Date: Sun, 13 Nov 2016 08:42:03 +0100 From: Gary Jennejohn <gljennjohn@gmail.com> To: John Baldwin <jhb@FreeBSD.org> Cc: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: Re: svn commit: r308565 - head/sys/kern Message-ID: <20161113084203.60ff80f4@ernst.home> In-Reply-To: <9d2a931d-cd92-4a82-0c47-a6737d6c6104@FreeBSD.org> References: <201611120023.uAC0N9fe018532@repo.freebsd.org> <20161112102833.5cc951b8@ernst.home> <9d2a931d-cd92-4a82-0c47-a6737d6c6104@FreeBSD.org>
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On Sat, 12 Nov 2016 08:40:28 -0800 John Baldwin <jhb@FreeBSD.org> wrote: > On 11/12/16 1:28 AM, Gary Jennejohn wrote: > > On Sat, 12 Nov 2016 00:23:09 +0000 (UTC) > > John Baldwin <jhb@FreeBSD.org> wrote: > > > >> Author: jhb > >> Date: Sat Nov 12 00:23:09 2016 > >> New Revision: 308565 > >> URL: https://svnweb.freebsd.org/changeset/base/308565 > >> > >> Log: > >> Allow scheduling during early boot. > >> > >> - Send IPI wakeups once SMP is started even if cold is true. > >> - Permit preemptions when cold is true. > >> > >> These changes are needed for EARLY_AP_STARTUP. > >> > >> MFC after: 2 weeks > >> Sponsored by: Netflix > >> > >> Modified: > >> head/sys/kern/sched_4bsd.c > >> > > > > Thank you, jhb! > > I believe the previous change fixed the original issue you > reported as I was finally able to reproduce a similar hang > with sched_bind when igb0 was pinning its interrupts. It was > quite a bit of a PITA to track down. :( If you get a chance, > can you please verify that 4BSD + EARLY_AP_STARTUP now works for > you? > I'm now happily running this combination of options. -- Gary Jennejohn
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