: 12 Socket(s): 1 Cluster(s): 1 Stepping: r0p1 CPU(s) scaling MHz: 100% CPU max MHz: 1971.2000 CPU min MHz: 115.2000 BogoMIPS: 62.50 Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp uscat ilrcpc flagm paca pacg Caches (sum of all): L1d: 768 KiB (12 instances) L1i: 768 KiB (12 instances) L2: 3 MiB (12 instances) L3: 6 MiB (3 instances) NUMA: NUMA node(s): 1 NUMA node0 CPU(s): 0-11 Vulnerabilities: Gather data sampling: Not affected Itlb multihit: Not affected L1tf: Not affected Mds: Not affected Meltdown: Not affected Mmio stale data: Not affected Reg file data sampling: Not affected Retbleed: Not affected Spec rstack overflow: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Spectre v1: Mitigation; __user pointer sanitization Spectre v2: Mitigation; CSV2, BHB Srbds: Not affected Tsx async abort: Not affected Regards, Jan