nvme timeout issues with hardware and bhyve vm's

hey there - i was curious if anyone has had issues with nvme devices 
recently.  i'm chasing down similar issues on my workstation which has a 
physical NVMe zroot, and on a bhyve VM which has a large pool exposed as 
a NVMe device (and is backed by a zvol).

on the most recent bhyve issue the VM reported this:

Oct 13 02:52:52 emby kernel: nvme1: RECOVERY_START 13737432416007567 vs 
13737432371683671
Oct 13 02:52:52 emby kernel: nvme1: RECOVERY_START 13737432718499597 vs 
13737432371683671
Oct 13 02:52:52 emby kernel: nvme1: timeout with nothing complete, resetting
Oct 13 02:52:52 emby kernel: nvme1: Resetting controller due to a timeout.
Oct 13 02:52:52 emby kernel: nvme1: RECOVERY_WAITING
Oct 13 02:52:52 emby kernel: nvme1: resetting controller
Oct 13 02:52:53 emby kernel: nvme1: waiting
Oct 13 02:53:23 emby syslogd: last message repeated 114 times
Oct 13 02:53:23 emby kernel: nvme1: controller ready did not become 1 
within 30500 ms
Oct 13 02:53:23 emby kernel: nvme1: failing outstanding i/o
Oct 13 02:53:23 emby kernel: nvme1: WRITE sqid:1 cid:119 nsid:1 
lba:4968850592 len:256
Oct 13 02:53:23 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:1 sqid:1 cid:119 cdw0:0
Oct 13 02:53:23 emby kernel: nvme1: failing outstanding i/o
Oct 13 02:53:23 emby kernel: nvme1: WRITE sqid:6 cid:0 nsid:1 
lba:5241952432 len:32
Oct 13 02:53:23 emby kernel: nvme1: WRITE sqid:3 cid:123 nsid:1 
lba:4968850336 len:256
Oct 13 02:53:23 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:1 sqid:3 cid:123 cdw0:0
Oct 13 02:53:23 emby kernel: nvme1: WRITE sqid:3 cid:0 nsid:1 
lba:5242495888 len:256
Oct 13 02:53:23 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:0 sqid:3 cid:0 cdw0:0
Oct 13 02:53:23 emby kernel: nvme1: READ sqid:3 cid:0 nsid:1 lba:528 len:16
Oct 13 02:53:23 emby kernel: nvme1: WRITE sqid:5 cid:0 nsid:1 
lba:4934226784 len:96
Oct 13 02:53:23 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:0 sqid:3 cid:0 cdw0:0
Oct 13 02:53:23 emby kernel: nvme1: READ sqid:3 cid:0 nsid:1 
lba:6442449936 len:16
Oct 13 02:53:25 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:0 sqid:3 cid:0 cdw0:0
Oct 13 02:53:25 emby kernel: nvme1: READ sqid:3 cid:0 nsid:1 
lba:6442450448 len:16
Oct 13 02:53:25 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:0 sqid:3 cid:0 cdw0:0
Oct 13 02:53:25 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:0 sqid:5 cid:0 cdw0:0
Oct 13 02:53:25 emby kernel: nvme1: ABORTED - BY REQUEST (00/07) crd:0 
m:0 dnr:0 sqid:6 cid:0 cdw0:0
Oct 13 02:53:25 emby kernel: nvd1: detached



I had similar issues on my workstation as well.  Scrubbing the NVMe 
device on my real-hardware workstation hasn't turned up any issues, but 
the system has locked up a handful of times.

Just curious if others have seen the same, or if someone could point me 
in the right direction...

thanks!
-pete

-- 
Pete Wright
pete@nomadlogic.org