From owner-freebsd-arm@freebsd.org Mon Mar 25 20:00:34 2019 Return-Path: Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 291F1154C1DF for ; Mon, 25 Mar 2019 20:00:34 +0000 (UTC) (envelope-from ian@freebsd.org) Received: from outbound1.eu.mailhop.org (outbound1.eu.mailhop.org [52.28.251.132]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 5ED5C8551A for ; Mon, 25 Mar 2019 20:00:33 +0000 (UTC) (envelope-from ian@freebsd.org) ARC-Seal: i=1; a=rsa-sha256; t=1553544027; cv=none; d=outbound.mailhop.org; s=arc-outbound20181012; b=MzWwqbJG+hBSOnzsZ15brWFZ9uaVU+bi630aAIDgE/H+lxkdRfnENjygpQLJpCz8tQdlV+0aTKeG7 gO8xKg409jJqjcXMUwMmBOJrafS6dm10fNWB/mPc4mp4AOBr59uiSagGM/U+pYloLcAYZOaiO1Pv96 LGM5jkT9NRbjIQuJUb7Nc8zkSCE2WgqD0aR8ugb8nSTtYyuP/svWzSPHlYYRXwyryAIQ+Ts22oMSzg 9pOe4prgSchLQjoPCNv7ju9Y+AkSf7UDgB1HYzTUVcG1wi05GVG/FAkhzyQ1Uee/rl0WeDupQj3AFV GmFLDoDMqe4DBELkcekMAvTwf7RB0wg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=arc-outbound20181012; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:cc:to:from:subject:message-id:dkim-signature:from; bh=e9wJc93cgj/ZSSuQ/mVzbKsamafrBiMu+eZPppgR9Ag=; b=QQxBQBa0Km231aS7RD1NiKyjBWvoO8F/Y/l46oB3PPrBv9X3p6ublpy16b91P3Z8gVyrxPduVgbg5 l7j/rYUCAGXnMODiTSEL0qq9+7J4o797zjL2LLIx9wGCxpkC7tLbjVF5wmIR6AMq+30IYwDwHjKhyU yvMKg0enIa/KjrYY7o9Rycv7bU6W2PY8AEanmQJ7VeUJJ851bEvt/K5O4RsKOey8p3D7hCwP+Oppze Zc1kM4SBxrac93SmcsxwcJLVfaKhfLIpRxQAapoLkLPB3EhQ3gEAEvNwxWKp/mSH6SzYSUqTVe0EZl bd9AKftQSeEAbZ+fHfjrFU2UV8p6FVw== ARC-Authentication-Results: i=1; outbound3.eu.mailhop.org; spf=softfail smtp.mailfrom=freebsd.org smtp.remote-ip=67.177.211.60; dmarc=none header.from=freebsd.org; arc=none header.oldest-pass=0; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=outbound.mailhop.org; s=dkim-high; h=content-transfer-encoding:mime-version:content-type:references:in-reply-to: date:cc:to:from:subject:message-id:from; bh=e9wJc93cgj/ZSSuQ/mVzbKsamafrBiMu+eZPppgR9Ag=; b=IkfgO9Y/JjCdqm79SNc6m+iB/+35XIkL20vCvCQs2N20oUhX8tMj7F1DdvVBszkAn0x/AORzZ8O4t QF4EJ0/IeZ1ytb3zJi0XE+0S1Smg3AxzZuvPn/JA+zvzz1J0bUX4ytWsIR3nEvT2z905hU/UmaHmcj 9N0xpB9iUrbC1Fk5U1znd35YvFGjdza+AeculZdAOKUAzqJi20npcN71Xo0KHseZPlS2F9A7rSqi+o OeV8AAyKfazKIMz2BQeOcc4S6BQQrs3Nk8tt45QuBhvPfRdrTas+UJ/u2JcL7ZuTLwVK7qoCv3NSwu O4VyD/KTn48LXg3g8YLJezTP65K/trQ== X-MHO-RoutePath: aGlwcGll X-MHO-User: 9d4d38cf-4f38-11e9-908b-352056dbf2de X-Report-Abuse-To: https://support.duocircle.com/support/solutions/articles/5000540958-duocircle-standard-smtp-abuse-information X-Originating-IP: 67.177.211.60 X-Mail-Handler: DuoCircle Outbound SMTP Received: from ilsoft.org (unknown [67.177.211.60]) by outbound3.eu.mailhop.org (Halon) with ESMTPSA id 9d4d38cf-4f38-11e9-908b-352056dbf2de; Mon, 25 Mar 2019 20:00:23 +0000 (UTC) Received: from rev (rev [172.22.42.240]) by ilsoft.org (8.15.2/8.15.2) with ESMTP id x2PK0I9o084287; Mon, 25 Mar 2019 14:00:18 -0600 (MDT) (envelope-from ian@freebsd.org) Message-ID: <4f4e94ea0aeb325440960782aafe2dcb7a7b6ad3.camel@freebsd.org> Subject: Re: Options for FBSD support with LCD device - new project [[Maybe related: I2c issues on the Pi2]] From: Ian Lepore To: Karl Denninger , ticso@cicely.de Cc: "freebsd-arm@freebsd.org" Date: Mon, 25 Mar 2019 14:00:18 -0600 In-Reply-To: References: <004ddba628b94b80845d8e509ddcb648d21fd6c9.camel@freebsd.org> <20190319161423.GH57400@cicely7.cicely.de> <52df098fdc0caf5de1879c93239534fffbd49b56.camel@freebsd.org> <40f57de2-2b25-3981-a416-b9958cc97636@denninger.net> <669892ac3fc37b0843a156c0ab102316829103fd.camel@freebsd.org> <663f2566-b035-7011-70eb-4163b41e6e55@denninger.net> <20190325164827.GL57400@cicely7.cicely.de> <3db9cf8a-68ee-e339-67bf-760ee51464fd@denninger.net> <30c8e58c15aec809522b5aa563755d66fea0f4ac.camel@freebsd.org> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5 FreeBSD GNOME Team Mime-Version: 1.0 Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 5ED5C8551A X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[freebsd.org]; NEURAL_HAM_MEDIUM(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.981,0]; ASN(0.00)[asn:16509, ipnet:52.28.0.0/16, country:US]; NEURAL_HAM_LONG(-1.00)[-1.000,0] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Mar 2019 20:00:34 -0000 On Mon, 2019-03-25 at 14:25 -0500, Karl Denninger wrote: > On 3/25/2019 12:37, Ian Lepore wrote: > > > > > > > [...] > > > > Apply this patch... > > > > https://svnweb.freebsd.org/base/head/sys/kern/kern_intr.c?view=patch&r1=345475&r2=345474&pathrev=345475 > > > > -- Ian > > Here's where it's coming from: > > root@rpi2:~ # vmstat -i > interrupt total rate > local_intc0,1:-mer0 80944 1361 > local_intc0,3:-mer0 32210287 541604 > local_intc0,8:-ntc0 888341 14937 > local_intc0,9: pmu0 2 0 > intc0,1: mbox0 40 1 > intc0,2: vchiq0 2 0 > intc0,17:-x_dwcotg0 1242279 20888 > intc0,28: bcm_dma0 74686 1256 > intc0,61: iichb0 1 0 > intc0,65: uart0 1856 31 > intc0,70:-dhci_bcm0 8952 151 > cpu0:rendezvous 13 0 > cpu1:rendezvous 14 0 > cpu2:rendezvous 15 0 > cpu3:rendezvous 18 0 > cpu2:ast 1 0 > cpu0:preempt 3167 53 > cpu1:preempt 13062 220 > cpu2:preempt 11133 187 > cpu0:hardclock 2 0 > Total 34534815 580690 > > We really need to change the name of the local_intc controller to something shorter. I'm going to venture a guess that -mer0 is 'timer0'. That leads to the question of whether the driver is broken somehow, or whether some callout is being scheduled for a crazy-high rate. -- Ian