Validated on Noble aarch64, using the scripts and test case from description. Kernel logs are clear, and I was unable to reproduce the page allocation failure.
ubuntu@gunyolk:~$ sudo dmesg -c; ./repro.bash; sudo dmesg; uname -rv + ulimit -S -c unlimited + cc ./alloc_and_crash.c -o ./alloc_and_crash + numactl --membind 0 ./alloc_and_crash Total allocated memory: 236223201280 bytes CRASHING ./repro.bash: line 5: 2867 Segmentation fault (core dumped) numactl --membind 0 ./alloc_and_crash 6.8.0-56-generic #58-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb 14 15:19:53 UTC 2025 ** Tags removed: verification-needed-noble-linux ** Tags added: verification-done-noble-linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2097214 Title: MGLRU: page allocation failure on NUMA-enabled systems To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2097214/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
