> -----Original Message----- > From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] > Sent: Thursday, August 13, 2015 4:20 PM > To: Hao, Xudong <xudong....@intel.com> > Cc: xen-devel@lists.xen.org > Subject: Re: [Xen-devel] Failure to boot HVM guest with more than 32 VCPUS > > "Hao, Xudong" <xudong....@intel.com> writes: > > >> -----Original Message----- > >> From: Vitaly Kuznetsov [mailto:vkuzn...@redhat.com] > >> Sent: Wednesday, August 12, 2015 5:40 PM > >> To: Hao, Xudong > >> Cc: xen-devel@lists.xen.org > >> Subject: Re: [Xen-devel] Failure to boot HVM guest with more than 32 > >> VCPUS > >> > >> "Hao, Xudong" <xudong....@intel.com> writes: > >> > >> > Hi, > >> > > >> > In X86_64 platform, we noticed an issue that Xen boot a RHEL6u6 or > >> > Fedora22 guest, when configure the VCPU more than 32, the guest > >> > will fail to boot up. > >> > >> The issue is well-known for RHEL6.6 (and is fixed in 6.7 and in > >> 6.6.z) but Fedora22 should boot. The log below is from RHEL6.6, can > >> you please provide one from Fedora? > >> > > > > Vitaly, > > > > Thanks for quick response. Is the fix in guest pv driver? > > The fix is in RHEL6 kernel, prior to it there is no support for vcpu_info > outside of > shared_info and so only 32 vcpus are supported. > > > Will catch Fedora22 log. > > Please do, this is probably a different issue. >
Attach the Fedora22 log, a different issue. > -- > Vitaly
fedora22.log
Description: fedora22.log
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