[oi-dev] 1479 Qemu delivered by pkg:/system/qemu/kvm is broken

Andrzej Szeszo aszeszo at gmail.com
Thu Sep 8 15:42:52 UTC 2011

Hi Garrett

I propose the change to workaround the problem for now to make qemu-kvm 
more usable. It is not a proper fix I agree.

Without --enable-debug, CentOS 6 ISO fails to uncompress initial ramdisk 
and kernel is unable to find root device because of that . Illumos 
guests get stuck at boot and are not usable at all. Ubuntu guests seem 
to be fine.

With --enable-debug CentOS and Illumos guests run fine.

--enable-debug seems to be set by default by Joyent's build.sh sript 
used to build Qemu.

We can wait for a proper fix I guess. Robert Mustacchi from Joyent is 
looking at the problem already.

In the mean time though qemu-kvm from the repo will have limited use.


On 08/09/2011 16:15, Garrett D'Amore wrote:
> This feels like a hack rather than a fix.  And a poor one at that.  The upstream bug indicates that the upstream have no such problems, and the failure seen is indicative of a failure to find the boot device in the guest.  I recommend further investigation.
> 	- Garrett
> On Sep 8, 2011, at 7:28 AM, Andrzej Szeszo wrote:
>> I propose the change below to workaround https://www.illumos.org/issues/1479
>> diff --git a/components/qemu-kvm/Makefile b/components/qemu-kvm/Makefile
>> --- a/components/qemu-kvm/Makefile
>> +++ b/components/qemu-kvm/Makefile
>> @@ -46,6 +46,7 @@
>> CONFIGURE_OPTIONS += --disable-kvm-device-assignment
>> CONFIGURE_OPTIONS += --enable-trace-backend=dtrace
>> CONFIGURE_OPTIONS += --target-list="i386-softmmu x86_64-softmmu"
>> +CONFIGURE_OPTIONS += --enable-debug
>> Andrzej
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