| Message ID | 20140224222937.46a1b511@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Il 25/02/2014 04:29, Luiz Capitulino ha scritto: > I got a report of someone trying to run tests with a large amount of > RAM (4GB), which broke the guest as free_memory() function (called > by setup_vm()) will override the PCI hole. > > Let's document memory constraints so that people don't do that. > > Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> > --- > README | 4 ++++ > 1 file changed, 4 insertions(+) > > > diff --git a/README b/README > index db525e3..0f5d810 100644 > --- a/README > +++ b/README > @@ -18,6 +18,10 @@ This invocation runs the msr test case. The test outputs to stdio. > Using qemu (supported since qemu 1.3): > qemu-system-x86_64 -enable-kvm -device pc-testdev -serial stdio -device isa-debug-exit,iobase=0xf4,iosize=0x4 -kernel ./x86/msr.flat > > +Note that it's not necessary to specify the "-m" option to qemu. The default > +memory size is enough. Actually, the tests infrastructure doesn't support too > +much RAM anyway, so specifying a large amount of RAM may break it. > + > Or use a runner script to detect the correct invocation: > ./x86-run ./x86/msr.flat > To select a specific qemu binary, specify the QEMU=<path> environment: > Applying to kvm-unit-tests. Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/README b/README index db525e3..0f5d810 100644 --- a/README +++ b/README @@ -18,6 +18,10 @@ This invocation runs the msr test case. The test outputs to stdio. Using qemu (supported since qemu 1.3): qemu-system-x86_64 -enable-kvm -device pc-testdev -serial stdio -device isa-debug-exit,iobase=0xf4,iosize=0x4 -kernel ./x86/msr.flat +Note that it's not necessary to specify the "-m" option to qemu. The default +memory size is enough. Actually, the tests infrastructure doesn't support too +much RAM anyway, so specifying a large amount of RAM may break it. + Or use a runner script to detect the correct invocation: ./x86-run ./x86/msr.flat To select a specific qemu binary, specify the QEMU=<path> environment:
I got a report of someone trying to run tests with a large amount of RAM (4GB), which broke the guest as free_memory() function (called by setup_vm()) will override the PCI hole. Let's document memory constraints so that people don't do that. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> --- README | 4 ++++ 1 file changed, 4 insertions(+)