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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x434.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 11/16/23 09:52, Peter Maydell wrote: > On Tue, 7 Nov 2023 at 10:24, wrote: >> >> From: Marc-André Lureau >> >> If a display is backed by a specialized VC, allow to override the >> default "vc:80Cx24C". >> >> As suggested by Paolo, if the display doesn't implement a VC (get_vc() >> returns NULL), use a fallback that will use a muxed console on stdio. >> >> This changes the behaviour of "qemu -display none", to create a muxed >> serial/monitor by default (on TTY & not daemonized). > > This breaks existing command line setups -- if I say > "-display none" I just mean "don't do a display", not > "please also give me a monitor". We already have a > "do what I mean" option for "no graphics", which is > "-nographic". The advantage of -display none is that > it does only and exactly what it says it does. > > Setups using semihosting for output now get a spurious > load of output from the monitor on their terminal. > > I think we should revert this; I'll send a patch. Yes indeed. I think this may be why I've seen my xterm go into strange i/o modes during "make check-tcg" of the semihosting tests. r~