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From: ming.lei@redhat.com (Ming Lei)
Subject: [nvme] Invalid SGL for payload:91648 nents:3
Date: Tue, 25 Jun 2019 17:45:35 +0800	[thread overview]
Message-ID: <20190625094532.GA11214@ming.t460p> (raw)
In-Reply-To: <CAOSXXT5PgPJqouD0G7qJjar5tmy-9z+wWdFMqpD2K1=5vQZ+HA@mail.gmail.com>

On Tue, Jun 25, 2019@06:38:58PM +0900, Keith Busch wrote:
> The first two sg elements should have been merged to one and would have
> avoided the error. The bug is kernel, nothing to do with the device.

The default max segment size is 64k, so the first two can't be merged.

And the 1st sg should have been dispatched as single request.

Thanks,
Ming

  parent reply	other threads:[~2019-06-25  9:45 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-25  7:51 [nvme] Invalid SGL for payload:91648 nents:3 Wolfgang Rohdewald
2019-06-25  9:17 ` Ming Lei
     [not found]   ` <CAOSXXT5PgPJqouD0G7qJjar5tmy-9z+wWdFMqpD2K1=5vQZ+HA@mail.gmail.com>
2019-06-25  9:45     ` Ming Lei [this message]
2019-06-25  9:50       ` Christoph Hellwig
2019-06-25 10:07         ` Ming Lei
2019-06-25 12:11         ` Wolfgang Rohdewald
2019-06-25 13:29           ` Ming Lei
2019-06-25 15:07             ` Wolfgang Rohdewald
2019-06-26  1:26               ` Ming Lei
2019-06-26 20:18                 ` Wolfgang Rohdewald
2019-07-04 12:09                 ` Wolfgang Rohdewald

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