Hi, What is this configuration option for the kernel?
I tried running fs.py with -n 8. But I am getting the same warning message as Mark and all other 7 processors are disabled. Thanks, Carole On Fri, Jun 3, 2011 at 12:22 PM, Gabe Black <[email protected]> wrote: > X86 doesn't have PAL code so you don't have to worry about that. There > are Linux patches for it, but those aren't necessary for it to work > properly, they just help the simulator run faster. There's a > configuration option for the kernel that sets how many CPUs it supports. > That's probably set to 1. > > Gabe > > On 06/03/11 05:44, 冠男陳 wrote: > > Dear M5, > > I'm now trying to simulate a full system with more than 1 core (CPU). > > With image x86_64-vmlinux-2.6.22.9, I got following messages in m5term: > > > > markcup:~/Gem5/m5_new$ ./build/X86_FS/m5.debug configs/example/fs.py -n 4 > > ==== m5 slave terminal: Terminal 0 ==== > > Linux version 2.6.22.9 (blackga@nacho) (gcc version 4.1.2 (Gentoo > > 4.1.2)) #2 Mon Oct 8 13:13:00 PDT 2007 > > Command line: earlyprintk=ttyS0 console=ttyS0 lpj=7999923 root=/dev/hda1 > > BIOS-provided physical RAM map: > > BIOS-e820: 0000000000000000 - 0000000000100000 (reserved) > > BIOS-e820: 0000000000100000 - 0000000008000000 (usable) > > end_pfn_map = 32768 > > kernel direct mapping tables up to 8000000 @ 100000-102000 > > DMI 2.5 present. > > Zone PFN ranges: > > DMA 256 -> 4096 > > DMA32 4096 -> 1048576 > > Normal 1048576 -> 1048576 > > early_node_map[1] active PFN ranges > > 0: 256 -> 32768 > > Intel MultiProcessor Specification v1.4 > > MPTABLE: OEM ID: MPTABLE: Product ID: MPTABLE: APIC at: 0xFEE00000 > > Processor #0 (Bootup-CPU) > > Processor #1 > > WARNING: NR_CPUS limit of 1 reached. Processor ignored. > > Processor #2 > > WARNING: NR_CPUS limit of 1 reached. Processor ignored. > > Processor #3 > > WARNING: NR_CPUS limit of 1 reached. Processor ignored. > > I/O APIC #4 at 0xFEC00000. > > Setting APIC routing to flat > > Processors: 1 > > ...... > > > > Then, I follow the page > > http://www.m5sim.org/wiki/index.php/Compiling_a_Linux_Kernel, > > and make linux-2.6.28 image with config file for 2.6.28.4 (from > > http://www.m5sim.org/Download), but it's still not working. > > Dose X86 have Linux patches and modified PAL code which are like > Alpha_FS? > > ( > http://www.m5sim.org/Frequently_Asked_Questions#How_many_CPUs_can_M5_run.3F > ) > > > > Thank you. > > Mark Chen > > _______________________________________________ > > gem5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users >
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