From: Keith Busch <kbusch@kernel.org>
To: Bart Van Assche <bvanassche@acm.org>
Cc: "linux-nvme@lists.infradead.org" <linux-nvme@lists.infradead.org>
Subject: Re: NVMe suspend failure
Date: Sat, 3 Feb 2024 18:18:28 -0700 [thread overview]
Message-ID: <Zb7l5Lk814W4064a@kbusch-mbp.mynextlight.net> (raw)
In-Reply-To: <294cb317-22b1-4c03-9b12-b19c55ec3163@acm.org>
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?
next prev parent reply other threads:[~2024-02-04 1:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-04 1:01 NVMe suspend failure Bart Van Assche
2024-02-04 1:18 ` Keith Busch [this message]
2024-02-04 1:44 ` Bart Van Assche
2024-02-05 17:58 ` Keith Busch
2024-02-05 18:44 ` Bart Van Assche
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