On Mon, Sep 9, 2024 at 9:10 AM Luck, Tony <tony.luck@xxxxxxxxx> wrote: > > > I have discovered a 100% reliable soft lockup on boot on my laptop: > > Purism Librem 14, Intel Core i7-10710U, 48Gb RAM, Samsung Evo Plus 970 > > SSD, CoreBoot BIOS, grub bootloader, Arch Linux. > > > > The last working release is kernel 6.9.10, every release from 6.10 > > onwards reliably exhibit the issue, which, based on journalctl logs, > > seems to be triggered somewhere in systemd-udev: > > https://gitlab.archlinux.org/-/project/42594/uploads/04583baf22189a0a8bb2f8773096e013/lockup.log > > > > Bisect points to commit 5186ba33234c9a90833f7c93ce7de80e25fac6f5 > > Does that Intel Core i7-10710U even execute the RDT code? Most client parts > don't support RDT. You can check if yours does by looking for "rdt_a" in > /proc/cpuinfo. Thanks for the suggestion. You're right, I do not see `rdt_a` in `/proc/cpuinfo`
