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Date:   Wed, 7 Jun 2023 18:51:59 +0200
From:   Guillaume Nault <gnault@redhat.com>
To:     Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Cc:     netdev@vger.kernel.org, "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>, Shuah Khan <shuah@kernel.org>,
        linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org
Subject: Re: POSSIBLE BUG: selftests/net/fcnal-test.sh: [FAIL][FIX TESTED] in
 vrf "bind - ns-B IPv6 LLA" test
Message-ID: <ZIC1r6IHOM5nr9QD@debian>
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On Wed, Jun 07, 2023 at 12:04:52AM +0200, Mirsad Goran Todorovac wrote:
> I cannot tell if those are new for the architecture (Ubuntu 22.04 + AMD Ryzen)
> 
> However, Ubuntu's unsigned 6.3.1 generic mainline kernel is also affected.
> So, it might seem like an old problem.
> 
> (If you could isolate the exact tests, I could try a bisect.)
> 
> [...]
> TEST: ping local, VRF bind - ns-A IP                                          [ OK ]
> TEST: ping local, VRF bind - VRF IP                                           [FAIL]
> TEST: ping local, VRF bind - loopback                                         [ OK ]
> TEST: ping local, device bind - ns-A IP                                       [FAIL]
> TEST: ping local, device bind - VRF IP                                        [ OK ]
> [...]
> 
> SYSCTL: net.ipv4.raw_l3mdev_accept=1
> 
> [...]
> TEST: ping local, VRF bind - ns-A IP                                          [ OK ]
> TEST: ping local, VRF bind - VRF IP                                           [FAIL]
> TEST: ping local, VRF bind - loopback                                         [ OK ]
> TEST: ping local, device bind - ns-A IP                                       [FAIL]
> TEST: ping local, device bind - VRF IP                                        [ OK ]
> [...]
> 
> Yes, just tested, w commit 42510dffd0e2 these are still present
> in fcnal-test.sh output:
> 
> [...]
> TEST: ping local, VRF bind - ns-A IP                                          [ OK ]
> TEST: ping local, VRF bind - VRF IP                                           [FAIL]
> TEST: ping local, VRF bind - loopback                                         [ OK ]
> TEST: ping local, device bind - ns-A IP                                       [FAIL]
> TEST: ping local, device bind - VRF IP                                        [ OK ]
> [...]
> TEST: ping local, VRF bind - ns-A IP                                          [ OK ]
> TEST: ping local, VRF bind - VRF IP                                           [FAIL]
> TEST: ping local, VRF bind - loopback                                         [ OK ]
> TEST: ping local, device bind - ns-A IP                                       [FAIL]
> TEST: ping local, device bind - VRF IP                                        [ OK ]
> [...]

I have the same failures here. They don't seem to be recent.
I'll take a look.

> I have attached the config used and lshw.
> 
> Best regards,
> Mirsad