Date: Sat, 7 Sep 2019 19:17:49 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Cy Schubert <Cy.Schubert@cschubert.com> Cc: Harlan Stenn <stenn@nwtime.org>, Vladimir Zakharov <zakharov.vv@gmail.com>, freebsd-current@freebsd.org Subject: Re: ntpd segfaults on start Message-ID: <20190907161749.GJ2559@kib.kiev.ua> In-Reply-To: <201909071545.x87FjLS6004448@slippy.cwsent.com> References: <201909051307.x85D7MGs034053@slippy.cwsent.com> <20190905142817.GB2559@kib.kiev.ua> <201909060355.x863tRhP089169@slippy.cwsent.com> <201909060639.x866dJ7f090176@slippy.cwsent.com> <201909062356.x86NuKdk003780@slippy.cwsent.com> <156d1e7c-0dbb-8707-90b3-13ae97c87449@nwtime.org> <20190907075619.GG2559@kib.kiev.ua> <201909071309.x87D9GxZ089964@slippy.cwsent.com> <20190907153226.GI2559@kib.kiev.ua> <201909071545.x87FjLS6004448@slippy.cwsent.com>
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On Sat, Sep 07, 2019 at 08:45:21AM -0700, Cy Schubert wrote: > I've been able to set the memlock rlimit as low as 20 MB. The issue is > letting it default to 0 which allows ntp to mlockall() anything it wants. > ntpd on my sandbox is currently using 18 MB. Default stack size on amd64 is 512M, and default stack gap percentage is 3%. This means that the gap can be as large as ~17MB. If 3MB is enough for the stack of the main thread of ntpd, then fine.
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