Attachment 621161 Details for Bug 862914 – driver program to reproduce the bug.

driver program to reproduce the bug.

setmemandpoweron.c (text/plain), 1.98 KB, created by Michael Closson on 2012-10-03 21:11:06 UTC

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Creator: Michael Closson

Created: 2012-10-03 21:11:06 UTC

Size: 1.98 KB

patch

obsolete

>/* compile with: 
> * gcc -g -Wall setmemandpoweron.c -o setmemandpoweron -ldl -pthread -lsasl2 -lvirt
> */
>/* vim: ts=4 et cin
> */
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>#include <pthread.h>
>#include <unistd.h>
>#include <errno.h>
>#include <netdb.h>
>#include <assert.h>
>
>#include <sys/time.h>
>#include <sys/types.h>
>#include <sys/socket.h>
>#include <sys/select.h>
>
>#include <netinet/in.h>
>#include <netinet/ip_icmp.h>
>
>#include <arpa/inet.h>
>
>#include <libvirt/libvirt.h>
>#include <libvirt/virterror.h>
>
>
>void
>lverr(void *userdata, virErrorPtr error)
>{
>    fprintf(stderr, "code: %d, message: %s\n", error->code, error->message);
>}
>
>int main(int argc, char *argv[])
>{
>    char *domname;
>    virConnectPtr conn = NULL;
>    virDomainPtr dom = NULL;
>    unsigned long mem, vcpus;
>    int cc;
>
>    if (argc < 4 || argc > 6) {
>        fprintf(stderr, "\
>Usage: %s <domain name> <mem> <vcpus>\n",
>                *argv);
>        exit(99);
>    }
>    domname = argv[1];
>    mem = strtol(argv[2], NULL, 0);
>    vcpus = strtol(argv[3], NULL, 0);
>
>    conn = virConnectOpen("qemu:///system");
>    if (conn == NULL) {
>        fprintf(stderr, "Failed to open connection to kvm://\n");
>        return 1;
>    }
>
>    virConnSetErrorFunc(conn, NULL, lverr);
>
>    dom = virDomainLookupByName(conn, domname);
>    if (dom == NULL) {
>        fprintf(stderr, "Can't find a domain w/ name '%s'.\n", domname);
>        exit(99);
>    }
>
>    cc = virDomainSetMemoryFlags(dom, mem, VIR_DOMAIN_AFFECT_CONFIG|VIR_DOMAIN_MEM_MAXIMUM);
>    assert(cc==0);
>    cc = virDomainSetMemoryFlags(dom, mem, VIR_DOMAIN_AFFECT_CONFIG|VIR_DOMAIN_MEM_CURRENT);
>    assert(cc==0);
>    cc = virDomainSetVcpusFlags(dom, vcpus, VIR_DOMAIN_AFFECT_CONFIG|VIR_DOMAIN_VCPU_MAXIMUM);
>    assert(cc==0);
>    cc = virDomainSetVcpusFlags(dom, vcpus, VIR_DOMAIN_AFFECT_CONFIG|VIR_DOMAIN_VCPU_CURRENT);
>    assert(cc==0);
>
>    printf ("Config change done.  hit enter to power on.\n");
>    getchar();
>
>    cc = virDomainCreate(dom);
>    assert(cc==0);
>
>
>    return 0;
>}
>

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Attachments on bug 862914: 621161