From nobody Mon Sep 13 20:07:46 2021 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 C2C3E17C4DD9 for ; Mon, 13 Sep 2021 20:07:49 +0000 (UTC) (envelope-from mad@madpilot.net) Received: from mail.madpilot.net (vogon.madpilot.net [159.69.1.99]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4H7cwP4XTbz52Ym for ; Mon, 13 Sep 2021 20:07:49 +0000 (UTC) (envelope-from mad@madpilot.net) Received: from mail (mail [192.168.254.3]) by mail.madpilot.net (Postfix) with ESMTP id 4H7cwN5CHwz6dqg; Mon, 13 Sep 2021 22:07:48 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=madpilot.net; h= content-transfer-encoding:content-language:content-type :content-type:in-reply-to:date:date:message-id:from:from :references:subject:subject:received; s=bjowvop61wgh; t= 1631563666; x=1633378067; bh=yFDRuhFvpyerpCI7mnuLWY1biMLtRV5qWxO qCIV1tmM=; b=y5Mv+t0M6nu2vYdoHq9s/tvNSXPFIm+/JIaDqW25ZjYjyD2JWK5 R3VIbOQM8PeCA7XE51caMLK/To/b+Eti1Xba/I1d7xeiIkq4UWTbqCeP7xBUZKim G+sBRA/K7v77V7CqyWcOC6jQ9aUOdJ8aTFri1u6X4d135DGp7DMpp27wTdONNWgH E5Iwb54ym4SrLtkVaBb4gQbrh3Kp72ccBmrTIglrTXSl2nURnwZ2401/yxK7FCBv X7cMVZmsl46UklBJzRtRe4kYq5eTL+r4xFj6Lh6ATsaBK4BNbTfper5ZyqJOJpAR 4nTylnuWbDaUb0gEzMfUx+Rqs7V+Ix8JBIA== Received: from mail.madpilot.net ([192.168.254.3]) by mail (mail.madpilot.net [192.168.254.3]) (amavisd-new, port 10026) with ESMTP id 8NEjbOA5t4vc; Mon, 13 Sep 2021 22:07:46 +0200 (CEST) Subject: Re: recent head having significantly less "avail memory" To: Konstantin Belousov Cc: FreeBSD Current References: <4c990632-868a-2393-291b-fe7e2bc1974f@madpilot.net> Message-ID: <9e40483c-29e0-303a-eaa4-86d294403868@madpilot.net> Date: Mon, 13 Sep 2021 22:07:46 +0200 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 4H7cwP4XTbz52Ym X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Reply-To: mad@madpilot.net From: Guido Falsi via freebsd-current X-Original-From: Guido Falsi X-ThisMailContainsUnwantedMimeParts: N 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 On 13/09/21 19:08, Konstantin Belousov wrote: > On Mon, Sep 13, 2021 at 02:59:25PM +0200, Guido Falsi via freebsd-current wrote: >> Hi, >> >> I updated head recently and today I noticed a difference which looks wrong. >> >> At boodt the new head shows signifcantly less avail memory than before, >> around 3 GiB less. >> >> I moved from commit 71fbc6faed6 [1] where I got: >> >> Aug 28 22:03:03 marvin kernel: real memory = 17179869184 (16384 MB) >> Aug 28 22:03:03 marvin kernel: avail memory = 16590352384 (15821 MB) >> >> to commit 7955efd574b [2] where I get: >> >> Sep 13 10:44:40 marvin kernel: real memory = 17179869184 (16384 MB) >> Sep 13 10:44:40 marvin kernel: avail memory = 13298876416 (12682 MB) >> >> I'm seeing this on multiple machines. >> >> Unluckily bisecting and trying an older loader.efi in sseparate tests did >> not give me any more insight. >> >> The recent changes to efi loader, starting with commit 6032b6ba9596 [3] look >> like a possible trigger to this, but I have been unable to confirm it. >> >> Any suggesstions on how to proceed to debug thiss? ANy idea what a fix could >> be? > > Is this UEFI or bios boot? > Provide verbose dmesg for old and new boots on the same machine. > For UEFI boot, show output of 'sysctl machdep.efi_map', again for old > and new boots. > I shared the data you request here: https://www.madpilot.net/cloud/s/ENW5zF7jfmrmFeG -- Guido Falsi