From nobody Sun Jan 12 20:04:24 2025 X-Original-To: freebsd-current@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4YWRDp4Ldcz5jjql for ; Sun, 12 Jan 2025 20:04:26 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Received: from smtp.freebsd.org (smtp.freebsd.org [IPv6:2610:1c1:1:606c::24b:4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "smtp.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4YWRDp2l0xz4Rll for ; Sun, 12 Jan 2025 20:04:26 +0000 (UTC) (envelope-from kevans@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736712266; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lmPRCPLKurm77rTpKC1k+LdL3fc5iRx8fWngN2OEoAE=; b=ywJnfuYr72hAKz8jj0szzgQhbFTec55PwX/Tx3+qBadhdTpn3Vi12JULzO7qTKNNjNjBFY Lb/83u9pDZctvGwQzg6rd1kRZZ7TmMYxxw2HeIOkWIUBIVMpd/vwv10MJ8OYFCWeGzU5QR A3f6D/Yuc+6fSvXOzkZ9o8/Pbxy1va5Lu5RqmikcV9tvkbZU9Iepg8Ox40Wr9ZAXQ/DMDe RsgiTkZRD7NWMU6+Ae5+Ad/GfukEvVeOc+Vla+tE1RhMqlNem8SHsxpTj9zWJxZMvoWbdM EmoHyfSf1VKVTAV0r92q8QEzaINl3hSWD8jgoJjSJOfEQYPBrhr16dPpQU0shA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1736712266; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lmPRCPLKurm77rTpKC1k+LdL3fc5iRx8fWngN2OEoAE=; b=D3L8auL+u9r+dovHM6Y2b2NtuB7M/Gz33m39ytKhwGSGBy8PCxQYwiaS2yhN9UC3aVsRaJ 7VepTXE+dqZ0TB/rbPwJhzcYZ5sCal+C6TOOoMGM9gOVw/htru+S1QB4eVY+f6M3f/AWYB V+dS9mCscYj33EvQmWXMuLrJbVmu9924B8vO1xUxCx4DeDpGpqnBMoK8OOQ40rGFQTrokJ RREHWNsdh+V1lAsgxHoSNDGI1nI/QPGKL2BxggpEjmi+a4dv0HxCoNHiR59m9Sd1XLl4Wv V+MU728Fn+P5AgSWyzndWVM7DGShQtEvX+xMhYwPg6ps0m0j81iOPUOcWyYdxQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1736712266; a=rsa-sha256; cv=none; b=AYwNFXoIYkv7FyxQa0o0Zb5/t2GxKj0Ci2Fq7nrkmSjA5v1k4ImGnt1hH/rn6tUtm31G5W 7Of09Mq1p383zkKCRwhubLpRt1OSj9ABiKaCD53ZNzLY7o8/A5yj8+dXUxf6HOX+9NLzDp QoJ/uGN4Ds3aQSBMGTqiMpwzhuMjnV3by6rKjDi5bgpPKNkFqx3E6ePng0AmmhDeCRvyrx ag9/sgZf7obZMu+WH4g2I19lC+HbiIFGlk5f/ootvD5qzS/03Xlzmtp99MfnsMfqzPvwtP q/9FCAjFMEndXTsVfpmLhhbG7lzvZBun32IZljBpdiEm8HUQ1Fze3vqnO6u+iQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none Received: from [10.9.4.95] (unknown [209.182.120.176]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) (Authenticated sender: kevans/mail) by smtp.freebsd.org (Postfix) with ESMTPSA id 4YWRDp0sKGz136B for ; Sun, 12 Jan 2025 20:04:26 +0000 (UTC) (envelope-from kevans@FreeBSD.org) Message-ID: <5e6620f9-ac6c-4a2d-8b9e-2cc1cafc17a4@FreeBSD.org> Date: Sun, 12 Jan 2025 14:04:24 -0600 List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Bug 273566] stray characters contaminate serial console To: freebsd-current@freebsd.org References: Content-Language: en-US From: Kyle Evans In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/12/25 11:25, bob prohaska wrote: > From: bob prohaska > To: freebsd-kernel@freebsd.org > Subject: Re: [Bug 273566] stray characters contaminate serial console > > On Sun, Jan 12, 2025 at 05:02:15AM +0000, bugzilla-noreply@freebsd.org wrote: >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=273566 >> >> --- Comment #15 from Sulev-Madis Silber --- >> you currently have more hw than i do, it's all connected up too. can you test >> it out more maybe? debugging kernels, etc. i should have multi arch usb/serial >> switched remote lab on my own but i don't somehow eh, despite using fbsd since > > Just for fun I installed a GENERIC-KASAN kernel on a Pi4 running -current, > but far as I can tell the problem doesn't exist on aarch64 or I don't know > how to see it. The Pi4 is providing terminal service to a Pi2 running armv7, > which since the KASAN kernel went on the Pi4 hasn't suffered a boot > stoppage. Neither have I seen any console messages on the Pi4 suggesting > something amiss. I'm guessing kasan simply generates warnings, but if so > I've not recognized any. I'll keep watching, it would really help to know > what sort of behavior I'm looking for. > > I tried to build a kasan kernel on a pi2 running armv7 but buildworld > stopped with an unrecognized symbol. It's now building world/kernel with > GENERIC as a sanity check, but the kasan man page suggests armv7 is > unsupported. > > If in fact armv7 does support kasan then I'll keep trying. Unfortunately > I have only one kasan-supporting host presently but have couple spare > Pi2 v1.1 boxes that can run armv7 if it's relevant. > arm64 and amd64 only today