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Date: Mon, 3 Mar 2025 14:33:53 -0800
From: Jakub Kicinski <kuba@kernel.org>
To: Akihiko Odaki <akihiko.odaki@daynix.com>
Cc: Jonathan Corbet <corbet@lwn.net>, Willem de Bruijn
 <willemdebruijn.kernel@gmail.com>, Jason Wang <jasowang@redhat.com>, "David
 S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Paolo
 Abeni <pabeni@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Xuan Zhuo
 <xuanzhuo@linux.alibaba.com>, Shuah Khan <shuah@kernel.org>,
 linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org,
 netdev@vger.kernel.org, kvm@vger.kernel.org,
 virtualization@lists.linux-foundation.org, linux-kselftest@vger.kernel.org,
 Yuri Benditovich <yuri.benditovich@daynix.com>, Andrew Melnychenko
 <andrew@daynix.com>, Stephen Hemminger <stephen@networkplumber.org>,
 gur.stavi@huawei.com, Lei Yang <leiyang@redhat.com>
Subject: Re: [PATCH net-next v7 5/6] selftest: tun: Add tests for virtio-net
 hashing
Message-ID: <20250303143353.42219664@kernel.org>
In-Reply-To: <0ec77558-bdfb-4471-a44b-0a37a9422f72@daynix.com>
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On Mon, 3 Mar 2025 15:20:33 +0900 Akihiko Odaki wrote:
> > # 5.90 [+0.00] ok 14 tun_vnet_hash.unclassified
> > # 5.90 [+0.00] #  RUN           tun_vnet_hash.ipv4 ...
> > # 6.18 [+0.28] # tun.c:669:ipv4:Expected 0 (0) != tun_vnet_hash_check(self->source_fd, self->dest_fds, &packet, sizeof(packet), 0, VIRTIO_NET_HASH_REPORT_IPv4, 0x6e45d952) (0)
> > # 15.09 [+8.92] # ipv4: Test failed
> > # 15.10 [+0.00] #          FAIL  tun_vnet_hash.ipv4
> > # 15.10 [+0.00] not ok 15 tun_vnet_hash.ipv4
> > # 15.10 [+0.00] #  RUN           tun_vnet_hash.tcpv4 ...
> > # 15.36 [+0.26] # tun.c:689:tcpv4:Expected 0 (0) != tun_vnet_hash_check(self->source_fd, self->dest_fds, &packet, sizeof(packet), VIRTIO_NET_HDR_F_DATA_VALID, VIRTIO_NET_HASH_REPORT_TCPv4, 0xfb63539a) (0)
> > # 24.76 [+9.40] # tcpv4: Test failed
> > # 24.76 [+0.00] #          FAIL  tun_vnet_hash.tcpv4
> > # 24.76 [+0.00] not ok 16 tun_vnet_hash.tcpv4
> > # 24.77 [+0.00] #  RUN           tun_vnet_hash.udpv4 ...
> > # 25.05 [+0.28] # tun.c:710:udpv4:Expected 0 (0) != tun_vnet_hash_check(self->source_fd, self->dest_fds, &packet, sizeof(packet), VIRTIO_NET_HDR_F_DATA_VALID, VIRTIO_NET_HASH_REPORT_UDPv4, 0xfb63539a) (0)
> > # 32.11 [+7.06] # udpv4: Test failed
> > # 32.11 [+0.00] #          FAIL  tun_vnet_hash.udpv4
> > # 32.11 [+0.00] not ok 17 tun_vnet_hash.udpv4  
> 
> I cannot reproduce the failure. What commit did you apply this patch 
> series on? What architecture did the kernel run on?

x86 inside vng, see this for exact details:
https://github.com/linux-netdev/nipa/wiki/How-to-run-netdev-selftests-CI-style

The tests are run on top of net-next + net (the two networking trees
merged together).