On 2011-10-27 09:20, Markus Armbruster wrote: > "Ren, Yongjie" <[email protected]> writes: > >>> -----Original Message----- >>> From: [email protected] [mailto:[email protected]] On >>> Behalf Of Ren, Yongjie >>> Sent: Thursday, October 27, 2011 3:03 PM >>> To: Markus Armbruster >>> Cc: Alex Williamson; KVM General; Avi Kivity >>> Subject: RE: [qemu bug] device assignment doesn't work: "error: requires KVM >>> support" >>> >>>> -----Original Message----- >>>> From: Markus Armbruster [mailto:[email protected]] >>>> Sent: Thursday, October 27, 2011 2:50 PM >>>> To: Ren, Yongjie >>>> Cc: Alex Williamson; KVM General; Avi Kivity >>>> Subject: Re: [qemu bug] device assignment doesn't work: "error: requires >>>> KVM >>>> support" >>>> >>>> "Ren, Yongjie" <[email protected]> writes: >>>> >>>>>> -----Original Message----- >>>>>> From: Alex Williamson [mailto:[email protected]] >>>>>> Sent: Thursday, October 27, 2011 11:04 AM >>>>>> To: Ren, Yongjie >>>>>> Cc: KVM General; Avi Kivity >>>>>> Subject: Re: [qemu bug] device assignment doesn't work: "error: requires >>>> KVM >>>>>> support" >>>> [...] >>>>>> The error message is correct, device assignment requires kvm support. >>>>>> What does 'info kvm' in the monitor report? >>>>> It shows "kvm support: disabled". >>>>> But when configuring qemu, I get this message " KVM support yes". See >>> details >>>> in my attachment configure.log >>>> >>>> Try running with --enable-kvm. >>> >>> I added '--enable-kvm' when configuring qemu. I got the same configure >>> output. >>> And I compiled and ran qemu, then I met the same issue as I describled >>> before. >> Oh, adding '--enable-kvm' when running qemu will work. The following command >> line enables kvm when qemu starting. >> ./x86_64-softmmu/qemu-system-x86_64 -smp 2 -m 1024 -device >> pci-assign,host=0e:00.0 -hda /root/rhel6u1.img --enable-kvm >> But it didn't need to add '--enable-kvm' two weeks ago. Must we add this >> parameter from now on if we want to use kvm ? > > Use of KVM should still be the default. If it isn't anymore, can you > use bisect to finger the commit that broke it?
Might be "qemu-kvm: set default accelerator via target.conf". Unless you fully install qemu, that conf is not picked up (or an older version is used). I'd still like to see this working with qemu started from a build directory... Jan
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