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EFI stub: Booting Linux Kernel... > EFI stub: Using DTB from configuration table > EFI stub: Exiting boot services... > > Is it possible to have earlycon output? It is hard to debug without any information except kernel fails to boot. Since the previous commit boots and I assume both kernels are compiled with the same gcc toolchain, this should not be caused by the binuils bug in 2.42[1]. Is your binutils version 2.42? Thanks. [1] https://sourceware.org/bugzilla/show_bug.cgi?id=31924 > 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 Best Regards, Yan, Zi