Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 29 Jul 2016 10:10:16 +0200
From:      Borja Marcos <borjam@sarenet.es>
To:        Jim Harris <jim.harris@gmail.com>
Cc:        FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>
Subject:   Re: Intel NVMe troubles?
Message-ID:  <AAC8E93B-F263-4B7E-91DF-9EAC77FB2C3C@sarenet.es>
In-Reply-To: <CAJP=Hc-KdmScZtCRDcF=CTpNcMkn2brXiPx4XwJA0aTYgkxm%2Bg@mail.gmail.com>
References:  <CBC304D0-AA57-4EF5-A2DD-1888FB88DE12@sarenet.es> <CAJP=Hc-KdmScZtCRDcF=CTpNcMkn2brXiPx4XwJA0aTYgkxm%2Bg@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help

> On 28 Jul 2016, at 19:25, Jim Harris <jim.harris@gmail.com> wrote:
>=20
> Yes, you should worry.
>=20
> Normally we could use the dump_debug sysctls to help debug this - =
these
> sysctls will dump the NVMe I/O submission and completion queues.  But =
in
> this case the LBA data is in the payload, not the NVMe submission =
entries,
> so dump_debug will not help as much as dumping the NVMe DSM payload
> directly.
>=20
> Could you try the attached patch and send output after recreating your =
pool?

Just in case the evil anti-spam ate my answer, sent the results to your =
Gmail account.




Borja.




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?AAC8E93B-F263-4B7E-91DF-9EAC77FB2C3C>