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[66.27.222.29]) by smtp.gmail.com with ESMTPSA id z68sm11686162pfb.198.2021.01.25.14.35.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 Jan 2021 14:35:13 -0800 (PST) Subject: Re: [PATCH v4 4/4] meson: Warn when TCI is selected but TCG backend is available To: Stefan Weil , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , =?UTF-8?Q?Daniel_P=2e_Berrang=c3=a9?= References: <20210125144530.2837481-1-philmd@redhat.com> <20210125144530.2837481-5-philmd@redhat.com> <20210125164746.GE3538803@redhat.com> <992cbe66-dfae-7950-0d92-516b2f0c9717@redhat.com> <9f22d4b0-34ca-6798-3661-36057609c152@weilnetz.de> <30cc0c14-fbec-bb21-2b6b-8e295029bc1f@linaro.org> <8f1f2dc6-5ad2-7d48-c2f9-9afa1e4d4065@weilnetz.de> From: Richard Henderson Message-ID: <81c810b4-1bd3-631d-4b5b-7e54a27a5b4c@linaro.org> Date: Mon, 25 Jan 2021 12:35:10 -1000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <8f1f2dc6-5ad2-7d48-c2f9-9afa1e4d4065@weilnetz.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2607:f8b0:4864:20::102e; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102e.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, NICE_REPLY_A=-0.001, 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: Paolo Bonzini , Thomas Huth , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 1/25/21 11:02 AM, Stefan Weil wrote: > Am 25.01.21 um 20:02 schrieb Richard Henderson: > >> On 1/25/21 8:58 AM, Stefan Weil wrote: >>> I have no evidence that TCI is less reliable than TCG, so I would not write >>> that. >> It can't pass make check-tcg. > > > Where does it fail? Maybe an expected timeout problem which can be solved by > increasing the timeouts for TCI? > > I have just run a local test of `make check-tcg` with native TCG and with TCI > and did not see a difference. But I noticed that in both cases many tests show > "skipped". You need to enable docker or podman for your development, so that you get all of the cross-compilers. Then: TEST fcvt on arm TODO ../qemu/tcg/tci.c:614: tcg_qemu_tb_exec() ../qemu/tcg/tci.c:614: tcg fatal error qemu: uncaught target signal 11 (Segmentation fault) - core dumped TEST float_convs on m68k TODO ../qemu/tcg/tci.c:614: tcg_qemu_tb_exec() ../qemu/tcg/tci.c:614: tcg fatal error qemu: uncaught target signal 11 (Segmentation fault) - core dumped which is of course one of the TODO assertions. It's positively criminal those still exist in the code. r~