Read the comment in pmap.h:
/*
* Size of Kernel address space. This is the number of page table pages
* (4MB each) to use for the kernel. 256 pages == 1 Gigabyte.
* This **MUST** be a multiple of 4 (eg: 252, 256, 260, etc).
*/
#ifndef KVA_PAGES
#ifdef PAE
#define KVA_PAGES 512
#else
#define KVA_PAGES 256
#endif
#endif
On Jan 14, 2008 1:23 PM, Boris Samorodov <bsam@ipt.ru>
wrote:> Hello,
>
>
> can you tell me which value may be used for KVA_PAGES? If I use
> KVA_PAGES=360, the system boots. If I use KVA_PAGES=375, the system
> halts at BTX stage:
> ftp://ftp.ipt.ru/pub/images/btx_halted/img014.jpg
>
> The kernel is GENERIC + SCHED_ULE, some IPFWIREWALL, etc.
> -----
> localhost%% uname -a
> FreeBSD bb.ipt.ru 7.0-RC1 FreeBSD 7.0-RC1 #7: Fri Jan 11 20:53:40 MSK 2008
root@bb.ipt.ru:/usr/obj/usr/src/sys/GG i386
> localhost% dmesg | head -22
> Copyright (c) 1992-2008 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 7.0-RC1 #7: Fri Jan 11 20:53:40 MSK 2008
> root@bb.ipt.ru:/usr/obj/usr/src/sys/BB
> Timecounter "i8254" frequency 1193182 Hz quality 0
> CPU: Intel(R) Core(TM)2 Quad CPU Q6600 @ 2.40GHz (2405.47-MHz 686-class
CPU)
> Origin = "GenuineIntel" Id = 0x6fb Stepping = 11
>
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>
Features2=0xe3bd<SSE3,RSVD2,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
> AMD Features=0x20100000<NX,LM>
> AMD Features2=0x1<LAHF>
> Cores per package: 4
> real memory = 3489136640 (3327 MB)
> avail memory = 3408564224 (3250 MB)
> ACPI APIC Table: <A_M_I_ OEMAPIC >
> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
> cpu0 (BSP): APIC ID: 0
> cpu1 (AP): APIC ID: 1
> cpu2 (AP): APIC ID: 2
> cpu3 (AP): APIC ID: 3
> -----
>
>
> WBR
> --
> Boris Samorodov (bsam)
> Research Engineer, http://www.ipt.ru Telephone & Internet SP
> FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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