Date: Mon, 13 Sep 2021 22:07:46 +0200 From: Guido Falsi via freebsd-current <freebsd-current@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: recent head having significantly less "avail memory" Message-ID: <9e40483c-29e0-303a-eaa4-86d294403868@madpilot.net> In-Reply-To: <YT%2BFiWtUKZuZIbIb@kib.kiev.ua> References: <4c990632-868a-2393-291b-fe7e2bc1974f@madpilot.net> <YT%2BFiWtUKZuZIbIb@kib.kiev.ua>
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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 <mad@madpilot.net>
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