netdev - Re: [PATCH net-next 0/8] tcp: receiver changes

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Message-ID: <20250715062829.0408857d@kernel.org>
Date: Tue, 15 Jul 2025 06:28:29 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Paolo Abeni <pabeni@...hat.com>, Neal Cardwell <ncardwell@...gle.com>
Cc: Matthieu Baerts <matttbe@...nel.org>, Eric Dumazet
 <edumazet@...gle.com>, Simon Horman <horms@...nel.org>, Kuniyuki Iwashima
 <kuniyu@...gle.com>, Willem de Bruijn <willemb@...gle.com>,
 netdev@...r.kernel.org, eric.dumazet@...il.com, "David S . Miller"
 <davem@...emloft.net>
Subject: Re: [PATCH net-next 0/8] tcp: receiver changes

On Tue, 15 Jul 2025 12:14:34 +0200 Paolo Abeni wrote:
> > Eventually, because the failure is due to a poll timed out, and other
> > unrelated tests have failed at that time too, could it be due to
> > overloaded test machines?  
> 
> Not for a 60s timeout, I guess :-P

I think the timeout may be packetdrill-version related.
I tried with the Fedora packetdrill and the test times out.
With packetdrill built from source on my laptop I get:

# (null):17: error handling packet: timing error: expected outbound packet at 0.074144 sec but happened at -1752585909.757339 sec; tolerance 0.004000 sec
# script packet:  0.074144 S. 0:0(0) ack 1 <mss 1460,nop,wscale 0>
# actual packet: -1752585909.757339 S.0 0:0(0) ack 1 <mss 1460,nop,wscale 0>

:o

But the CI just gets the failure Paolo quoted.

I'm leaning towards Eric using a different packetdrill, and/or this
being packetdrill / compiler related. On Fedora I'm hitting this build
failure which may explain why the distro hasn't updated recently:

cc -g -Wall -Werror   -c -o code.o code.c
In file included from code.h:29,
                 from code.c:26:
types.h:64:12: error: two or more data types in declaration specifiers
   64 | typedef u8 bool;
      |            ^~~~
types.h:64:1: error: useless type name in empty declaration [-Werror]
   64 | typedef u8 bool;
      | ^~~~~~~
types.h:66:9: error: cannot use keyword ‘false’ as enumeration constant
   66 |         false = 0,
      |         ^~~~~
types.h:66:9: note: ‘false’ is a keyword with ‘-std=c23’ onwards
cc1: all warnings being treated as errors
make: *** [<builtin>: code.o] Error 1

Neal?