Two more recurrences on 2026-09-06 on 7.0.0-31-generic (MGLRU still disabled: /sys/kernel/mm/lru_gen/enabled -> 0x0000).
**#8 — 2026-09-06 08:53 JST** - Oops: page fault (not-present page) at lru_activate+0x91/0x3e0 - Comm: kworker/15:0 (Workqueue: events mmput_async_fn), UID 0 - Path: mmput_async_fn -> exit_mmap -> folio_mark_accessed -> lru_activate - Same RIP as my 2026-08-23 report (lru_activate) but triggered from async mm teardown, not a read syscall. **#9 — 2026-09-06 08:59 JST** (kdump reboot ~6 min after #8) - Oops: general protection fault at __page_cache_release.part.0+0xac/0x240 - Comm: V8Worker (PID 8551, UID 1000) — Cursor/Electron V8 worker - Path: do_madvise -> __page_cache_release -> folios_put_refs - Same class as 2026-08-30 (Comm: cursor, madvise path). Hardware unchanged: ASUS PRIME Z690M-PLUS D4, 64GB RAM, RTX 5060 Ti, nvidia OE. Not OOM. Full kdump dmesg archived locally; excerpt attached. Recurrence table update: | Date (JST) | Kernel | RIP | Comm | |-------------------|----------|-----------------------------|-----------------| | 2026-09-06 08:53 | 7.0.0-31 | lru_activate | kworker/15:0 | | 2026-09-06 08:59 | 7.0.0-31 | __page_cache_release | V8Worker | Still awaiting 7.0.0-32+ with upstream MGLRU fixes. ** Attachment added: "kdump dmesg excerpt 2026-09-06 (#8 and #9)" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2162722/+attachment/5997821/+files/launchpad_2162722_kdump_dmesg_20260906.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2162722 Title: general protection fault in lru_gen_del_folio during exit_mmap (ThreadPoolForeg) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2162722/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
