Comment 25 for bug 1699004

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Nils (maeher) wrote :

In that case it's enabled again:

$ dmesg | grep -i nvme
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-4.10.0-24-generic.efi.signed root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-4.10.0-24-generic.efi.signed root=UUID=365f1a9c-9598-4ad5-a387-d02f771767a1 ro quiet splash nvme_core.default_ps_max_latency_us=0 nvme_core.dyndbg=+p vt.handoff=7
[ 2.372993] nvme nvme0: pci function 0000:04:00.0
[ 2.587597] nvme0n1: p1 p2
[ 3.343336] EXT4-fs (nvme0n1p2): mounted filesystem with ordered data mode. Opts: (null)
[ 3.548268] EXT4-fs (nvme0n1p2): re-mounted. Opts: errors=remount-ro

sudo nvme get-feature -f 0x0c -H /dev/nvme0
get-feature:0xc (Autonomous Power State Transition), Current value:0x000001
 Autonomous Power State Transition Enable (APSTE): Enabled