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From: Keith Busch <>
To: Jeffrey Lien <>
Cc: linux-nvme <>
Subject: Re: Issue With NVME CLI list Command
Date: Fri, 11 Oct 2019 04:23:18 +0900
Message-ID: <> (raw)
In-Reply-To: <>

On Thu, Oct 10, 2019 at 07:11:10PM +0000, Jeffrey Lien wrote:
> Keith, 
> I'm getting a "Failed to scan namespaces" error message back from the
> "nvme list" command after updating my fork and picking up your changes
> from Aug 28th.  The cause of the failure is the following check in the
> function verify_legacy_ns (in nvme-topology.c):
> 	if (memcmp(, c->, sizeof( ||
> 	    memcmp(, c->, sizeof(
> 		return -ENODEV;
> The problem I see is that ctrl info is never filled in (at least in my
> case).  Both c-> and c-> are blank.  Looking back in the
> legacy_list function, I don't see how the ctrl info is ever filled in.
> Maybe it's just something strange in my case; I would have thought
> someone would have stumbled across already but maybe not.  If I remove
> the above check; everything seems to work so I think the code is
> basically working as expected.    Could you review the changes and
> either confirm what I'm seeing or let me know if I'm missing
> something.  

Hi Jeff,

What kernel version are you using?

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Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-10 19:11 Jeffrey Lien
2019-10-10 19:23 ` Keith Busch [this message]
2019-10-10 19:39   ` Keith Busch
2019-10-10 20:10     ` Jeffrey Lien
2019-10-10 19:42   ` Jeffrey Lien

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