Date: Wed, 6 Jan 1999 21:49:03 -0500 (EST) From: Luoqi Chen <luoqi@watermarkgroup.com> To: freebsd-hardware@FreeBSD.ORG, freebsd-smp@FreeBSD.ORG, tich@ma.ikos.com Subject: Re: SMP Xeon SC450NX 2G Message-ID: <199901070249.VAA10567@lor.watermarkgroup.com>
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In i386/i386/pmap.c function pmap_init(), try to move the allocation of kptobj to the beginning of the function (before the kmem_alloc call). -lq > My SC450NX Xeon box (from www.sagelec.com) is now up and running > 3.0-RELEASE with 2 cpus and 1GB of DRAM. I bought an Adaptec 2940 > to get round the ncr driver problem with the onboard Symbios 53C896. > The onboard video (Cirrus Logic CL-GD5480) also seems to work ok > with XFree86 (choosing GD5464 as the card type in XF86Setup). > > Everything runs fine so far, and the 400MHz Xeon blows away our > 300MHz UltraSPARC-2 boxes (did a big gcc compile in 440 sec vs 761 sec). > > With 2GB of DRAM it still crashes - here are the details: > > ... > BIOS basemem (633K) != RTC basemem (640K), setting to BIOS value > BIOS extmem (15360K) != RTC extmem (65535K) > Copyright (c) 1992-1998 FreeBSD Inc. > Copyright (c) 1982, 1986, 1989, 1991, 1993 > The Regents of the University of California. All rights reserved. > > > Fatal trap 12: page fault while in kernel mode > mp_lock = 00000002; cpuid = 0; lapic.id = 03000000 > fault virtual address = 0x68 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xf01e41c0 > stack pointer = 0x10:0xf02c3e8c > frame pointer = 0x10:0xf02c3eac > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def32 1, gran 1 > processor eflags = resume, IOPL = 0 > current process = 0 () > interrupt mask = net tty bio cam <- SMP: XXX > kernel: type 12 trap, code=0 > Stopped at _vm_page_select_free+0x20: movl 0x68(%esi),%ebx > db> trace > _vm_page_select_free(0,9,1,f2205000,f2c00000) at _vm_page_select_free+0x20 > _vm_page_alloc(0,9,2,f2205000,f0269188) at _vm_page_alloc+0xba > _pmap_growkernel(f2a05000,4,f025e07c,800000,f02691a8) at _pmap_growkernel+0xa5 > _vm_map_findspace(f0269188,effbf000,800000,f02c3f58,f0269188,2,0,f027b75c) > _kmem_alloc at _kmem_alloc+0x3e > _pmap_init at _pmap_init+0x57 > _vm_mem_init at _vm_mem_init+0x50 > _main at _main+0x8b > begin() at begin+0x54 > > Cheers > Richard Cownie (tich@ma.ikos.com) > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-smp" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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