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. _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
