[238816.117414] general protection fault: 0000 [#1] SMP 
[238816.123035] Modules linked in:
[238816.126495] CPU: 28 PID: 67083 Comm: usemem Tainted: G        W    3.9.0-05295-ga49fe6d-dirty #10
[238816.135727] Hardware name: FUJITSU-SV PRIMEQUEST 1800E2/SB, BIOS PRIMEQUEST 1000 Series BIOS Version 1.24 09/14/2011
[238816.146640] task: ffff88e0b4ac6db0 ti: ffff88f0323e2000 task.ti: ffff88f0323e2000
[238816.154462] RIP: 0010:[<ffffffff811cc2bd>]  [<ffffffff811cc2bd>] perf_output_read+0x35d/0x4d0
[238816.163689] RSP: 0018:ffff885fffa07bf8  EFLAGS: 00010006
[238816.169321] RAX: 0000d9324dccd475 RBX: ffff885fffa07d00 RCX: 0000000000000000
[238816.176808] RDX: 0000000000000c38 RSI: ffff885fffa07c28 RDI: ffff885fffa16748
[238816.184221] RBP: ffff885fffa07c78 R08: 0000ffffbf73df5a R09: 0000000000000030
[238816.191678] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[238816.199032] R13: 0000000000000008 R14: ffff885fffa07c28 R15: ffff885fffa16748
[238816.206524] FS:  00007f283be16700(0000) GS:ffff885fffa00000(0000) knlGS:0000000000000000
[238816.214912] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[238816.221019] CR2: 00007f3b1ba88f50 CR3: 0000000001e0b000 CR4: 00000000000007e0
[238816.228431] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[238816.235879] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[238816.243306] Stack:
[238816.245552]  0000b8180000b818 0000000000000000 ffff88a0cb4b6c20 ffff88a0cb4b6000
[238816.253808]  ffff885fffa07ef8 000000033f7ed14b 000000016806b6b5 000000016806b6b5
[238816.261897]  000000033f7ed14b 0000000000000001 ffff885fffa07c98 ffff885fffa07d00
[238816.269795] Call Trace:
[238816.272476]  <NMI> 
[238816.274664]  [<ffffffff811d1bc8>] perf_output_sample+0x3f8/0x840
[238816.281442]  [<ffffffff811d2333>] ? perf_prepare_sample+0x323/0x410
[238816.287927]  [<ffffffff811d26fb>] __perf_event_overflow+0x2db/0x350
[238816.294520]  [<ffffffff811d374c>] perf_event_overflow+0x1c/0x30
[238816.300868]  [<ffffffff8108fb9b>] intel_pmu_handle_irq+0x23b/0x530
[238816.307429]  [<ffffffff81980111>] perf_event_nmi_handler+0x31/0x40
[238816.313935]  [<ffffffff8197f371>] nmi_handle+0x71/0xd0
[238816.319328]  [<ffffffff8197f4f2>] do_nmi+0x122/0x550
[238816.324745]  [<ffffffff8197e5f7>] end_repeat_nmi+0x1e/0x2e
[238816.330637]  [<ffffffff8122a299>] ? page_remove_rmap+0x29/0x110
[238816.336869]  [<ffffffff8122a299>] ? page_remove_rmap+0x29/0x110
[238816.343115]  [<ffffffff8122a299>] ? page_remove_rmap+0x29/0x110
[238816.349330]  <<EOE>> 
[238816.351744]  [<ffffffff81217a80>] unmap_single_vma+0x790/0xbd0
[238816.358329]  [<ffffffff81218a6c>] unmap_vmas+0x6c/0x100
[238816.363897]  [<ffffffff81225e62>] exit_mmap+0x102/0x210
[238816.369430]  [<ffffffff8113a9d5>] ? exit_robust_list+0x135/0x2d0
[238816.375874]  [<ffffffff810c08b3>] mmput+0xb3/0x1d0
[238816.381079]  [<ffffffff810cd037>] do_exit+0x3e7/0x1100
[238816.386688]  [<ffffffff810dfb6a>] ? __dequeue_signal+0x18a/0x2e0
[238816.393215]  [<ffffffff810cdfb6>] do_group_exit+0x56/0x140
[238816.399019]  [<ffffffff810e46e3>] get_signal_to_deliver+0x453/0xaa0
[238816.405643]  [<ffffffff8106edd0>] do_signal+0x60/0x850
[238816.411216]  [<ffffffff8196d761>] ? is_prefetch+0x105/0x2d1
[238816.417194]  [<ffffffff8111ae67>] ? pick_next_task_fair+0x97/0x210
[238816.423807]  [<ffffffff8197b6e5>] ? __schedule+0x3e5/0xc10
[238816.429701]  [<ffffffff8106f6cc>] do_notify_resume+0x10c/0x140
[238816.435930]  [<ffffffff8197e1b5>] retint_signal+0x3d/0x78
[238816.441608] Code: 75 90 4d 39 f7 0f 84 f8 00 00 00 0f 1f 00 48 83 05 f0 c8 1b 01 01 4c 39 7d 98 74 15 49 8b 47 50 48 83 05 b6 c8 1b 01 01 4c 89 ff <ff> 90 80 00 00 00 49 8b 57 60 49 8b 47 68 48 01 d0 48 83 7d 88 
[238816.466815] RIP  [<ffffffff811cc2bd>] perf_output_read+0x35d/0x4d0
[238816.473527]  RSP <ffff885fffa07bf8>
[238816.480218] ---[ end trace ee78ebe26f18fa8b ]---
[238816.485194] Kernel panic - not syncing: Fatal exception in interrupt