Re: [quicwg/base-drafts] Recovery: Execute the previously unarmed PTO to avoid a deadlock (#4830)

ianswett <notifications@github.com> Tue, 23 February 2021 16:40 UTC

Return-Path: <noreply@github.com>
X-Original-To: quic-issues@ietfa.amsl.com
Delivered-To: quic-issues@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3A23F3A0867 for <quic-issues@ietfa.amsl.com>; Tue, 23 Feb 2021 08:40:44 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.578
X-Spam-Level:
X-Spam-Status: No, score=-2.578 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.57, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_IMAGE_ONLY_16=1.092, HTML_MESSAGE=0.001, MAILING_LIST_MULTI=-1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=github.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id f0nklygaKqCe for <quic-issues@ietfa.amsl.com>; Tue, 23 Feb 2021 08:40:43 -0800 (PST)
Received: from smtp.github.com (out-25.smtp.github.com [192.30.252.208]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id DEE923A0D92 for <quic-issues@ietf.org>; Tue, 23 Feb 2021 08:39:08 -0800 (PST)
Received: from github.com (hubbernetes-node-3791541.ash1-iad.github.net [10.56.108.70]) by smtp.github.com (Postfix) with ESMTPA id 08F52840D76 for <quic-issues@ietf.org>; Tue, 23 Feb 2021 08:39:08 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=github.com; s=pf2014; t=1614098348; bh=VYDZcSEG5qbr4zSG4ICafZ5T8uEH2wZfv/UHPrbQwqk=; h=Date:From:Reply-To:To:Cc:In-Reply-To:References:Subject:List-ID: List-Archive:List-Post:List-Unsubscribe:From; b=Dri1JF0kXMjwgNJWtEXeuJVOGM813BrAIZTfO77Xq7DN+PO3C0OaeZI8/gMccCqcy s2ymxvTMin15K+JtK529scBDi93PNMWPcLFZJmBlCH2esmuR8Epb1Hs1dKWqATHMjX yTdNiwHpLepHW6rLFU5tsh8zsTFxrQreKt+TFPJc=
Date: Tue, 23 Feb 2021 08:39:08 -0800
From: ianswett <notifications@github.com>
Reply-To: quicwg/base-drafts <reply+AFTOJKZMLXBWYZDWMFFEWUV6IEIKZEVBNHHDBDOMD4@reply.github.com>
To: quicwg/base-drafts <base-drafts@noreply.github.com>
Cc: Subscribed <subscribed@noreply.github.com>
Message-ID: <quicwg/base-drafts/issues/4830/784335830@github.com>
In-Reply-To: <quicwg/base-drafts/issues/4830@github.com>
References: <quicwg/base-drafts/issues/4830@github.com>
Subject: Re: [quicwg/base-drafts] Recovery: Execute the previously unarmed PTO to avoid a deadlock (#4830)
Mime-Version: 1.0
Content-Type: multipart/alternative; boundary="--==_mimepart_60352fac627a_3621a54671f"; charset="UTF-8"
Content-Transfer-Encoding: 7bit
Precedence: list
X-GitHub-Sender: ianswett
X-GitHub-Recipient: quic-issues
X-GitHub-Reason: subscribed
X-Auto-Response-Suppress: All
X-GitHub-Recipient-Address: quic-issues@ietf.org
Archived-At: <https://mailarchive.ietf.org/arch/msg/quic-issues/VBVcaPjKoq-CVMEdf1MaUaGk5S8>
X-BeenThere: quic-issues@ietf.org
X-Mailman-Version: 2.1.29
List-Id: Notification list for GitHub issues related to the QUIC WG <quic-issues.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/quic-issues/>
List-Post: <mailto:quic-issues@ietf.org>
List-Help: <mailto:quic-issues-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/quic-issues>, <mailto:quic-issues-request@ietf.org?subject=subscribe>
X-List-Received-Date: Tue, 23 Feb 2021 16:40:44 -0000

The potential issue is that if the PTO is armed, but should have already expired, it's important to execute it prior to sending any pending data.

I'm working on a PR to make this clearer, and we can whether the extra clarification is necessary?

-- 
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/quicwg/base-drafts/issues/4830#issuecomment-784335830