From: Leon Romanovsky <leon@kernel.org>
To: Eric Dumazet <edumazet@google.com>
Cc: David Ahern <dsahern@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Shachar Kagan <skagan@nvidia.com>,
netdev@vger.kernel.org, Bagas Sanjaya <bagasdotme@gmail.com>,
"Linux regression tracking (Thorsten Leemhuis)"
<regressions@leemhuis.info>, Neal Cardwell <ncardwell@google.com>
Subject: Re: [PATCH net-next] tcp: Revert no longer abort SYN_SENT when receiving some ICMP
Date: Tue, 9 Jan 2024 15:26:06 +0200 [thread overview]
Message-ID: <20240109132606.GB8475@unreal> (raw)
In-Reply-To: <CANn89iLNGrZo_z1L184F3WetrWV8bQwYrfyEDgn2-gtnPndDgA@mail.gmail.com>
On Mon, Jan 08, 2024 at 04:52:39PM +0100, Eric Dumazet wrote:
> On Tue, Jan 2, 2024 at 10:01 AM Leon Romanovsky <leon@kernel.org> wrote:
> >
> > From: Shachar Kagan <skagan@nvidia.com>
> >
> > This reverts commit 0a8de364ff7a14558e9676f424283148110384d6.
> >
> > Shachar reported that Vagrant (https://www.vagrantup.com/), which is
> > very popular tool to manage fleet of VMs stopped to work after commit
> > citied in Fixes line.
> >
> > The issue appears while using Vagrant to manage nested VMs.
> > The steps are:
> > * create vagrant file
> > * vagrant up
> > * vagrant halt (VM is created but shut down)
> > * vagrant up - fail
> >
> > Vagrant up stdout:
> > Bringing machine 'player1' up with 'libvirt' provider...
> > ==> player1: Creating shared folders metadata...
> > ==> player1: Starting domain.
> > ==> player1: Domain launching with graphics connection settings...
> > ==> player1: -- Graphics Port: 5900
> > ==> player1: -- Graphics IP: 127.0.0.1
> > ==> player1: -- Graphics Password: Not defined
> > ==> player1: -- Graphics Websocket: 5700
> > ==> player1: Waiting for domain to get an IP address...
> > ==> player1: Waiting for machine to boot. This may take a few minutes...
> > player1: SSH address: 192.168.123.61:22
> > player1: SSH username: vagrant
> > player1: SSH auth method: private key
> > ==> player1: Attempting graceful shutdown of VM...
> > ==> player1: Attempting graceful shutdown of VM...
> > ==> player1: Attempting graceful shutdown of VM...
> > player1: Guest communication could not be established! This is usually because
> > player1: SSH is not running, the authentication information was changed,
> > player1: or some other networking issue. Vagrant will force halt, if
> > player1: capable.
> > ==> player1: Attempting direct shutdown of domain...
> >
> > Fixes: 0a8de364ff7a ("tcp: no longer abort SYN_SENT when receiving some ICMP")
> > Closes: https://lore.kernel.org/all/MN2PR12MB44863139E562A59329E89DBEB982A@MN2PR12MB4486.namprd12.prod.outlook.com
> > Signed-off-by: Shachar Kagan <skagan@nvidia.com>
> > Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
> > ---
>
> While IPv6 code has an issue (not calling tcp_ld_RTO_revert() helper
> for TCP_SYN_SENT as intended,
> I could not find the root cause for your case.
>
> We will submit the patch again for 6.9, once we get to the root cause.
Feel free to send to Shachar with CC me and/or Gal any patches which you
would like to test in advance and we will be happy to do it.
>
> Reviewed-by: Eric Dumazet <edumazet@google.com>
Thanks
next prev parent reply other threads:[~2024-01-09 13:26 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-02 9:00 [PATCH net-next] tcp: Revert no longer abort SYN_SENT when receiving some ICMP Leon Romanovsky
2024-01-02 9:46 ` Eric Dumazet
2024-01-02 9:58 ` Leon Romanovsky
2024-01-02 10:03 ` Eric Dumazet
2024-01-02 10:11 ` Eric Dumazet
2024-01-02 11:41 ` Leon Romanovsky
2024-01-02 15:31 ` Eric Dumazet
2024-01-02 18:01 ` Leon Romanovsky
2024-01-02 18:33 ` Eric Dumazet
2024-01-02 19:13 ` Leon Romanovsky
2024-01-02 22:02 ` Jakub Kicinski
2024-01-03 6:00 ` Leon Romanovsky
2024-01-08 15:52 ` Eric Dumazet
2024-01-09 13:26 ` Leon Romanovsky [this message]
2024-01-09 3:20 ` patchwork-bot+netdevbpf
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