I can confirm this on my Dell D620. I see the following in my dmesg. Removing kvm and kvm-intel prior to suspend fixes the problem, and the computer will then resume correctly.
May 20 14:06:52 azvoleff-laptop gnome-power-manager: (azvoleff) Suspending computer because the suspend button has been pressed May 20 14:06:53 azvoleff-laptop kernel: [ 567.980000] ADDRCONF(NETDEV_UP): eth1: link is not ready May 20 14:06:53 azvoleff-laptop kernel: [ 568.264000] ACPI: PCI interrupt for device 0000:03:00.0 disabled May 20 14:06:53 azvoleff-laptop kernel: [ 568.340000] ACPI: PCI interrupt for device 0000:04:00.0 disabled May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] Disabling non-boot CPUs ... May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] kvm: disabling virtualization on CPU1 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] BUG: at arch/i386/kernel/smp.c:692 smp_call_function_single() May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [smp_call_function_single+213/272] smp_call_function_single+0xd5/0x110 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [<f8c96c40>] decache_vcpus_on_cpu+0x10/0xa0 [kvm] May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [<f8c96d73>] kvm_cpu_hotplug+0x73/0x80 [kvm] May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [notifier_call_chain+37/48] notifier_call_chain+0x25/0x30 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [_cpu_down+73/496] _cpu_down+0x49/0x1f0 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [disable_nonboot_cpus+108/272] disable_nonboot_cpus+0x6c/0x110 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [printk+27/32] printk+0x1b/0x20 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [enter_state+124/496] enter_state+0x7c/0x1f0 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [state_store+177/192] state_store+0xb1/0xc0 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [state_store+0/192] state_store+0x0/0xc0 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [subsys_attr_store+41/64] subsys_attr_store+0x29/0x40 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [sysfs_write_file+159/256] sysfs_write_file+0x9f/0x100 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [vfs_write+190/400] vfs_write+0xbe/0x190 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [sysfs_write_file+0/256] sysfs_write_file+0x0/0x100 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [sys_write+65/112] sys_write+0x41/0x70 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [sysenter_past_esp+105/169] sysenter_past_esp+0x69/0xa9 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] [xfrm_state_find+1251/1392] xfrm_state_find+0x4e3/0x570 May 20 14:06:54 azvoleff-laptop kernel: [ 569.812000] ======================= May 20 14:06:55 azvoleff-laptop kernel: [ 569.928000] CPU 1 is now offline May 20 14:06:55 azvoleff-laptop kernel: [ 569.928000] SMP alternatives: switching to UP code -- Cannot resume from suspend with kvm modules loaded https://bugs.launchpad.net/bugs/113038 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
