On Mon, Jan 23, 2023 at 6:20 PM Genes Lists <lists@sapience.com> wrote:
1) Further thoughts - in my case with nvme module built in to kernel, parameters can be set using kernel boot command line.
2) Also this may be useful, I found this tidbit from 2017 in case your hardware has this:
ommit 07fbd32a6b215d8b2fc01ccc89622207b9b782fd Author: Martin K. Petersen <martin.petersen@oracle.com> Date: Fri Aug 25 19:14:50 2017 -0400
nvme: honor RTD3 Entry Latency for shutdowns
If an NVMe controller reports RTD3 Entry Latency larger than shutdown_timeout, up to a maximum of 60 seconds, use that value to set the shutdown timer. Otherwise fall back to the module parameter which defaults to 5 seconds.
There is also a long standing bugzilla thread at https://bugzilla.kernel.org/show_bug.cgi?id=195039 -- mike c