On Tue, Sep 08, 2015 at 09:34:04PM +0200, Mark Kettenis wrote: > > Date: Tue, 8 Sep 2015 12:03:28 -0700 > > From: Mike Larkin <[email protected]> > > > > On Tue, Sep 08, 2015 at 08:02:45PM +0200, Christian Weisgerber wrote: > > > Mark Kettenis: > > > > > > > Does the bsd kernel from the same snapshot blow up as well? > > > > > > Yes. > > > > > > booting hd0a:bsd.i386: 7520308+2015344+189444+0+1069056 > > > [72+411072+405023]=0xb155c4 > > > entry point at 0x2000d4 [7205c766, 34000004, 24448b12, de60a304] > > > > > > [ using 816580 bytes of bsd ELF symbol table ] > > > Copyright (c) 1982, 1986, 1989, 1991, 1993 > > > The Regents of the University of California. All rights reserved. > > > Copyright (c) 1995-2015 OpenBSD. All rights reserved. > > > http://www.OpenBSD.org > > > > > > OpenBSD 5.8-current (GENERIC) #1156: Mon Sep 7 07:02:35 MDT 2015 > > > [email protected]:/usr/src/sys/arch/i386/compile/GENERIC > > > cpu0: Genuine Intel(R) CPU @ 1.00GHz ("GenuineIntel" 686-class) 1.01 GHz > > > cpu0: > > > FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,NXE,LONG,SSE3,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,MOVBE,LAHF,PERF,SENSOR > > > real mem = 1073086464 (1023MB) > > > avail mem = 1040211968 (992MB) > > > mpath0 at root > > > scsibus0 at mpath0: 256 targets > > > mainbus0 at root > > > bios0 at mainbus0: date 20/21/15, BIOS32 rev. 0 @ 0xfac40 > > > mpbios0 at bios0: Intel MP Specification 1.4 > > > cpu0 at mainbus0: apid 0 (boot processor) > > > mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges > > > cpu0: apic clock running at 100MHz > > > cpu0: mwait min=64, max=64, C-substates=0.2.2.0.2.0.3, IBE > > > cpu at mainbus0: not configured > > > mpbios0: bus 0 is type PCI > > > mpbios0: bus 64 is type ISA > > > ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 20, 24 pins > > > uvm_fault(0xd0b6c5e0, 0xd0d7e000, 0, 4) -> d > > > kernel: page fault trap, code=0 > > > Stopped at __kernel_bss_end+0x130c40: cmpl $0x49435024,%eax > > > ddb> > > > > > > > That address and instruction seem bogus. When did it last work? > > Before your i386 W^X commit? >
Could be, although I thought I got all the regions that needed executable bits set for BIOS. I'll take a look. > 0x49435025 is $PCI aka PCIBIOS_SIGNATURE. That's pretty strong > evidence we're in the pcibiosprobe(), doing the bios32_service() call. > Yeah, just noticed that as well. The wrong symbol there threw me off. -ml
