From: Jason Gunthorpe <jgg@nvidia.com>
To: Haakon Bugge <haakon.bugge@oracle.com>
Cc: Doug Ledford <dledford@redhat.com>,
OFED mailing list <linux-rdma@vger.kernel.org>,
Leon Romanovsky <leon@kernel.org>,
Mark Haywood <mark.haywood@oracle.com>
Subject: Re: Double RESET -> INIT transitions
Date: Tue, 6 Apr 2021 12:28:49 -0300 [thread overview]
Message-ID: <20210406152849.GU7405@nvidia.com> (raw)
In-Reply-To: <F6F7D0C5-ECA6-43C5-91C5-818076C5619A@oracle.com>
On Tue, Apr 06, 2021 at 03:01:41PM +0000, Haakon Bugge wrote:
> Running rdma_server (RC transport) on an IB device that supports
> abi_ver 4, I see two ib_modify_qp() calls to the INIT state with
> mask 0x39 (STATE, ACCESS_FLAGS, PKEY_INDEX, and PORT) and of course,
> state == 1 (IB_QPS_INIT).
>
> Presumable, from ucma_init_conn_qp(), then again in ucma_modify_qp_rtr().
>
> Slip of the keyboard?
The control flow is complicated here and I worry parts of this are ABI
now. Would it be OK to return from rdma_create_qp_ex() with an
incompletely initialized QP? I don't know.
Jason
next prev parent reply other threads:[~2021-04-06 15:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-06 15:01 Double RESET -> INIT transitions Haakon Bugge
2021-04-06 15:28 ` Jason Gunthorpe [this message]
2021-04-06 15:45 ` Haakon Bugge
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