On Tue, Jan 12, 2010 at 03:25:44PM +0100, Jiri Denemark wrote: > When comparing incompatible CPUs, the reason for this incompatibility is > logged as a debug message. > > Signed-off-by: Jiri Denemark <jdenemar@xxxxxxxxxx> > --- > src/cpu/cpu_x86.c | 8 +++++++- > 1 files changed, 7 insertions(+), 1 deletions(-) > > diff --git a/src/cpu/cpu_x86.c b/src/cpu/cpu_x86.c > index 7c50261..50c03ad 100644 > --- a/src/cpu/cpu_x86.c > +++ b/src/cpu/cpu_x86.c > @@ -755,8 +755,10 @@ x86Compute(virCPUDefPtr host, > } > } > > - if (!found) > + if (!found) { > + VIR_DEBUG("CPU arch %s does not match host arch", cpu->arch); > return VIR_CPU_COMPARE_INCOMPATIBLE; > + } > } > > if ((map = x86LoadMap()) == NULL) > @@ -796,6 +798,8 @@ x86Compute(virCPUDefPtr host, > cpuid1->function); > > if (cpuid2 != NULL && x86cpuidMatchAny(cpuid2, cpuid1)) { > + VIR_DEBUG("Host CPU provides forbidden features in CPUID function 0x%x", > + cpuid1->function); > ret = VIR_CPU_COMPARE_INCOMPATIBLE; > goto out; > } > @@ -803,6 +807,7 @@ x86Compute(virCPUDefPtr host, > > result = x86ModelCompare(host_model, cpu_require); > if (result == SUBSET || result == UNRELATED) { > + VIR_DEBUG0("Host CPU does not provide all required features"); > ret = VIR_CPU_COMPARE_INCOMPATIBLE; > goto out; > } > @@ -819,6 +824,7 @@ x86Compute(virCPUDefPtr host, > if (ret == VIR_CPU_COMPARE_SUPERSET > && cpu->type == VIR_CPU_TYPE_GUEST > && cpu->match == VIR_CPU_MATCH_STRICT) { > + VIR_DEBUG0("Host CPU does not strictly match guest CPU"); > ret = VIR_CPU_COMPARE_INCOMPATIBLE; > goto out; > } ACK Daniel -- |: Red Hat, Engineering, London -o- http://people.redhat.com/berrange/ :| |: http://libvirt.org -o- http://virt-manager.org -o- http://ovirt.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: GnuPG: 7D3B9505 -o- F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :| -- Libvir-list mailing list Libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list