I will make a correction, this seems to happen when any VM is started. I managed to reproduce this by making a new VM and starting the debian net installer.
kernlog: Apr 12 14:21:38 swblade kernel: [ 301.144991] mce: [Hardware Error]: Machine check events logged Apr 12 14:28:42 swblade kernel: [ 725.940754] capability: warning: `VirtualBox' uses 32-bit capabilities (legacy support in use) Apr 12 14:31:35 swblade kernel: [ 898.872534] BUG: unable to handle kernel paging request at 00007fa543d35ff8 Apr 12 14:31:35 swblade kernel: [ 898.872556] IP: [<ffffffffc097ab0f>] 0xffffffffc097ab0f Apr 12 14:31:35 swblade kernel: [ 898.872572] PGD 20610f067 PUD 20b310067 PMD 18df70067 PTE 800000018dea5067 Apr 12 14:31:35 swblade kernel: [ 898.872590] Oops: 0001 [#1] SMP Apr 12 14:31:35 swblade kernel: [ 898.872599] Modules linked in: ctr ccm pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) binfmt_misc vboxdrv(OE) rfcomm bnep nls_iso8859_1 arc4 uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm btusb bluetooth iwlmvm mac80211 snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic joydev serio_raw snd_seq_midi snd_seq_midi_event iwlwifi snd_rawmidi thinkpad_acpi snd_hda_intel snd_hda_controller snd_hda_codec nvram cfg80211 snd_hwdep snd_pcm lpc_ich shpchp mei_me mei snd_seq snd_seq_device snd_timer snd soundcore mac_hid parport_pc ppdev lp parport autofs4 dm_crypt crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd i915 psmouse ahci i2c_algo_bit libahci e1000e drm_kms_helper ptp drm pps_core wmi video Apr 12 14:31:35 swblade kernel: [ 898.872824] CPU: 3 PID: 4117 Comm: EMT Tainted: G OE 3.19.0-12-generic #12-Ubuntu Apr 12 14:31:35 swblade kernel: [ 898.872844] Hardware name: LENOVO 20BSCTO1WW/20BSCTO1WW, BIOS N14ET25W (1.03 ) 12/01/2014 Apr 12 14:31:35 swblade kernel: [ 898.872863] task: ffff88021a225850 ti: ffff88020b334000 task.ti: ffff88020b334000 Apr 12 14:31:35 swblade kernel: [ 898.872880] RIP: 0010:[<ffffffffc097ab0f>] [<ffffffffc097ab0f>] 0xffffffffc097ab0f Apr 12 14:31:35 swblade kernel: [ 898.872900] RSP: 0018:ffff88020b337868 EFLAGS: 00010202 Apr 12 14:31:35 swblade kernel: [ 898.872912] RAX: 00007fa543d35ff8 RBX: ffff88020b337898 RCX: 0000000000000000 Apr 12 14:31:35 swblade kernel: [ 898.872929] RDX: 0000000000000ff8 RSI: 0000000000000000 RDI: ffff88020b337918 Apr 12 14:31:35 swblade kernel: [ 898.872945] RBP: ffff88020b337888 R08: ffff88020b334000 R09: 0000000000000000 Apr 12 14:31:35 swblade kernel: [ 898.872962] R10: ffff88020b337898 R11: 00000000000004ea R12: ffffc90026d92000 Apr 12 14:31:35 swblade kernel: [ 898.872978] R13: ffffffff8104aa32 R14: ffffffff8104aa32 R15: ffffc90026d92000 Apr 12 14:31:35 swblade kernel: [ 898.872995] FS: 00007fa5926c8700(0000) GS:ffff88024dcc0000(0000) knlGS:0000000000000000 Apr 12 14:31:35 swblade kernel: [ 898.873014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 12 14:31:35 swblade kernel: [ 898.873027] CR2: 00007fa543d35ff8 CR3: 0000000206072000 CR4: 00000000003427e0 Apr 12 14:31:35 swblade kernel: [ 898.873044] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 Apr 12 14:31:35 swblade kernel: [ 898.873060] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Apr 12 14:31:35 swblade kernel: [ 898.873076] Stack: Apr 12 14:31:35 swblade kernel: [ 898.873081] 0000000000000000 ffff88020b337960 ffff88020b3379b8 ffffffff8104aa32 Apr 12 14:31:35 swblade kernel: [ 898.873100] ffff88020b337928 ffffffffc097af4d ffffffff8104aa32 0000000000000000 Apr 12 14:31:35 swblade kernel: [ 898.873118] 0000000000000000 0000000000000000 00007fa543d35000 00007fa543d35ff8 Apr 12 14:31:35 swblade kernel: [ 898.873137] Call Trace: Apr 12 14:31:35 swblade kernel: [ 898.873147] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873161] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873176] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873190] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873206] [<ffffffff810ae652>] ? enqueue_task_fair+0x3d2/0x700 Apr 12 14:31:35 swblade kernel: [ 898.873221] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873238] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873252] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873269] [<ffffffff8104aa32>] ? setup_APIC_timer+0xc2/0x100 Apr 12 14:31:35 swblade kernel: [ 898.873291] [<ffffffffc0898b25>] ? VBoxHost_RTSpinlockRelease+0x35/0x40 [vboxdrv] Apr 12 14:31:35 swblade kernel: [ 898.873316] [<ffffffffc088a0ca>] ? supdrvIOCtlFast+0x9a/0xb0 [vboxdrv] Apr 12 14:31:35 swblade kernel: [ 898.873335] [<ffffffffc088643b>] ? VBoxDrvLinuxIOCtl_4_3_26+0x4b/0x240 [vboxdrv] Apr 12 14:31:35 swblade kernel: [ 898.873354] [<ffffffff81207ac0>] ? do_vfs_ioctl+0x2e0/0x4e0 Apr 12 14:31:35 swblade kernel: [ 898.873369] [<ffffffff817c4178>] ? __schedule+0x148/0x8e0 Apr 12 14:31:35 swblade kernel: [ 898.873383] [<ffffffff81207d41>] ? SyS_ioctl+0x81/0xa0 Apr 12 14:31:35 swblade kernel: [ 898.873396] [<ffffffff817c928d>] ? system_call_fastpath+0x16/0x1b Apr 12 14:31:35 swblade kernel: [ 898.873410] Code: 89 2b 49 8b 84 24 c8 47 00 00 48 85 c0 48 89 43 20 0f 84 b9 02 00 00 4c 89 ea 48 c1 ea 24 81 e2 f8 0f 00 00 48 01 d0 48 89 43 28 <48> 8b 30 40 f6 c6 01 48 89 73 30 0f 84 20 02 00 00 49 85 b4 24 Apr 12 14:31:35 swblade kernel: [ 898.873485] RIP [<ffffffffc097ab0f>] 0xffffffffc097ab0f Apr 12 14:31:35 swblade kernel: [ 898.873499] RSP <ffff88020b337868> Apr 12 14:31:35 swblade kernel: [ 898.873507] CR2: 00007fa543d35ff8 Apr 12 14:31:35 swblade kernel: [ 898.884163] ---[ end trace 68fb1654f5e50dfe ]--- Please let me know if I can be of any assistance debugging this. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1443152 Title: BUG: unable to handle kernel paging request at 00007fe416858408 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1443152/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
