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[204.195.120.218]) by smtp.gmail.com with ESMTPSA id v6-20020aa78086000000b006589cf6d88bsm3589790pff.145.2023.07.03.16.59.48 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Jul 2023 16:59:48 -0700 (PDT) Date: Mon, 3 Jul 2023 16:59:47 -0700 From: Stephen Hemminger To: dev@dpdk.org Subject: Re: [PATCH 2/2] known_issues: drop note about UIO with really old kernels Message-ID: <20230703165947.607ef914@hermes.local> In-Reply-To: <20220217164518.8262-3-stephen@networkplumber.org> References: <20220217164518.8262-1-stephen@networkplumber.org> <20220217164518.8262-3-stephen@networkplumber.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On Thu, 17 Feb 2022 08:45:17 -0800 Stephen Hemminger wrote: > The DPDK has not supported 3.9 kernel for a long time so the > release note about UIO kernel bug in older versions is no > longer relevant. >=20 > Signed-off-by: Stephen Hemminger > --- > doc/guides/rel_notes/known_issues.rst | 21 --------------------- > 1 file changed, 21 deletions(-) >=20 > diff --git a/doc/guides/rel_notes/known_issues.rst b/doc/guides/rel_notes= /known_issues.rst > index 187d9c942e56..56fc38a0edd1 100644 > --- a/doc/guides/rel_notes/known_issues.rst > +++ b/doc/guides/rel_notes/known_issues.rst > @@ -415,27 +415,6 @@ Differences in how different Intel NICs handle maxim= um packet length for jumbo f > Poll Mode Driver (PMD). > =20 > =20 > -Binding PCI devices to igb_uio fails on Linux kernel 3.9 when more than = one device is used > -------------------------------------------------------------------------= ------------------ > - > -**Description**: > - A known bug in the UIO driver included in Linux kernel version 3.9 pr= events more than one PCI device to be > - bound to the igb_uio driver. > - > -**Implication**: > - The Poll Mode Driver (PMD) will crash on initialization. > - > -**Resolution/Workaround**: > - Use earlier or later kernel versions, or apply the following > - `patch `_. > - > -**Affected Environment/Platform**: > - Linux systems with kernel version 3.9 > - > -**Driver/Module**: > - igb_uio module > - > - > GCC might generate Intel=C2=AE AVX instructions for processors without I= ntel=C2=AE AVX support > ------------------------------------------------------------------------= ------------ > =20 Could someone review this patch? It been stuck for a long time.