From: Leon Romanovsky <leon@kernel.org>
To: "Håkon Bugge" <haakon.bugge@oracle.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>,
linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH for-next] Revert "IB/mlx5: Don't return errors from poll_cq"
Date: Thu, 3 Mar 2022 21:09:04 +0200 [thread overview]
Message-ID: <YiESUNnzBBN5fRCl@unreal> (raw)
In-Reply-To: <1646315417-25549-1-git-send-email-haakon.bugge@oracle.com>
On Thu, Mar 03, 2022 at 02:50:17PM +0100, Håkon Bugge wrote:
> This reverts commit dbdf7d4e7f911f79ceb08365a756bbf6eecac81c.
>
> Commit dbdf7d4e7f91 ("IB/mlx5: Don't return errors from poll_cq") is
> needed, when driver/fw communication gets wedged.
>
> With a large fleet of systems equipped with CX-5, we have observed the
> following mlx5 error message:
>
> wait_func:945:(pid xxx): ACCESS_REG(0x805) timeout. Will cause a
> leak of a command resource
It is arguably FW issue. Please contact your Nvidia support representative.
Thanks
next prev parent reply other threads:[~2022-03-03 19:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-03 13:50 [PATCH for-next] Revert "IB/mlx5: Don't return errors from poll_cq" Håkon Bugge
2022-03-03 19:09 ` Leon Romanovsky [this message]
2022-03-04 10:53 ` Haakon Bugge
2022-03-04 17:24 ` Leon Romanovsky
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