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In-Reply-To: <20260621213407.GC2297179@coredump.intra.peff.net> (Jeff King's message of "Sun, 21 Jun 2026 17:34:07 -0400") References: <20260621213407.GC2297179@coredump.intra.peff.net> Date: Sun, 21 Jun 2026 22:05:10 -0700 Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Precedence: bulk X-Mailing-List: git@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Jeff King writes: > If the problem is a racy deadlock, there is a reasonable chance that > some jobs may simply be lucky. Even if things like packing refs help, I > suspect the problem may still be lurking. Maybe I'm just a pessimist, > though. ;) I share the pessimism X-<. > We had some HTTP/2 stalls/deadlocks in the past, and they were dependent > on libcurl and apache (actually h2_mod) versions. IIRC some of the > non-TLS code paths for HTTP/2 were not well tested, which led to > 8f2146dbf1 (t5559: make SSL/TLS the default, 2023-02-23). Of course > after that commit those cleartext code paths should not be a problem, so > that is probably not exactly the issue now. > > But it might be worth checking the versions you're running locally > versus what's in the GitHub runner. True.