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[34.48.67.23]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6c53474d732sm21622756d6.91.2024.09.09.08.21.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 09 Sep 2024 08:21:34 -0700 (PDT) Date: Mon, 09 Sep 2024 11:21:34 -0400 From: Willem de Bruijn To: Mark Brown , Szabolcs Nagy Cc: Willem de Bruijn , Szabolcs Nagy , netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, edumazet@google.com, pabeni@redhat.com, mst@redhat.com, jasowang@redhat.com, arefev@swemel.ru, alexander.duyck@gmail.com, Willem de Bruijn , stable@vger.kernel.org, Jakub Sitnicki , Felix Fietkau , Yury Khrustalev , nd@arm.com Message-ID: <66df127ea688d_38b8b2942f@willemb.c.googlers.com.notmuch> In-Reply-To: <0b14a8a8-4d98-46a3-9441-254345faa5df@sirena.org.uk> References: <20240729201108.1615114-1-willemdebruijn.kernel@gmail.com> <66db2542cfeaa_29a385294b9@willemb.c.googlers.com.notmuch> <66de0487cfa91_30614529470@willemb.c.googlers.com.notmuch> <20240909094527.GA3048202@port70.net> <0b14a8a8-4d98-46a3-9441-254345faa5df@sirena.org.uk> Subject: Re: [PATCH net v2] net: drop bad gso csum_start and offset in virtio_net_hdr Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Mark Brown wrote: > On Mon, Sep 09, 2024 at 11:45:27AM +0200, Szabolcs Nagy wrote: > > > fvp is closed source but has freely available binaries > > for x86_64 glibc based linux systems (behind registration > > and license agreements) so in principle the issue can be > > reproduced outside of arm but using fvp is not obvious. > > > hopefully somebody at arm can pick it up or at least > > report this thread to the fvp team internally. > > FWIW there's a tool called shrinkwrap which makes it quite a lot easier > to get going: > > https://gitlab.arm.com/tooling/shrinkwrap > > though since the models are very flexibile valid configurations that > people see issues with aren't always covered by shrinkwrap. Thanks both. >From what I gather this affects any device passing packets with GRO, so should not be limited to fvp even.