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From: Svante Signell To: Christopher Baines , Vincent Legoll Date: Tue, 09 Mar 2021 13:30:37 +0100 In-Reply-To: <87blbtb6v2.fsf@cbaines.net> References: <87mtvdb96n.fsf@cbaines.net> <87blbtb6v2.fsf@cbaines.net> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5-1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::134; envelope-from=svante.signell@gmail.com; helo=mail-lf1-x134.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, FREEMAIL_FROM=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: guix-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: svante.signell@gmail.com Cc: guix-devel Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1615295470; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:list-id:list-help: list-unsubscribe:list-subscribe:list-post:dkim-signature; bh=S/mOi2JHAAgS23GbisZvVfqwzAL2ON5+oKOZOHsvpjc=; b=cKEHxYXuvLhBLdGotMVPluwra6HPOhuRt9VwoP857cxq/Otv9iS2bRMxvtuKueB2NwHIKX 5QATVzSZdgf1eEcR/oxlnWsPfR98LHETEi2UfFfWkA2UY2Z49cT873w9NQw7XUvERQifcj DCf4icHp3DhOrztXEgwDk1NBB+wDvjbcVHFAUc0NF7IP+smfMkxdQf8V3oN4CvymNIgNTA upxgvC/S9sqF4/XObGLnsEVi1x9K/kaM5Qyl1bXhE0SzTIbWz35g0w4TAJPgZL7Z0LeDw2 FKU02h+ufjq6wa4fNMQSNLQBEnmGOHyASz96R4c6rf9WsKjCGLhB1QRevGpj7w== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1615295470; a=rsa-sha256; cv=none; b=tUXHYWPnOKVDC9U4cL1LUhpLuZ43L4sFJtlyhbpaIKIxjc4TMqbtJWyhL/rmm/qq2T8oTJ R/Y07g4lEao6SGNmswa6heZS4KAGAyI0idNrXXCMRwtuJKM4xHcVF3R6blEBcChb3PJw6M GS5HUBL3sRPat0KPazCbnkRQKOgju3YLWzdB0HdTrHIY8Fo0Sks8svAn/HDYkX6R+Vs475 y/hsquy2UY/nw0x0eysnb9nqMPHN0bJI0ga2IOaNlsyVi77xDLSVlYtNkumIZL4hClg8hr /iZBPN+Zg6Lz+KVA6SIC8oFk2cs4AuNIG6+EqtpHG1LoSLxbEc8Zst94KcM4ow== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=Zgitizqg; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Spam-Score: -2.08 Authentication-Results: aspmx1.migadu.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=Zgitizqg; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Migadu-Queue-Id: 49D4820785 X-Spam-Score: -2.08 X-Migadu-Scanner: scn0.migadu.com X-TUID: s1gJJugTV/V9 On Mon, 2021-03-08 at 22:47 +0000, Christopher Baines wrote: > Vincent Legoll writes: > > > often I'll be unable to SSH in > > > > Couldn't you get a console from a virtual serial port from the VM ? > > Maybe, I also want to look at getting the serial port output logged > to a file (if that's even possible). Hello, this runs a qemu image with serial output in a log file: Add to grub.cfg in the hurd image: + serial --speed=9600 --unit=0 --word=8 --parity=no --stop=1 + terminal_input serial + terminal_output serial - multiboot /boot/gnumach.gz root=device:hd0s1 -s --crash-debug + multiboot /boot/gnumach.gz root=device:hd0s1 console=com0 -s --crash- debug Running with graphic and serial console, log file in serial.log: qemu-system-x86_64 -chardev stdio,id=char0,logfile=serial.log,signal=off -serial chardev:char0 -- enable-kvm -m 2048 hurd-cross-serial.img Note: The mailer wraps the command lines. Thanks!