Reproduced with latest upstream kernel from: http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.0-rc4-vivid/ linux-image-4.0.0-040000rc4-generic 4.0.0-040000rc4.201503152135 Linux vivid-test 4.0.0-040000rc4-generic #201503152135 SMP Mon Mar 16 01:36:37 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
Does not reproduce (what I want) with: http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13.11.11-trusty/ linux-image-3.13.11-03131111-generic 3.13.11-03131111.201411111336 Linux vivid-test 3.13.11-03131111-generic #201411111336 SMP Tue Nov 11 18:37:52 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux All on Vivid, using cloud image daily build on amd64 serial 20150314.1. Canonical engineers: it seems you can reproduce on lcy01. $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz stepping : 11 microcode : 0x1 cpu MHz : 2400.084 cache size : 4096 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc rep_good nopl pni vmx ssse3 cx16 sse4_1 sse4_2 popcnt hypervisor lahf_lm bogomips : 4800.16 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz stepping : 11 microcode : 0x1 cpu MHz : 2400.084 cache size : 4096 KB physical id : 1 siblings : 1 core id : 0 cpu cores : 1 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc rep_good nopl pni vmx ssse3 cx16 sse4_1 sse4_2 popcnt hypervisor lahf_lm bogomips : 4800.16 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1431473 Title: kvm_intel (nested) module will not load [Input/output error] Status in linux package in Ubuntu: Confirmed Bug description: I have 2 different systems, both are kvm instances themselves, both running vivid. One of them has /dev/kvm and kvm working fine (well, fine-ish bug 1413540). The other will not load the kvm_intel module. === system 1 === $ sudo kvm-ok INFO: /dev/kvm does not exist HINT: sudo modprobe kvm_intel INFO: Your CPU supports KVM extensions KVM acceleration can be used $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz stepping : 11 microcode : 0x1 cpu MHz : 2400.084 cache size : 4096 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 10 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx rdtscp lm constant_tsc rep_good nopl pni vmx ssse3 cx16 sse4_1 sse4_2 popcnt hypervisor lahf_lm bugs : bogomips : 4800.16 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: $ ls -l /dev/kvm ls: cannot access /dev/kvm: No such file or directory $ sudo modprobe kvm_intel modprobe: ERROR: could not insert 'kvm_intel': Input/output error === system 2 === $ sudo kvm-ok INFO: /dev/kvm exists KVM acceleration can be used $ cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 42 model name : Intel Xeon E312xx (Sandy Bridge) stepping : 1 microcode : 0x1 cpu MHz : 1995.191 cache size : 4096 KB physical id : 0 siblings : 1 core id : 0 cpu cores : 1 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes xsave avx hypervisor lahf_lm vnmi ept xsaveopt bugs : bogomips : 3990.38 clflush size : 64 cache_alignment : 64 address sizes : 40 bits physical, 48 bits virtual power management: ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: linux-image-3.19.0-7-generic 3.19.0-7.7 ProcVersionSignature: User Name 3.19.0-7.7-generic 3.19.0 Uname: Linux 3.19.0-7-generic x86_64 AlsaDevices: total 0 crw-rw---- 1 root audio 116, 1 Mar 12 17:07 seq crw-rw---- 1 root audio 116, 33 Mar 12 17:07 timer AplayDevices: Error: [Errno 2] No such file or directory: 'aplay' ApportVersion: 2.16.2-0ubuntu1 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord' AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1: CRDA: Error: [Errno 2] No such file or directory: 'iw' Date: Thu Mar 12 17:12:26 2015 Ec2AMI: ami-00000c86 Ec2AMIManifest: FIXME Ec2AvailabilityZone: nova Ec2InstanceType: m1.small Ec2Kernel: aki-00000548 Ec2Ramdisk: ari-00000548 IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig' Lsusb: Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub MachineType: OpenStack Foundation OpenStack Nova PciMultimedia: ProcEnviron: TERM=xterm PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-7-generic root=LABEL=cloudimg-rootfs ro init=/lib/systemd/systemd console=tty1 console=ttyS0 RfKill: Error: [Errno 2] No such file or directory: 'rfkill' SourcePackage: linux UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev' UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/01/2007 dmi.bios.vendor: Bochs dmi.bios.version: Bochs dmi.chassis.type: 1 dmi.chassis.vendor: Bochs dmi.modalias: dmi:bvnBochs:bvrBochs:bd01/01/2007:svnOpenStackFoundation:pnOpenStackNova:pvr2013.1.5:cvnBochs:ct1:cvr: dmi.product.name: OpenStack Nova dmi.product.version: 2013.1.5 dmi.sys.vendor: OpenStack Foundation To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1431473/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
