Thanks, Serge. I'm having trouble running apport-collect, as this is a headless server install, so only browser available is lynx, which seems to fail just after allowing authorisation.
However, here are the rest of the details you've requested: $ lsmod Module Size Used by snd_hda_codec_hdmi 32474 1 ip6table_filter 12815 0 ip6_tables 27864 1 ip6table_filter ebtable_nat 12807 0 ebtables 30984 1 ebtable_nat ipt_MASQUERADE 12759 3 iptable_nat 13229 1 nf_nat 25891 2 ipt_MASQUERADE,iptable_nat nf_conntrack_ipv4 19716 4 iptable_nat,nf_nat nf_defrag_ipv4 12729 1 nf_conntrack_ipv4 xt_state 12578 1 nf_conntrack 81926 5 ipt_MASQUERADE,iptable_nat,nf_nat,nf_conntrack_ipv4,xt_state ipt_REJECT 12576 2 xt_CHECKSUM 12549 1 iptable_mangle 12734 1 xt_tcpudp 12603 5 iptable_filter 12810 1 ip_tables 27473 3 iptable_nat,iptable_mangle,iptable_filter x_tables 29846 12 ip6table_filter,ip6_tables,ebtables,ipt_MASQUERADE,iptable_nat,xt_state,ipt_REJECT,xt_CHECKSUM,iptable_mangle,xt_tcpudp,iptable_filter,ip_tables bridge 91179 0 stp 12931 1 bridge kvm_amd 55848 0 kvm 415459 1 kvm_amd rc_dib0700_rc5 12508 0 dvb_usb_dib0700 123263 0 dib7000p 39231 3 dvb_usb_dib0700 dib0090 37608 1 dvb_usb_dib0700 dib7000m 23501 1 dvb_usb_dib0700 dib0070 18518 3 dvb_usb_dib0700 snd_hda_codec_realtek 223867 1 ir_lirc_codec 12859 0 lirc_dev 19204 1 ir_lirc_codec ir_mce_kbd_decoder 12777 0 radeon 804372 1 snd_hda_intel 33773 0 ttm 76949 1 radeon drm_kms_helper 46978 1 radeon snd_hda_codec 127706 3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel ir_sony_decoder 12510 0 dvb_usb 24490 1 dvb_usb_dib0700 dib8000 43141 1 dvb_usb_dib0700 snd_hwdep 13668 1 snd_hda_codec ir_jvc_decoder 12507 0 ir_rc6_decoder 12507 0 snd_pcm 97188 3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec drm 242038 3 radeon,ttm,drm_kms_helper dvb_core 110619 3 dib7000p,dvb_usb,dib8000 edac_core 53746 0 ir_rc5_decoder 12507 0 dib3000mc 23392 1 dvb_usb_dib0700 sp5100_tco 13791 0 ir_nec_decoder 12507 0 mac_hid 13253 0 ppdev 17113 0 psmouse 87603 0 rc_core 26412 11 rc_dib0700_rc5,dvb_usb_dib0700,ir_lirc_codec,ir_mce_kbd_decoder,ir_sony_decoder,dvb_usb,ir_jvc_decoder,ir_rc6_decoder,ir_rc5_decoder,ir_nec_decoder i2c_algo_bit 13423 1 radeon serio_raw 13211 0 shpchp 37277 0 pl2303 17993 0 usbserial 47077 1 pl2303 snd_timer 29990 1 snd_pcm dibx000_common 18810 5 dvb_usb_dib0700,dib7000p,dib7000m,dib8000,dib3000mc edac_mce_amd 23709 0 snd 78855 7 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm,snd_timer i2c_piix4 13301 0 k10temp 13166 0 soundcore 15091 1 snd snd_page_alloc 18529 2 snd_hda_intel,snd_pcm parport_pc 32866 1 lp 17799 0 parport 46562 3 ppdev,parport_pc,lp raid10 35496 0 raid456 58338 1 async_pq 13187 1 raid456 async_xor 12879 2 raid456,async_pq xor 12894 1 async_xor async_memcpy 12529 1 raid456 async_raid6_recov 12776 1 raid456 r8169 62099 0 pata_atiixp 13204 0 raid6_pq 88346 2 async_pq,async_raid6_recov async_tx 13349 5 raid456,async_pq,async_xor,async_memcpy,async_raid6_recov raid1 35572 0 raid0 17229 0 multipath 13145 0 linear 12894 0 $ $ grep -i kvm /var/log/boot.log * Starting KVM [ OK ] $ $ ls -l /dev/kvm crw-rw---- 1 root kvm 10, 232 Jun 30 07:42 /dev/kvm $ $ dpkg -l | grep kvm ii kvm 1:84+dfsg-0ubuntu16+1.0+noroms+0ubuntu13 dummy transitional package from kvm to qemu-kvm ii kvm-ipxe 1.0.0+git-3.55f6c88-0ubuntu1 PXE ROM's for KVM ii qemu-kvm 1.0+noroms-0ubuntu13 Full virtualization on i386 and amd64 hardware $ I've also checked the BIOS settings, and virtualisation is definitely still enabled (and hasn't been changed since this exact same box had KVM working fine on a Debian Lenny install). Please let me know if there is any extra info you would like me to collect in the absence of apport-collect being able to work. Many thanks! -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1021271 Title: KVM "enabling virtualization on CPU0 failed" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/1021271/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs