Date: Sat, 12 Nov 2016 23:10:43 -0800 From: Adrian Chadd <adrian.chadd@gmail.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: "freebsd-mips@freebsd.org" <freebsd-mips@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r307626 - head/sys/ufs/ffs Message-ID: <CAJ-VmokLk9-T4038hYyKv5CbFChzH2s3YR44D8MgSbjNdC_XAg@mail.gmail.com> In-Reply-To: <20161113065851.GD54029@kib.kiev.ua> References: <201610191109.u9JB9TTC002727@repo.freebsd.org> <CAJ-Vmom5rYe89m7bch4qoHHq3X2e67pPk_7G2aRGrjSPNp5mzg@mail.gmail.com> <20161113065851.GD54029@kib.kiev.ua>
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That disappeared from the file in a later commit? -a On 12 November 2016 at 22:58, Konstantin Belousov <kostikbel@gmail.com> wrote: > On Sat, Nov 12, 2016 at 03:19:13PM -0800, Adrian Chadd wrote: >> hi! >> >> This broke freebsd on mips24k. >> >> BAD_PAGE_FAULT: pid 1 tid 100001 (init), uid 0: pc 0x4002a4 got a read >> fault (type 0x2) at 0 >> Trapframe Register Dump: >> zero: 0 at: 0 v0: 0 v1: 0 >> a0: 0x7fffeecc a1: 0 a2: 0 a3: 0 >> t0: 0 t1: 0 t2: 0 t3: 0 >> t4: 0 t5: 0 t6: 0 t7: 0 >> t8: 0 t9: 0x400260 s0: 0x10 s1: 0x2 >> s2: 0x7fffeed0 s3: 0 s4: 0 s5: 0 >> s6: 0 s7: 0 k0: 0 k1: 0 >> gp: 0x4d55d0 sp: 0x7ffeee90 s8: 0 ra: 0 >> sr: 0xfc13 mullo: 0 mulhi: 0 badvaddr: 0 >> cause: 0x8 pc: 0x4002a4 >> Page table info for pc address 0x4002a4: pde = 0x809be000, pte = 0xa001acda >> Dumping 4 words starting at pc address 0x4002a4: >> 8c420000 14400003 00908021 8f828024 >> Page table info for bad address 0: pde = 0, pte = 0 > MIPS24k has split I/D caches, and both are VIPT, am I right ? > I was not able to find the handling of cache aliasing in mips/pmap.c. > > Still, I am curious whether setting the loader tunable vfs.buf_pager_relbuf > to 1 change anything. > >> >> .. and yes, I've spent three days bisecting everything to get to this >> particular commit.
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