NVMe suspend failure

Keith Busch kbusch at kernel.org
Sat Feb 3 17:18:28 PST 2024


On Sat, Feb 03, 2024 at 05:01:41PM -0800, Bart Van Assche wrote:
> Hi,
> 
> Even after having added nvme_core.default_ps_max_latency_us=0
> pcie_aspm=off to the kernel command line, the following still
> appears in dmesg -w output upon suspend of an x86_64 workstation:
> 
> [ 2451.640676] nvme nvme0: controller is down; will reset: CSTS=0xffffffff,
> PCI_STATUS=0x10
> [ 2451.640690] nvme nvme0: Does your device have a faulty power saving mode
> enabled?
> [ 2451.640694] nvme nvme0: Try "nvme_core.default_ps_max_latency_us=0
> pcie_aspm=off" and report a bug
> 
> Hence this email. From the nvme id-ctrl output:
> 
> mn        : Samsung SSD 970 EVO Plus 500GB
> fr        : 2B2QEXM7
> 
> Please let me know if you need more information.

And this is happening during a suspend? What kind of suspend? Like an
S3/S4, or idle suspend?



More information about the Linux-nvme mailing list