From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2 autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 4337 invoked from network); 14 Nov 2020 18:13:07 -0000 Received: from tb-ob21.topicbox.com (173.228.157.67) by inbox.vuxu.org with ESMTPUTF8; 14 Nov 2020 18:13:07 -0000 Received: from tb-mx1.topicbox.com (tb-mx1.nyi.icgroup.com [10.90.30.61]) by tb-ob21.topicbox.com (Postfix) with ESMTP id D49E13AC9D for ; Sat, 14 Nov 2020 13:13:05 -0500 (EST) (envelope-from bounce.mM99276b0fa02ff05d3a4ace1f.r522be890-2105-11eb-b15e-8d699134e1fa@9fans.bounce.topicbox.com) Received: by tb-mx1.topicbox.com (Postfix, from userid 1132) id 962ED878071; Sat, 14 Nov 2020 13:13:05 -0500 (EST) ARC-Authentication-Results: i=2; topicbox.com; arc=pass; dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=cHHT0LDz header.a=rsa-sha256 header.s=20161025 x-bits=2048; dmarc=pass policy.published-domain-policy=none policy.published-subdomain-policy=quarantine policy.applied-disposition=none policy.evaluated-disposition=none (p=none,sp=quarantine,d=none,d.eval=none) policy.policy-from=p header.from=gmail.com; spf=pass smtp.mailfrom=23hiro@gmail.com smtp.helo=mail-ej1-f44.google.com; x-internal-arc=fail (as.1.topicbox.com=pass, ams.1.topicbox.com=fail (body has been altered)) (Message modified while forwarding at Topicbox) ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d= topicbox.com; h=mime-version:in-reply-to:references:from:date :message-id:subject:to:content-type:content-transfer-encoding :list-help:list-id:list-post:list-subscribe:reply-to :list-unsubscribe; s=sysmsg-1; t=1605377585; bh=CQGIT0ld44DwnDta xMZOYpeuZfoVuWIzt1BbtdvBH/c=; b=imyap8S+CgErD9X1pqIk6b5f8+x+k7Fz DoBj7uBgj9smYfPfBwP/2VJsQ8oiiBBRx7avaZZNhWhsFmtSK9rmNQdBxP/Bg4q6 aQuDXTU0ALDGz3KHu+LmmoZW75qdY8+W8IJNH/Qv3n9kOJBRzmcCXc8JJy7rU2VI KWkmPFcyFbo= ARC-Seal: i=2; a=rsa-sha256; cv=pass; d=topicbox.com; s=sysmsg-1; t= 1605377585; b=mBPajfrjoXKuMEqPvG8Y16OurJb71ICBYrVCSCOf2qoYsr+QAE QJhGWdUkqHlWl5r13KREgA3Xp5EDy3TNR41usfsz1lfuSjr7qFxbaYwSVi9FWI8D bbGkRZKg9pX46HxFWxLw8iVnRbm16ZgpGNkyJZpLsrW6kimTAz45RGhuM= Authentication-Results: topicbox.com; arc=pass; dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=cHHT0LDz header.a=rsa-sha256 header.s=20161025 x-bits=2048; dmarc=pass policy.published-domain-policy=none policy.published-subdomain-policy=quarantine policy.applied-disposition=none policy.evaluated-disposition=none (p=none,sp=quarantine,d=none,d.eval=none) policy.policy-from=p header.from=gmail.com; spf=pass smtp.mailfrom=23hiro@gmail.com smtp.helo=mail-ej1-f44.google.com; x-internal-arc=fail (as.1.topicbox.com=pass, ams.1.topicbox.com=fail (body has been altered)) (Message modified while forwarding at Topicbox) X-Received-Authentication-Results: tb-mx1.topicbox.com; arc=none (no signatures found); bimi=none (Domain is not BIMI enabled); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=cHHT0LDz header.a=rsa-sha256 header.s=20161025 x-bits=2048; dmarc=pass policy.published-domain-policy=none policy.published-subdomain-policy=quarantine policy.applied-disposition=none policy.evaluated-disposition=none (p=none,sp=quarantine,d=none,d.eval=none) policy.policy-from=p header.from=gmail.com; iprev=pass smtp.remote-ip=209.85.218.44 (mail-ej1-f44.google.com); spf=pass smtp.mailfrom=23hiro@gmail.com smtp.helo=mail-ej1-f44.google.com; x-aligned-from=pass (Address match); x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=tOmrRFEH; x-ptr=pass smtp.helo=mail-ej1-f44.google.com policy.ptr=mail-ej1-f44.google.com; x-return-mx=pass header.domain=gmail.com policy.is_org=yes (MX Records found: alt3.gmail-smtp-in.l.google.com,alt1.gmail-smtp-in.l.google.com,alt4.gmail-smtp-in.l.google.com,alt2.gmail-smtp-in.l.google.com,gmail-smtp-in.l.google.com); x-return-mx=pass smtp.domain=gmail.com policy.is_org=yes (MX Records found: alt3.gmail-smtp-in.l.google.com,alt1.gmail-smtp-in.l.google.com,alt4.gmail-smtp-in.l.google.com,alt2.gmail-smtp-in.l.google.com,gmail-smtp-in.l.google.com); x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES256-GCM-SHA384 smtp.bits=256/256; x-vs=clean score=0 state=0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=9fans.net; h= mime-version:in-reply-to:references:from:date:message-id:subject :to:content-type:content-transfer-encoding:list-help:list-id :list-post:list-subscribe:reply-to:list-unsubscribe; s=dkim-1; bh=CQGIT0ld44DwnDtaxMZOYpeuZfoVuWIzt1BbtdvBH/c=; b=gkg3wX2xwG5/ xaRTEGz7g94pzhiGAp9pUXEfJ4gezWr4eT5/gSpnPhZ+hZ7HYiwUht/r0iJGYy0c H6MdlAloU/p/UJklu64dXJ1NdXnePaXOER1WxUnswq/zSqFCCk/rejuZWOVolAj9 y6tcFhmW6+Ian/GYHdho6/AeLxLNlbE= Received: from tb-mx1.topicbox.com (localhost.local [127.0.0.1]) by tb-mx1.topicbox.com (Postfix) with ESMTP id 54C68877CDA for <9fans@9fans.net>; Sat, 14 Nov 2020 13:12:56 -0500 (EST) (envelope-from 23hiro@gmail.com) Received: from tb-mx1.topicbox.com (localhost [127.0.0.1]) by tb-mx1.topicbox.com (Authentication Milter) with ESMTP id 4A8B888FF78; Sat, 14 Nov 2020 13:12:56 -0500 ARC-Seal: i=1; a=rsa-sha256; cv=none; d=topicbox.com; s=arcseal; t= 1605377576; b=CXhmAvlo0pUncZAaGpUPPkpXPvowApeBfQoJvV/Z5icxwD7+RJ sPHY9JJ74gefT7fh94MB49f0XRwLhzh29c8bfBomwzKDU3JfLNL/8R+fN7os9y2Q hJ5fJcwrbPzDxIaejlo8z8rTj/DbxpSWcog4aaLT6MHdpNgTaxmAW0r7Y46BYNZ1 ggRnlWuXzTgzNKdeb1+aoc8hlRFxepIeFn1GLRFiYg99wxicRGrVyQhAI7ydUjLr WT0gywwLZXETUP2/GQ1lJkEmjbwtrGNH50E5N7OmyvirDRv62WgAxGASyHUREyXE t2OEiQFRRI+i5lRffuB/sOj5r+rMXks/8zUA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= topicbox.com; h=mime-version:in-reply-to:references:from:date :message-id:subject:to:content-type:content-transfer-encoding; s=arcseal; t=1605377576; bh=sN/u1fVR+IW//eDHaq/buBwLSN1jcxhUSPd UTJderdE=; b=NWuuRXXjyyIvM/2v3BTuCiPyeHtYWIC/Qd09qPYJCuHvY6LB6Ur z5u6DSukD+kN0k3H5HQo6fxduoN0ZexZEUX2AjagFyEh9U1J7b4P+qNuhyD8/Kxh Xnv57UZEHOs2/bTZe1aZCojC1ggt0JPpo8rV/ndpC2EIkSJQiKzRT3cKEwn9Fd/s RnO+bSwuMHbOb/u9bT8mVy0cIJ/KR6EDyCbuzgNN/OUdMtR3YfxjNxzhUsK6BDPO 9y05dg9upUYRegX/L1eopbmNd2C3x4uKQPCinKgr8m7gAunIDxkhyf2pC8PLk61/ zVpjIucSOFcf1qGLGZ5X/+YtljRiXzTj7Hw== ARC-Authentication-Results: i=1; tb-mx1.topicbox.com; arc=none (no signatures found); bimi=none (Domain is not BIMI enabled); dkim=pass (2048-bit rsa key sha256) header.d=gmail.com header.i=@gmail.com header.b=cHHT0LDz header.a=rsa-sha256 header.s=20161025 x-bits=2048; dmarc=pass policy.published-domain-policy=none policy.published-subdomain-policy=quarantine policy.applied-disposition=none policy.evaluated-disposition=none (p=none,sp=quarantine,d=none,d.eval=none) policy.policy-from=p header.from=gmail.com; iprev=pass smtp.remote-ip=209.85.218.44 (mail-ej1-f44.google.com); spf=pass smtp.mailfrom=23hiro@gmail.com smtp.helo=mail-ej1-f44.google.com; x-aligned-from=pass (Address match); x-google-dkim=pass (2048-bit rsa key) header.d=1e100.net header.i=@1e100.net header.b=tOmrRFEH; x-ptr=pass smtp.helo=mail-ej1-f44.google.com policy.ptr=mail-ej1-f44.google.com; x-return-mx=pass header.domain=gmail.com policy.is_org=yes (MX Records found: alt3.gmail-smtp-in.l.google.com,alt1.gmail-smtp-in.l.google.com,alt4.gmail-smtp-in.l.google.com,alt2.gmail-smtp-in.l.google.com,gmail-smtp-in.l.google.com); x-return-mx=pass smtp.domain=gmail.com policy.is_org=yes (MX Records found: alt3.gmail-smtp-in.l.google.com,alt1.gmail-smtp-in.l.google.com,alt4.gmail-smtp-in.l.google.com,alt2.gmail-smtp-in.l.google.com,gmail-smtp-in.l.google.com); x-tls=pass smtp.version=TLSv1.2 smtp.cipher=ECDHE-RSA-AES256-GCM-SHA384 smtp.bits=256/256; x-vs=clean score=0 state=0 X-ME-VSCause: gggruggvucftvghtrhhoucdtuddrgedujedruddvfedgiedtucdltddurdegudehrddttd dmucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdggtfgf nhhsuhgsshgtrhhisggvpdfurfetoffkrfgpnffqhgenuceurghilhhouhhtmecufedttd enucenucfjughrpegjfhfhfffkuffvtgfgsehtqhertddttdejnecuhfhrohhmpehhihhr ohcuoedvfehhihhrohesghhmrghilhdrtghomheqnecuggftrfgrthhtvghrnhepteeuvd efvddvhfekueekfffgffffheduuefhiefgteduieegheeuheelleeukeefnecuffhomhgr ihhnpehtohhpihgtsghogidrtghomhenucfkphepvddtledrkeehrddvudekrdeggeenuc evlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvtdelrdekhedrvddu kedrgeegpdhhvghlohepmhgrihhlqdgvjhduqdhfgeegrdhgohhoghhlvgdrtghomhdpmh grihhlfhhrohhmpeeovdefhhhirhhosehgmhgrihhlrdgtohhmqecuuffkkgfgpeegheef je X-ME-VSScore: 0 X-ME-VSCategory: clean Received-SPF: pass (gmail.com ... _spf.google.com: Sender is authorized to use '23hiro@gmail.com' in 'mfrom' identity (mechanism 'include:_netblocks.google.com' matched)) receiver=tb-mx1.topicbox.com; identity=mailfrom; envelope-from="23hiro@gmail.com"; helo=mail-ej1-f44.google.com; client-ip=209.85.218.44 Received: from mail-ej1-f44.google.com (mail-ej1-f44.google.com [209.85.218.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx1.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Sat, 14 Nov 2020 13:12:55 -0500 (EST) (envelope-from 23hiro@gmail.com) Received: by mail-ej1-f44.google.com with SMTP id oq3so18519340ejb.7 for <9fans@9fans.net>; Sat, 14 Nov 2020 10:12:55 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:content-transfer-encoding; bh=sN/u1fVR+IW//eDHaq/buBwLSN1jcxhUSPdUTJderdE=; b=tOmrRFEH/uA1p8dOIjhcpCh1LHNPqKYKxF7H8sRBuvnYVifHcVBTgHj9Ur7bRJ9laJ hoS8Hxt/tp1Y21rqqBnpwRuU245I7VUR214t2p9K3cPIFrABm4nXYL7FYabuIvplILv6 JvxucH0jwB4A3MYQFvFPssaHWVBqodbgmjQSIRAcMyVvhqPpCDw9yMTpYL7xE59IqLcS vIJ4G5cT/dnI6/8sjoMulol+KSqh3ook1CkaW+kuH0Y+PR+vVVtAgyTCSR94qMf0RWoz jNKrpmpNvbZQeFy1VLsvXCFbI9a2ubAJLQHamk/UodMBqxWgQCVRyDTc30IKZJZ+bk/v GqMw== X-Gm-Message-State: AOAM530Emp4W8+Z89fS2JPSjjW75vbk06+a+uZw98/vp74a7vAVk4Zwu HullL37skjmfWAP12CBucfdMz5gNf4teCLH2BR1vMLHBbCg= X-Google-Smtp-Source: ABdhPJyFd6qzuLPeosoRC1X1+b0LQnj06q69i+ZHJZgzHKfnvOe9662yTbf72mSVNWi2eRZoX+obukyKgM0EMMYUqPY= X-Received: by 2002:a17:906:3641:: with SMTP id r1mr7237023ejb.405.1605377574511; Sat, 14 Nov 2020 10:12:54 -0800 (PST) MIME-Version: 1.0 Received: by 2002:a17:906:c059:0:0:0:0 with HTTP; Sat, 14 Nov 2020 10:12:53 -0800 (PST) In-Reply-To: References: From: hiro <23hiro@gmail.com> Date: Sat, 14 Nov 2020 18:12:53 +0000 Message-ID: Subject: Re: [9fans] Raspberry Pi 4 stability dependent in RAM To: 9fans <9fans@9fans.net> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 081987ee-26a5-11eb-a823-8fc4cb817c10 Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZTkxMzc3MjIzNDUzYjhjMC1NOTkyNzZiMGZhMDJmZjA1ZDNhNGFj?= =?UTF-8?B?ZTFmPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M99276b0fa02ff05d3a4ace1f:1:CKp9FgBPYCgZ2HwB9GlU8QblovTTS4ymG-uOswKTOXU well they have FCC compliance, so i'd hope it's just internal interference due to lack of rf separation on the board. unless the fcc test is so busted that they were able to activate a less-problematic pixel clock and never tried the full possible range? :D since i don't have a github account i don't think they will listen to me about my issues with the device. but anyway they should hire an RF engineer and not me. if they tried the common combinations at all they should have noticed themselves, no ? i have been using 4k@60hz when i experienced my problem, bluetooth cannot be switched to 5ghz. i'm just happy it works at all, i was just gonna return it otherwise like i did with the earlier rpi version. don't have time to make bug-wishlists for future raspberry christmas trees (took them 8 years already to make the first rpi with working ethernet+usb). On 11/14/20, Bakul Shah wrote: > There were reports of 2560x1440 res generating RF noise in the 2.4GHz band > wifi channel 1. The proposed solution (by Eben Upton) was to use channel 4 > or higher or use 5GHz wifi band at this res. And supposedly there is a > firmware fix for this. No idea about the bluetooth issue. You should repo= rt > these issues either on their forum or one of their github repos. > >> On Nov 14, 2020, at 7:14 AM, hiro <23hiro@gmail.com> wrote: >> >> =EF=BB=BFwell, for me hdmi reliably stops working when i turn on the blu= etooth >> keyboard and versa. >> clearly RF interference was none of their concern when they made this >> chip. >> if your monitor suggests a different pixel clock you might get lucky >> and it's just good enough, but your signal quality is gonna suffer no >> matter what ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Te91377223453b8c0-M99276= b0fa02ff05d3a4ace1f Delivery options: https://9fans.topicbox.com/groups/9fans/subscription