Date: Sat, 20 Oct 2018 22:04:36 -0700 From: Mark Millard <marklmi@yahoo.com> To: Warner Losh <imp@bsdimp.com>, FreeBSD Current <freebsd-current@freebsd.org>, freebsd-stable@freebsd.org Subject: Re: head -r339076's boot loader fails to boot threadripper 1950X system (BTX halted); an earlier version works [ -r336532 broke it ] Message-ID: <9D2A6528-F888-4833-A52B-8F9B4D66592C@yahoo.com> In-Reply-To: <2A425DE4-2B5B-474D-8B95-81890DE4D8A1@yahoo.com> References: <D99F88D8-91CF-4BAD-A7F1-3D93D947BD46@yahoo.com> <2A425DE4-2B5B-474D-8B95-81890DE4D8A1@yahoo.com>
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[I found what change lead to the 1950X boot crashing with BTX halted.] On 2018-Oct-20, at 12:44 PM, Mark Millard <marklmi at yahoo.com> wrote: > [Adding some vintage information for a loader > that allowed a native boot.] > > On 2018-Oct-20, at 4:00 AM, Mark Millard <marklmi at yahoo.com> wrote: > >> I attempted to jump from head -r334014 to -r339076 >> on a threadripper 1950X board and the native >> FreeBSD boot failed very early. (Hyper-V use of >> the same media did not have this issue.) >> >> But copying over an older /boot/loader from another >> storage device with a FreeBSD head version that has >> not been updated yet got past the problem being >> reported here. (For other reasons, the kernel has >> been moved back to -r338804 --and with that, >> and the older /boot/loader, the 1950X native-boots >> FreeBSD all the way just fine.) > > I found one /boot/loader.old that was dated > in the update'd file system as 2018-May 20, > instead of 2018-Apr-03 from the older file > system. May 20 would apparently mean a little > below -r334014 . It native-booted okay, as did > the April one. > > [I do not know how to inspect a /boot/loader* > to find out what -r?????? it is from.] > > Unfortunately, I had done more than one -r339076 > install from -r334014 before rebooting and > no -r334014 loaders were still present: > the other *.old files from a few minutes before > the ones I had the boot problem with. > > I might be able to extract loaders from various: > > https://artifact.ci.freebsd.org/snapshot/head/r*/amd64/amd64/base.txz > > materials and try substituting them in order to > narrow the range for works -> fails. If I can, > this likely would take a fair amount of time in > my context. > > Other notes: > > It turns out that only Hyper-V based use needed > a -r334804 kernel: Native booting with the older > loaders and newer kernels works fine. > > Windows 10 Pro 64bit also has no problems > booting and operating the machine. > > The native-boot problem does seem to be freeBSD > loader-vintage specific. > >> For the BTX failure the display ends up with >> (hand transcribed, ". . ." for an omission): >> >> BTX loader 1.00 BTX version is 1.02 >> Console: internal video/keyboard >> BIOS drive C: is disk0 >> . . . >> BIOS drive P: is disk13 >> - >> int=00000000 err=00000000 efl=00010246 eip=000096fd >> eax=74d48000 ebx=74d4e5e0 ecx=00000011 edx=00000000 >> esi=74d4e380 edi=74d4e5b0 ebp=00091da0 esp=00091d60 >> cs=002b ds=0033 es=0033 fs=0033 gs=0033 ss=0033 >> cs:eip=66 f7 77 04 0f b7 c0 89-44 24 0c 89 5c 24 04 8b >> 45 08 89 04 24 83 64 24-10 00 c7 44 24 08 01 00 >> ss:esp=00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 >> 00 00 00 00 00 00 00 00-f0 1d 89 00 00 00 00 00 >> BTX halted > > I've no clue what of that output might be loader vintage > specific. It might not be of use without knowing the > exact build of the loader. > >> The board is a GIGABYTE X399 AORUS Gaming 7 (rev 1.0). >> It has 96 GiBytes of ECC RAM, just 6 DIMMs installed. > > For reference for the board's BIOS: > > Version: F11e > Dated: 2018-Sep-17 > Description: Update AGESA 1.1.0.1a Using: https://artifact.ci.freebsd.org/snapshot/head/r*/amd64/amd64/base.txz materials I found that: -r336492: worked (loader vs. zfsloader: not linked) (no more amd64 builds until . . .) -r336538: failed (loader vs. zfsloader: linked) (Later ones that I tried also failed.) Looks like this broke for booting the 1950X system in question when the following was checked in: Author: imp Date: Fri Jul 20 05:17:37 2018 New Revision: 336532 URL: https://svnweb.freebsd.org/changeset/base/336532 Log: Collapse zfsloader functionality back down into loader. . . . === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)
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