[Bug 211713] NVME controller failure: resetting

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211713

Terry Kennedy <terry-freebsd at glaver.org> changed:

           What    |Removed                     |Added
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                 CC|                            |terry-freebsd at glaver.org

--- Comment #5 from Terry Kennedy <terry-freebsd at glaver.org> ---
I have the same problem on 10-STABLE (r309209) with a 128GB SM961 and can also
reproduce it on CURRENT (20161117 snapshot). Even attempting to read the device
with dd causes the error:

(0:21) pool13:/sysprog/terry# dd if=/dev/nvme0ns1 of=/dev/null count=1
nvme0: resetting controller
nvme0: aborting outstanding i/o
nvme0: READ sqid:8 cid:127 nsid:1 lba:3 len:1
nvme0: ABORTED - BY REQUEST (00/07) sqid:8 cid:127 cdw0:0

nvmecontrol reports that the drive has never experienced an error, even after
the above:

(0:30) pool13:/sysprog/terry# nvmecontrol logpage -p 1 nvme0
Error Information Log
=====================
No error entries found

smartctl similarly reports no problems.

Booting Arch Linux 2016.11.01 lets me read and write to the drive with no
problems, so I don't think this is a hardware problem.

I have the module in a dedicated test system and can provide a https:// remote
console to the developer(s) if it would help to pin down the problem. Let me
know if you'd like any further information.

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