Date: Sat, 9 Apr 2022 00:43:41 -0500 From: Kyle Evans <kevans@freebsd.org> To: Andrew Turner <andrew@freebsd.org> Cc: src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org Subject: Re: git: bcd763b642ab - main - Move the arm64 DMAP creation to C Message-ID: <CACNAnaEaipKjYYuDE_QdAjRk_Z0sWE5oB%2B8vhmiUdeAG5aQ_gw@mail.gmail.com> In-Reply-To: <CACNAnaHJ4A=ynv5xt7sEh-wAWog6XtU26d2yyoMPGfdxxNUGYQ@mail.gmail.com> References: <202204061324.236DO0pe071404@gitrepo.freebsd.org> <CACNAnaHJ4A=ynv5xt7sEh-wAWog6XtU26d2yyoMPGfdxxNUGYQ@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Sat, Apr 9, 2022 at 12:31 AM Kyle Evans <kevans@freebsd.org> wrote: > > On Wed, Apr 6, 2022 at 8:24 AM Andrew Turner <andrew@freebsd.org> wrote: > > > > The branch main has been updated by andrew: > > > > URL: https://cgit.FreeBSD.org/src/commit/?id=bcd763b642abb4b236902e84184c579225265fb7 > > > > commit bcd763b642abb4b236902e84184c579225265fb7 > > Author: Andrew Turner <andrew@FreeBSD.org> > > AuthorDate: 2022-03-15 17:05:48 +0000 > > Commit: Andrew Turner <andrew@FreeBSD.org> > > CommitDate: 2022-04-06 13:09:49 +0000 > > > > Move the arm64 DMAP creation to C > > > > To simplify the creation of the direct map (DMAP) region on arm64 move > > it from the pre-C code into pmap. This simplifies the DMAP creation > > as we can use the notmal index macros, and should reduce the number > > of pages needed to hold the level 1 tables to just those needed. > > > > Reviewed by: alc, dch > > Tested by: dch, kevans > > Sponsored by: The FreeBSD Foundation > > Differential Revision: https://reviews.freebsd.org/D34568 > > Our Ampere boxes were fine with this, but this seems to tickle > something on this M1 mini that I have. Specifically, we end up dying > while probing UEFI stuff, here: > > https://cgit.freebsd.org/src/tree/sys/dev/efidev/efirt.c#n183 > > efi_systbl_phys == 0x9e0979f30, efi_systbl == 0xffffa001e0979f30 > Fatal data abort: > ... > sp: ffff000000fb79b0 > lr: ffff000000157ae0 (efirt_modevents + 94) > elr: ffff000000157ae8 (efirt_modevents + 9c) > spsr: 604000c5 > far: ffffa001e0979f30 > esr: 96000007 > panic: vm_fault failed: ffff000000157ae8 error 1 > cpuid = 0 > time = 1 > KDB: stack backtrace: > db_trace_self() at db_trace_self > db_trace_self_wrapper() at db_trace_self_wrapper+0x30 > vpanic() at vpanic+0x174 > panic() at panic+0x44 > data_abort() at data_abort+0x2f0 > handle_el1h_sync() at handle_el1h_sync+0x10 > --- exception, esr 0x96000007 > efirt_modevents() at efirt_modevents+0x9c > module_register_init() at module_register_init+0xc4 > mi_startup() at mi_startup+0x284 > virtdone() at virtdone+0x7c Er, maybe helpful: Physical memory chunk(s): 0x8010a8000 - 0x803ecbfff, 46 MB ( 11812 pages) 0x803f8c000 - 0x8053e7fff, 20 MB ( 5212 pages) 0x805402000 - 0x808f99fff, 59 MB ( 15256 pages) 0x808fb6000 - 0x80d5fffff, 70 MB ( 17994 pages) 0x80dc73000 - 0x9e096ffff, 7468 MB (1912061 pages) 0x9e0980000 - 0x9e0a33fff, 0 MB ( 180 pages) Physical memory chunk(s): 0x8010a8000 - 0x803ecbfff, 46 MB ( 11812 pages) 0x803f8c000 - 0x8053e7fff, 20 MB ( 5212 pages) 0x805402000 - 0x808f99fff, 59 MB ( 15256 pages) 0x808fb6000 - 0x80d5fffff, 70 MB ( 17994 pages) 0x80dc73000 - 0x9e096ffff, 7468 MB (1912061 pages) 0x9e0980000 - 0x9e0a33fff, 0 MB ( 180 pages)
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CACNAnaEaipKjYYuDE_QdAjRk_Z0sWE5oB%2B8vhmiUdeAG5aQ_gw>