@kaihengfeng I haven't gotten any issues so far with 'nvme_core.default_ps_max_latency_us=5500'. That was with around 12 hours of use yesterday (previously, the issue was occurring within 2 hours).
$ cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.10.0-19-generic.efi.signed root=UUID=7cf9f325-5277-4249-b399-4df583e6286b ro quiet splash nvme_core.default_ps_max_latency_us=5500 vt.handoff=7 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1678184 Title: APST quirk needed for Samsung 512GB NVMe drive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1678184/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
