Another update: after running well for a few days, I have now encountered this bug (first time for me). After the bug hit, the NVMe drive disappeared, and only a hard reset solved the problem (I lost some work...).
May 13 10:42:59 Trouble kernel: [23310.930585] nvme 0000:04:00.0: controller is down; will reset: CSTS=0xffffffff, PCI_STATUS=0xffff May 13 10:42:59 Trouble kernel: [23310.944569] nvme 0000:04:00.0: enabling device (0000 -> 0002) May 13 10:42:59 Trouble kernel: [23310.944626] nvme nvme0: Removing after probe failure status: -19 May 13 10:42:59 Trouble kernel: [23310.944634] nvme0n1: detected capacity change from 512110190592 to 0 May 13 10:42:59 Trouble kernel: [23310.944918] blk_update_request: I/O error, dev nvme0n1, sector 0 -- 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
