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Message-ID: <924f1062-ab59-9b88-3b43-c44e73a30387@alu.unizg.hr>
Date:   Fri, 6 Jan 2023 02:44:11 +0100
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To:     linux-kselftest@vger.kernel.org
Cc:     "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>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org
From:   Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
Subject: BUG: tools/testing/selftests/net/l2_tos_ttl_inherit.sh hangs when
 selftest restarted
Precedence: bulk

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Hi all,

I was wondering whether I am already obnoxious with three or four bug reports in
two days and you might find it easier to hire an assassin to silence me
than to fix them :)

But the saner approach prevailed and I thought of the advantage of pulling
through with 6.2-rc2 selftests on all my available hardware.

Please find included the lshw output, config and dmesg log.
The kernel is essentially vanilla mainline torvalds tree kernel with
CONFIG_KMEMLEAK=y and MG-LRU enabled (somewhat maybe brave, but I believe unrelated).

https://domac.alu.unizg.hr/~mtodorov/linux/selftests/net-namespace-20230106/config-6.2-rc2-20230104.txt
https://domac.alu.unizg.hr/~mtodorov/linux/selftests/net-namespace-20230106/dmesg-20220105.txt

[root@pc-mtodorov linux_torvalds]# tools/testing/selftests/net/l2_tos_ttl_inherit.sh
┌────────┬───────┬───────┬──────────────┬──────────────┬───────┬────────┐
├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤
│  Type  │ outer | inner │     tos      │      ttl     │  vlan │ result │
├────────┼───────┼───────┼──────────────┼──────────────┼───────┼────────┤
│    gre │     4 │     4 │ inherit 0xc4 │  inherit 116 │ false │Cannot create namespace file "/var/run/netns/testing": File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists
RTNETLINK answers: File exists

Of course, I should have tried to fix these myself, but I am not quite an expert
in namespaces.

BTW, Florian asked for a bash -x output, so I am providing one to save one roundtrip:

https://domac.alu.unizg.hr/~mtodorov/linux/selftests/net-namespace-20230106/bash.html

Kind regards,
Mirsad

--
Mirsad Goran Todorovac
Sistem inženjer
Grafički fakultet | Akademija likovnih umjetnosti
Sveučilište u Zagrebu
-- 
System engineer
Faculty of Graphic Arts | Academy of Fine Arts
University of Zagreb, Republic of Croatia
The European Union
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