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Wed, 17 Mar 2021 09:27:55 -0700 (PDT) Received: from zen.linaroharston ([51.148.130.216]) by smtp.gmail.com with ESMTPSA id z9sm13833199edr.75.2021.03.17.09.27.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Mar 2021 09:27:53 -0700 (PDT) Received: from zen (localhost [127.0.0.1]) by zen.linaroharston (Postfix) with ESMTP id 2A6751FF7E; Wed, 17 Mar 2021 16:27:53 +0000 (GMT) References: <20210317110512.583747-1-thuth@redhat.com> <20210317110512.583747-3-thuth@redhat.com> <61029024-17cd-41df-a9d9-ec3323654d76@redhat.com> User-agent: mu4e 1.5.11; emacs 28.0.50 From: Alex =?utf-8?Q?Benn=C3=A9e?= To: =?utf-8?Q?Daniel_P=2E_Berrang=C3=A9?= Subject: Re: [PATCH 2/2] cirrus.yml: Update the FreeBSD task to version 12.2 Date: Wed, 17 Mar 2021 16:24:35 +0000 In-reply-to: Message-ID: <87blbhd9ti.fsf@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::630; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x630.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Thomas Huth , Ed Maste , Christian Schoenebeck , Richard Henderson , QEMU Developers , Roman Bolshakov , Stefan Weil , Paolo Bonzini , Li-Wen Hsu Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Daniel P. Berrang=C3=A9 writes: > On Wed, Mar 17, 2021 at 01:44:05PM +0100, Thomas Huth wrote: >> On 17/03/2021 12.16, Peter Maydell wrote: >> > On Wed, 17 Mar 2021 at 11:09, Thomas Huth wrote: >> > >=20 >> > > FreeBSD version 12.1 is out of service now, and the task in the >> > > Cirrus-CI is failing. Update to 12.2 to get it working again. >> > > Unfortunately, there is a bug in libtasn1 that triggers with the >> > > new version of Clang that is used there (see this thread for details: >> > > https://lists.gnu.org/archive/html/qemu-dove/2021-02/msg00739.html ), >> > > so we have to disable gnutls for now to make it work again. We can >> > > enable it later again once libtasn1 has been fixed in FreeBSD. >> > >=20 >> > > Signed-off-by: Thomas Huth >> >=20 >> > Is it feasible to make configure check for "is libtasn1 broken"? >> > I guess since it only shows up as "when you try to use it >> > it fails" that would be a runtime check rather than compile >> > time, which isn't really possible :-( >>=20 >> I don't really have a clue about this crypto stuff... Daniel, Stefan, Ro= man, >> Christian, Eric ... you debugged the original problem on macOS, do you t= hink >> it's possible to add a check for this libtasn1 problem to our "configure" >> (or meson.build file)? > > It is tricky because the flaw is not specific to the version of > tasn1, rather to the combination of tasn1 and the compiler used, > so there's no simple way to detect it statically from configure. > > If don't want the big hammer of disabling gnutls, perhaps adding > a flag to disable tasn1 would be simpler, as that would only > disable test suite, and no actual QEMU core functionality (which > is all working fine) I suspect we'll forget to remove this flag as well when the time comes. Without adding new things I think this patch would be fine with an additional comments: # --disable-gnutls until libtasn1 is fixed in FreeBSD (#ref?) > > Regards, > Daniel --=20 Alex Benn=C3=A9e