From owner-freebsd-current@freebsd.org Mon May 11 23:21:57 2020 Return-Path: Delivered-To: freebsd-current@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 CA8572DA710 for ; Mon, 11 May 2020 23:21:57 +0000 (UTC) (envelope-from pete@nomadlogic.org) Received: from mail.nomadlogic.org (mail.nomadlogic.org [174.136.98.114]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.nomadlogic.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49LcQX4lM1z4NCb for ; Mon, 11 May 2020 23:21:56 +0000 (UTC) (envelope-from pete@nomadlogic.org) Received: from [192.168.1.159] (cpe-23-243-161-111.socal.res.rr.com [23.243.161.111]) by mail.nomadlogic.org (OpenSMTPD) with ESMTPSA id 41c9c03d (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Mon, 11 May 2020 23:21:54 +0000 (UTC) Subject: Re: lockups on lenovo p43s under current To: Yuri Pankov , FreeBSD Current References: <7cd71bcc-5d3c-594f-9c06-3aea48aedc63@fastmail.com> From: Pete Wright Message-ID: Date: Mon, 11 May 2020 16:21:54 -0700 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.8.0 MIME-Version: 1.0 In-Reply-To: <7cd71bcc-5d3c-594f-9c06-3aea48aedc63@fastmail.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Content-Language: en-US X-Rspamd-Queue-Id: 49LcQX4lM1z4NCb X-Spamd-Bar: ----- Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of pete@nomadlogic.org designates 174.136.98.114 as permitted sender) smtp.mailfrom=pete@nomadlogic.org X-Spamd-Result: default: False [-5.10 / 15.00]; ARC_NA(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RECEIVED_SPAMHAUS_PBL(0.00)[111.161.243.23.khpj7ygk5idzvmvt5x4ziurxhy.zen.dq.spamhaus.net : 127.0.0.10]; FROM_HAS_DN(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[nomadlogic.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; RCPT_COUNT_TWO(0.00)[2]; IP_SCORE(-2.80)[ip: (-9.28), ipnet: 174.136.96.0/20(-4.25), asn: 25795(-0.44), country: US(-0.05)]; FREEMAIL_TO(0.00)[fastmail.com]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:25795, ipnet:174.136.96.0/20, country:US]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 11 May 2020 23:21:57 -0000 On 5/11/20 3:28 PM, Yuri Pankov wrote: > Pete Wright wrote: >> hello, >> i have a lenovo thinkpad P43s that exhibits lockups under CURRENT but >> behaves fine when running STABLE.  i've tried to find a fully >> reproducible situation to get this system to lockup but haven't found >> anything yet.  i am starting to suspect that the changes implemented >> in this review may be the issue though: >> >> https://reviews.freebsd.org/D23728 >> >> my reasoning is that i've observed issues when: >> - removing AC power from the laptop, or inserting AC power >> - when the system display has gone to sleep >> - randomly hanging during boot with this as last line: >> battery0: battery enitialization start >> >> unfortunately while the above seem to be cases where this has >> happened i haven't been able to %100 reproduce yet. >> >> so my first question is - would it be possible to just revert the >> changes in that diff, or has too much time gone past to just back out >> that single change.  alternatively, is there any debugging >> information i can get on my end that might help figure out what the >> root cause is? > > Not really what you are asking, but it's possible to disable ACPI > subdevices, so you could check if disabling cmbat completely helps and > it's indeed the suspect: > > debug.acpi.disabled="cmbat" Thanks Yuri, So I was able to boot my system once via batter with this set, but unfortunately it crashed after I tried to suspend/resume.  Realizing that was a bit optimistic I attempted to reboot the system and wasn't able to get it to fully boot after several attempts. I believe what the next step at this point is checkout the code right before this commit and see if I can get it to successfully boot.  I'll report back if I find anything after that test. -pete -- Pete Wright pete@nomadlogic.org @nomadlogicLA