Re: Windows XP internal Power error

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

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ignazio.cassano-VeGButH3FaVpxaeRVNJOcDUZDU+1vuVT@public.gmane.org wrote:
> I applyed the patch.
> Attacched here there is the dmesg output.

Please run the attached program and report output.

Before you run it, run 'modprobe msr' and check you have a /dev/cpu/0/msr.

-- 
error compiling committee.c: too many arguments to function


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#define _FILE_OFFSET_BITS 64

#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdlib.h>
#include <sys/types.h>

void check_msr(int fd, uint32_t msr)
{
    uint64_t val;

    if (lseek(fd, msr, SEEK_SET) == (off_t)-1) {
	printf("see to msr %08x failed: %m\n", msr);
	return;
    }
    if (read(fd, &val, 8) == -1) {
	printf("%08x: cannot read\n", msr);
	return;
    }
    if (lseek(fd, msr, SEEK_SET) == (off_t)-1) {
	printf("see to msr %08x failed: %m\n", msr);
	return;
    }
    if (write(fd, &val, 8) == -1) {
	printf("%08x: cannot write\n", msr);
	return;
    }
    printf("%08x: may read and write\n", msr);
}

int main(int ac, char **av)
{
    int r, fd;

    r = open("/dev/cpu/0/msr", O_RDWR);
    if (r == -1) {
	printf("cannot open /dev/cpu/0/msr: %m\n");
	exit(1);
    }
    fd = r;
    check_msr(fd, 0xc0000080);
    check_msr(fd, 0xc0000081);
    check_msr(fd, 0xc0000082);
    check_msr(fd, 0xc0000083);
    check_msr(fd, 0xc0000084);
    check_msr(fd, 0xc0000102);
    check_msr(fd, 0x12345678);
}

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