netdev - [PROBLEM] seltests: net/forwarding/sch

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Date: Thu, 20 Jul 2023 07:25:19 +0200
From: Mirsad Todorovac <mirsad.todorovac@....unizg.hr>
To: netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Shuah Khan <shuah@...nel.org>,
 linux-kselftest@...r.kernel.org, Ido Schimmel <idosch@...dia.com>
Subject: [PROBLEM] seltests: net/forwarding/sch_ets.sh [HANG]

Hi,

Using the same config for 6.5-rc2 on Ubuntu 22.04 LTS and 22.10, the execution
stop at the exact same line on both boxes (os I reckon it is more than an
accident):

# selftests: net/forwarding: sch_ets.sh
# TEST: ping vlan 10                                                  [ OK ]
# TEST: ping vlan 11                                                  [ OK ]
# TEST: ping vlan 12                                                  [ OK ]
# Running in priomap mode
# Testing ets bands 3 strict 3, streams 0 1
# TEST: band 0                                                        [ OK ]
# INFO: Expected ratio >95% Measured ratio 100.00
# TEST: band 1                                                        [ OK ]
# INFO: Expected ratio <5% Measured ratio 0
# Testing ets bands 3 strict 3, streams 1 2
# TEST: band 1                                                        [ OK ]
# INFO: Expected ratio >95% Measured ratio 100.00
# TEST: band 2                                                        [ OK ]
# INFO: Expected ratio <5% Measured ratio 0
# Testing ets bands 4 strict 1 quanta 5000 2500 1500, streams 0 1
# TEST: band 0                                                        [ OK ]
# INFO: Expected ratio >95% Measured ratio 100.00
# TEST: band 1                                                        [ OK ]
# INFO: Expected ratio <5% Measured ratio 0
# Testing ets bands 4 strict 1 quanta 5000 2500 1500, streams 1 2
# TEST: bands 1:2                                                     [ OK ]
# INFO: Expected ratio 2.00 Measured ratio 1.99
# Testing ets bands 3 quanta 3300 3300 3300, streams 0 1 2
# TEST: bands 0:1                                                     [ OK ]
# INFO: Expected ratio 1.00 Measured ratio .99
# TEST: bands 0:2                                                     [ OK ]
# INFO: Expected ratio 1.00 Measured ratio 1.00
# Testing ets bands 3 quanta 5000 3500 1500, streams 0 1 2
# TEST: bands 0:1                                                     [ OK ]
# INFO: Expected ratio 1.42 Measured ratio 1.42
# TEST: bands 0:2                                                     [ OK ]
# INFO: Expected ratio 3.33 Measured ratio 3.33
# Testing ets bands 3 quanta 5000 8000 1500, streams 0 1 2
# TEST: bands 0:1                                                     [ OK ]
# INFO: Expected ratio 1.60 Measured ratio 1.59
# TEST: bands 0:2                                                     [ OK ]
# INFO: Expected ratio 3.33 Measured ratio 3.33
# Testing ets bands 2 quanta 5000 2500, streams 0 1
# TEST: bands 0:1                                                     [ OK ]
# INFO: Expected ratio 2.00 Measured ratio 1.99
# Running in classifier mode
# Testing ets bands 3 strict 3, streams 0 1
# TEST: band 0                                                        [ OK ]
# INFO: Expected ratio >95% Measured ratio 100.00
# TEST: band 1                                                        [ OK ]
# INFO: Expected ratio <5% Measured ratio 0
# Testing ets bands 3 strict 3, streams 1 2
# TEST: band 1                                                        [ OK ]
# INFO: Expected ratio >95% Measured ratio 100.00
# TEST: band 2                                                        [ OK ]
# INFO: Expected ratio <5% Measured ratio 0
# Testing ets bands 4 strict 1 quanta 5000 2500 1500, streams 0 1

I tried to run 'set -x' enabled version standalone, but that one finished
correctly (?).

It could be something previous scripts left, but right now I don't have a clue.
I can attempt to rerun all tests with sch_ets.sh bash 'set -x' enabled later today.

Best regards,
Mirsad Todorovac