"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. -- Vitaly _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
