Due to the nature of the data on the machine and the fact that I don't know what apport will send, I'm unable to execute the apport-collect. # Some data from /usr/bin/crash: KERNEL: /usr/lib/debug/boot/vmlinux-4.4.0-78-generic DUMPFILE: dump.201705181342 [PARTIAL DUMP] CPUS: 4 DATE: Thu May 18 13:42:12 2017 UPTIME: 00:16:34 LOAD AVERAGE: 0.21, 0.05, 0.01 TASKS: 547 NODENAME: RELEASE: 4.4.0-78-generic VERSION: #99-Ubuntu SMP Thu Apr 27 15:29:09 UTC 2017 MACHINE: x86_64 (2199 Mhz) MEMORY: 16 GB PANIC: "BUG: unable to handle kernel paging request at ffff88042a284000" PID: 0 COMMAND: "swapper/1" TASK: ffff88042a278000 (1 of 4) [THREAD_INFO: ffff88042a280000] CPU: 1 STATE: TASK_RUNNING (PANIC) # crash> bt PID: 0 TASK: ffff88042a278000 CPU: 1 COMMAND: "swapper/1" #0 [ffff88042a283b78] machine_kexec at ffffffff8105c0db #1 [ffff88042a283bd8] crash_kexec at ffffffff8110e572 #2 [ffff88042a283ca8] oops_end at ffffffff81031c49 #3 [ffff88042a283cd0] no_context at ffffffff8106ad35 #4 [ffff88042a283d30] __bad_area_nosemaphore at ffffffff8106b000 #5 [ffff88042a283d78] bad_area_nosemaphore at ffffffff8106b183 #6 [ffff88042a283d88] __do_page_fault at ffffffff8106b447 #7 [ffff88042a283de0] trace_do_page_fault at ffffffff8106b7f7 #8 [ffff88042a283e10] do_async_page_fault at ffffffff81063ef9 #9 [ffff88042a283e20] async_page_fault at ffffffff81842be8 #10 [ffff88042a283e38] tick_nohz_idle_exit at ffffffff810ff75e #11 [ffff88042a283ed8] cpu_startup_entry at ffffffff810c4736 #12 [ffff88042a283f30] start_secondary at ffffffff810517c4 # crash> bt -f # #9 [ffff88042a283e20] async_page_fault at ffffffff81842be8 ffff88042a283e28: ffff88042a280000 0000000000000000 ffff88042a283e38: ffffffff810ff75e #10 [ffff88042a283e38] tick_nohz_idle_exit at ffffffff810ff75e ffff88042a283e40: ffff88042a283ed0 ffffffff81f38d40 ffff88042a283e50: 000000e797438af0 0000000000004c00 ffff88042a283e60: 000000010002a665 0000000000000000 ffff88042a283e70: 000000000000000a 0000000000000001 ffff88042a283e80: 0000000000000000 0000000000000001 ffff88042a283e90: 0000000000000083 0000000000000083 ffff88042a283ea0: ffffffffffffffff ffff88042a284000 ffff88042a283eb0: 0000000000000010 0000000000010082 ffff88042a283ec0: ffff88042a283ed0 0000000000000018 ffff88042a283ed0: ffff88042a283f28 ffffffff810c4736 #11 [ffff88042a283ed8] cpu_startup_entry at ffffffff810c4736 ffff88042a283ee0: ffff88042a280000 ffff88042a284000 ffff88042a283ef0: ee041b0196f77cc4 a1abbcd2b8b123ce ffff88042a283f00: 0000000000000000 0000000000000000 ffff88042a283f10: 0000000000000000 0000000000000000 ffff88042a283f20: 0000000000000000 ffff88042a283f48 ffff88042a283f30: ffffffff810517c4 #12 [ffff88042a283f30] start_secondary at ffffffff810517c4 # crash> dis tick_nohz_idle_exit 0xffffffff810ff74f : mov %r12,0xa8(%rbx) 0xffffffff810ff756 : mov %r12,%rsi 0xffffffff810ff759 : callq 0xffffffff810ff170 0xffffffff810ff75e : mov 0xd0989b(%rip),%rdi # 0xffffffff81e09000 0xffffffff810ff765 : sub 0x78(%rbx),%rdi # lsmod info's Module Size Used by zfs 2813952 5 zunicode 331776 1 zfs zcommon 57344 1 zfs znvpair 90112 2 zfs,zcommon spl 102400 3 zfs,zcommon,znvpair zavl 16384 1 zfs ppdev 20480 0 input_leds 16384 0 shpchp 36864 0 serio_raw 16384 0 i2c_piix4 24576 0 8250_fintek 16384 0 parport_pc 32768 0 parport 49152 2 ppdev,parport_pc mac_hid 16384 0 autofs4 40960 2 ttm 94208 0 drm_kms_helper 155648 0 syscopyarea 16384 1 drm_kms_helper sysfillrect 16384 1 drm_kms_helper sysimgblt 16384 1 drm_kms_helper fb_sys_fops 16384 1 drm_kms_helper psmouse 131072 0 drm 364544 2 ttm,drm_kms_helper pata_acpi 16384 0 floppy 73728 0 No idea if this is useful though.