Re: recent head having significantly less "avail memory"
Date: Mon, 13 Sep 2021 20:07:46 UTC
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>