From owner-freebsd-ppc@freebsd.org Mon Jul 15 00:46:47 2019 Return-Path: Delivered-To: freebsd-ppc@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D8C15AC8B0 for ; Mon, 15 Jul 2019 00:46:47 +0000 (UTC) (envelope-from chmeeedalf@gmail.com) Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 8DD686E4DA for ; Mon, 15 Jul 2019 00:46:46 +0000 (UTC) (envelope-from chmeeedalf@gmail.com) Received: by mail-lj1-x236.google.com with SMTP id i21so14389712ljj.3 for ; Sun, 14 Jul 2019 17:46:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alumni-cwru-edu.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=2e/3vfmxYQLQA6571OWbx7XPEv2XuLCsm9KKW++iiOI=; b=FgTr2z9QWRPI+A5N8/1WmoaXM7EkXvqra/SfqvQLE0qPqQdPNBK48VC/dRCwOvmfRP LYjWgTzXrd7DNI4a6liuywr+vGpDXWwR0W5Do9bxWOCcfRJpNqWOtromrHcVTbm7qBlF PAjSRKqvWTAW6+0wMw5t2iSDTPf13WC4xmKN0BAkST8MeuDSPz8UzuD8e6CLKS2V1FW5 ULArNJP6/gj8AibA4hQmY41M74LO4YEYv/xoV0b+hTndJ0wupSHNOS9YGisF2jFCAwM+ JhDwGYxo1nkM9SvFZ9gLXzG1jA7pYFxc3Z0RYnvLzoVDPxv3DPJQ3MLmV/m5SjFNA22p UrNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=2e/3vfmxYQLQA6571OWbx7XPEv2XuLCsm9KKW++iiOI=; b=A5KjulYU5bS4eOxa1r24YteCWfXKGwjC+SSXFJdJ26hDqlJh1Hi0DNV317+JJvIZa0 cPDwCOZV0v9hzMlAmjgTEd1o6KIEjJ/IzMpUxLqUY5kUQiLx4wuBwxbsgueQJp3ntvkx 2ZaGAWuLRwSx7pgG+itzLTkKNhwwcLJxPzOBgyqN5gxI/bgirfS9rHzeuCyC5URrTM1s KwpDN1z1phg5/ySh+AaYDBSLBGb0KBzE+shAN0E9n0TSy7K3zgwt26ksPmghra+A3iy4 naU1OLbbgZC5/RLlyRr/ODBYjhF9obW+ZWGujfOgoPZSo7PmxGnOQokUjQ+b7lN/frt9 r53g== X-Gm-Message-State: APjAAAVLEu7jJypccPdUo2CjHR56VD9GVv6a+880aFWy8L/wcSNNiuVw Pw8bRoUm686EDWWTRysKVwYFifZ9c/mkRcTH0AC2WA== X-Google-Smtp-Source: APXvYqzq9BxzRxDmhTVuyb+VxkFA7JBTmOMR6L4AdaA4j5SaTFpx1VP+ojBmvLSpC6XlD5YCslAMhx/xaeAG7qKQQ60= X-Received: by 2002:a2e:9657:: with SMTP id z23mr11956264ljh.116.1563151603589; Sun, 14 Jul 2019 17:46:43 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Justin Hibbits Date: Sun, 14 Jul 2019 19:46:31 -0500 Message-ID: Subject: Re: iichb0: I2C error To: Jason Bacon Cc: "freebsd-ppc@freebsd.org" Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 8DD686E4DA X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=alumni-cwru-edu.20150623.gappssmtp.com header.s=20150623 header.b=FgTr2z9Q; spf=pass (mx1.freebsd.org: domain of chmeeedalf@gmail.com designates 2a00:1450:4864:20::236 as permitted sender) smtp.mailfrom=chmeeedalf@gmail.com X-Spamd-Result: default: False [-5.01 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2a00:1450:4000::/36]; MX_GOOD(-0.01)[cached: alt3.gmail-smtp-in.l.google.com]; DKIM_TRACE(0.00)[alumni-cwru-edu.20150623.gappssmtp.com:+]; RCPT_COUNT_TWO(0.00)[2]; FORGED_SENDER(0.30)[jrh29@alumni.cwru.edu,chmeeedalf@gmail.com]; FREEMAIL_TO(0.00)[gmail.com]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2a00:1450::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[jrh29@alumni.cwru.edu,chmeeedalf@gmail.com]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; R_DKIM_ALLOW(-0.20)[alumni-cwru-edu.20150623.gappssmtp.com:s=20150623]; FROM_HAS_DN(0.00)[]; NEURAL_SPAM_SHORT(0.13)[0.129,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-ppc@freebsd.org]; DMARC_NA(0.00)[cwru.edu]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[6.3.2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.0.4.6.8.4.0.5.4.1.0.0.a.2.list.dnswl.org : 127.0.5.0]; IP_SCORE(-2.93)[ip: (-9.27), ipnet: 2a00:1450::/32(-2.90), asn: 15169(-2.44), country: US(-0.06)]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Jul 2019 00:46:47 -0000 On Sat, Jul 13, 2019 at 9:32 AM Jason Bacon wrote: > > > On my PowerMac G5, I consistently get this error after a cold boot: > > iichb0: I2C error > > After a minute or so, the fans ramp up to maximum. > > The error also consistently goes away after a warm reboot. Nothing more > in dmesg: > > FreeBSD powermacg5.acadix bacon ~ 211: dmesg|grep iichb0 > iichb0: mem 0xf8001000-0xf8001fff irq 42 on unin0 > iicbus0: on iichb0 > iichb0: I2C error > iichb0: mem 0xf8001000-0xf8001fff irq 42 on unin0 > iicbus0: on iichb0 > > No more runaway fans. > > Does this provide any clues about the cause? Hi Jason, How recently did this start occurring? Would you be able to bisect the builds from a known-good starting point? Thanks. - Justin