On Thu, Apr 30, 2009 at 04:40:53PM -0400, Jung-uk Kim wrote: > ... > > OK; I tried, but the symptoms appear unchanged: > > ... > Okay, then please try this instead. > > Jung-uk Kim > --- sys/i386/i386/mp_machdep.c (revision 191699) > +++ sys/i386/i386/mp_machdep.c (working copy) > _at__at_ -267,6 +267,8 _at__at_ > else if (type == CPUID_TYPE_CORE) > cpu_cores = cnt; > } > + if (cpu_cores == 0) > + cpu_cores = 1; > if (cpu_logical == 0) > cpu_logical = 1; > cpu_cores /= cpu_logical; > _at__at_ -352,7 +354,7 _at__at_ > else if (cpu_high) > topo_probe_0x4(); > if (cpu_cores == 0) > - cpu_cores = mp_ncpus; > + cpu_cores = mp_ncpus > 0 ? mp_ncpus : 1; > if (cpu_logical == 0) > cpu_logical = 1; > } > --- sys/amd64/amd64/mp_machdep.c (revision 191699) > +++ sys/amd64/amd64/mp_machdep.c (working copy) > _at__at_ -214,6 +214,8 _at__at_ > else if (type == CPUID_TYPE_CORE) > cpu_cores = cnt; > } > + if (cpu_cores == 0) > + cpu_cores = 1; > if (cpu_logical == 0) > cpu_logical = 1; > cpu_cores /= cpu_logical; > _at__at_ -299,7 +301,7 _at__at_ > else if (cpu_high) > topo_probe_0x4(); > if (cpu_cores == 0) > - cpu_cores = mp_ncpus; > + cpu_cores = mp_ncpus > 0 ? mp_ncpus : 1; > if (cpu_logical == 0) > cpu_logical = 1; > } I reverted the earlier patch, applied the above successfully, but no joy: ... ³ Select option, [Enter] for default ³ ³ or [Space] to pause timer 8 ³ ÀÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÄÙ GDB: no debug ports present KDB: debugger backends: ddb KDB: current backend: ddb SMAP type=01 base=0000000000000000 len=000000000009fc00 SMAP type=02 base=000000000009fc00 len=0000000000000400 SMAP type=01 base=0000000000100000 len=000000002fee2800 SMAP type=02 base=000000002ffe2800 len=000000000001d800 SMAP type=02 base=00000000feda0000 len=0000000000060000 SMAP type=02 base=00000000ffb80000 len=0000000000480000 Copyright (c) 1992-2009 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 8.0-CURRENT #1028 r191682M: Thu Apr 30 13:54:12 PDT 2009 root_at_d254.dwolf.juniper.net.:/common/S4/obj/usr/src/sys/CANARY WARNING: WITNESS option enabled, expect reduced performance. Preloaded elf kernel "/boot/kernel/kernel" at 0xc1131000. Preloaded elf module "/boot/kernel/linux.ko" at 0xc113114c. Preloaded elf module "/boot/kernel/if_an.ko" at 0xc11311f8. Preloaded elf module "/boot/kernel/if_wi.ko" at 0xc11312a4. Preloaded elf module "/boot/kernel/radeon.ko" at 0xc1131350. Preloaded elf module "/boot/kernel/drm.ko" at 0xc11313fc. Timecounter "i8254" frequency 1193182 Hz quality 0 Calibrating TSC clock ... TSC clock: 2392953912 Hz CPU: Mobile Intel(R) Pentium(R) 4 - M CPU 2.40GHz (2392.95-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf27 Stepping = 7 Features=0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> Features2=0x400<CNXT-ID> Instruction TLB: 4 KB, 2 MB or 4 MB pages, fully associative, 128 entries Data TLB: 4 KB or 4 MB pages, fully associative, 64 entries 1st-level data cache: 8 KB, 4-way set associative, sectored cache, 64 byte line size Trace cache: 12K-uops, 8-way set associative 2nd-level cache: 512 KB, 8-way set associative, sectored cache, 64 byte line size real memory = 805306368 (768 MB) Physical memory chunk(s): 0x0000000000001000 - 0x000000000009efff, 647168 bytes (158 pages) 0x0000000000100000 - 0x00000000003fffff, 3145728 bytes (768 pages) 0x0000000001425000 - 0x000000002f2d9fff, 770396160 bytes (188085 pages) avail memory = 769626112 (733 MB) bios32: Found BIOS32 Service Directory header at 0xc00ffe80 bios32: Entry = 0xffe90 (c00ffe90) Rev = 0 Len = 1 pcibios: PCI BIOS entry at 0xf0000+0xbfee pnpbios: Found PnP BIOS data at 0xc00fe2d0 pnpbios: Entry = f0000:e2f4 Rev = 1.0 pnpbios: Event flag at 4b4 Other BIOS signatures found: Fatal trap 18: integer divide fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x20:0xc0b3ca03 stack pointer = 0x28:0xc1420d00 frame pointer = 0x28:0xc1420d20 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 (swapper) [thread pid 0 tid 100000 ] Stopped at cpu_topo+0x43: idivl %ecx,%eax db> bt Tracing pid 0 tid 100000 td 0xc0d43690 cpu_topo(2,c1420d34,c081ff07,c1420d58,c0820042,...) at cpu_topo+0x43 smp_topo(c0804378,2,c4145a5c,fffffff,0,...) at smp_topo+0x10b sched_setup(0,141ec00,141ec00,141e000,1425000,...) at sched_setup+0x1a mi_startup() at mi_startup+0x96 begin() at begin+0x2c db> Peace, david -- David H. Wolfskill david_at_catwhisker.org Depriving a girl or boy of an opportunity for education is evil. See http://www.catwhisker.org/~david/publickey.gpg for my public key.
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