Date: Tue, 13 Dec 2016 13:05:35 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Slawa Olhovchenkov <slw@zxy.spb.ru> Cc: "A. Wilcox" <AWilcox@Wilcox-Tech.com>, freebsd-current@freebsd.org Subject: Re: Enabling NUMA in BIOS stop booting FreeBSD Message-ID: <20161213110535.GS54029@kib.kiev.ua> In-Reply-To: <20161212233714.GA90401@zxy.spb.ru> References: <20161212145418.GF54029@kib.kiev.ua> <20161212162152.GC90287@zxy.spb.ru> <20161212165457.GI54029@kib.kiev.ua> <20161212171634.GD90287@zxy.spb.ru> <20161212172418.GK54029@kib.kiev.ua> <20161212174311.GE90287@zxy.spb.ru> <20161212183647.GL54029@kib.kiev.ua> <20161212192619.GF90287@zxy.spb.ru> <584F22B1.9000903@Wilcox-Tech.com> <20161212233714.GA90401@zxy.spb.ru>
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On Tue, Dec 13, 2016 at 02:37:14AM +0300, Slawa Olhovchenkov wrote: > On Mon, Dec 12, 2016 at 04:20:33PM -0600, A. Wilcox wrote: > > > >>>> Try the debugging patch below, which unconditionally disables import of > > >>>> previous buffer. To test, you would need to boot, then frob options in > > >>>> BIOS, reboot, again frob etc. > > >>> > > >>> still need test patch? if yes, with BIOS options? > > >> Yes, please test the patch. I explained the procedure above. > > > > > > sorry, i don't know 'frob'. > > > what exactly options combination I need test and what about memory test? > > > > > > > > > The idea is that when rebooting, stale memory contents remain, but are > > corrupted due to interleave. > > > > "Frob" basically means "mess with". So apply patch, test kernel, > > reboot, change NUMA option, reboot again, see if it works, and so on. > > Basically repeat your test with the NUMA=on interleave=on, NUMA=off > > interleave=on, etc etc. > > NUMA=on interleave=off booted > NUMA=on interleave=on hang > > I think different combination whatever? Do you mean, that both patched kernel, and unpatched kernel with the memory test enabled, hang when NUMA and interleave options enabled ? Could you enable the options, power down the machine for 10-20 minutes, and try to boot ?
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