[smartmontools-support] nvme drive partial support

[Kwon-Young Choi]

> Please run:
> $ sudo nvme id-ctrl /dev/nvme0
> and report the value behind "elpe:" (Error Log Page Entries).

```
$ sudo nvme id-ctrl /dev/nvme0 | grep elpe
elpe      : 254
```

Well, it seems that `nvme` also reports that there is 254 log page entries.
It indeed seems that it is a firmware bug.
Can I do something about this ?

Kwon-Young Choi


On 13/11/2020 11:39, Christian Franke wrote:
> Kwon-Young Choi wrote:
>> So, your reasoning seems correct except for the log size that work and
>> not work.
>> For me, both 16320 and 16256 does not work, but after a binary search, I
>> found that I can read the log with a `log-len` of 6091 and it stops
>> working with a `log-len` of 6092.
> 
> Interesting ...
> This means that the drive supports at most 95 error log entries, but
> smartctl detected 254 (and accidentally read 255).
> 
> So this is either another smartctl bug or a drive firmware bug.
> 
> Please run:
> $ sudo nvme id-ctrl /dev/nvme0
> and report the value behind "elpe:" (Error Log Page Entries).
> 
> Thanks,
> Christian
>