Is this still active in some way? Laptop: ASUS BU201 uname -a Linux ... 4.4.0-144-generic #170~14.04.1-Ubuntu SMP Mon Mar 18 15:02:05 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux Is this still the right place to go? % cat /etc/apt/sources.list.d/iacobs-au6601-trusty.list deb http://ppa.launchpad.net/iacobs/au6601/ubuntu trusty main deb-src http://ppa.launchpad.net/iacobs/au6601/ubuntu trusty main Bombs out with kernel NULL pointer dereference: [So Apr 14 17:36:41 2019] BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 [So Apr 14 17:36:41 2019] IP: [] au6601_irq+0x2c1/0x390 [au6601_pci] [So Apr 14 17:36:41 2019] PGD 0 [So Apr 14 17:36:41 2019] Oops: 0002 [#1] SMP [So Apr 14 17:36:41 2019] Modules linked in: au6601_pci(OE) dvb_usb_au6610 dvb_usb_v2 dvb_core rc_core btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c drbg ansi_cprng ctr ccm arc4 cmac wl(POE) rfcomm bnep asus_nb_wmi asus_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_memops dm_multipath videobuf2_v4l2 intel_rapl videobuf2_core x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm kvm_intel kvm v4l2_common mac80211 videodev irqbypass crct10dif_pclmul crc32_pclmul media ghash_clmulni_intel binfmt_misc aesni_intel iwlwifi aes_x86_64 lrw snd_hda_codec_conexant gf128mul cfg80211 glue_helper snd_hda_codec_generic ablk_helper cryptd snd_hda_codec_hdmi btusb btrtl btbcm btintel snd_seq_midi snd_seq_midi_event snd_hda_intel input_leds joydev snd_hda_codec bluetooth snd_rawmidi serio_raw snd_hda_core snd_hwdep snd_pcm_oss snd_mixer_oss snd_seq snd_pcm lpc_ich snd_seq_device shpchp snd_timer mei_me mei snd soundcore processor_thermal_device intel_soc_dts_iosf dell_smo8800 parport_pc int3402_thermal int340x_thermal_zone intel_smartconnect ppdev int3400_thermal acpi_thermal_rel mac_hid lp parport dm_mirror dm_region_hash dm_log uas usb_storage hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper e1000e psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops ahci ptp drm libahci pps_core wmi video fjes [So Apr 14 17:36:41 2019] CPU: 1 PID: 21284 Comm: irq/17-au6601 h Tainted: P OE 4.4.0-144-generic #170~14.04.1-Ubuntu [So Apr 14 17:36:41 2019] Hardware name: ASUSTeK COMPUTER INC. BU201LA/BU201LA, BIOS BU201LA.204 08/12/2014 [So Apr 14 17:36:41 2019] task: ffff8800526a8000 ti: ffff8801b8cac000 task.ti: ffff8801b8cac000 [So Apr 14 17:36:41 2019] RIP: 0010:[] [] au6601_irq+0x2c1/0x390 [au6601_pci] [So Apr 14 17:36:41 2019] RSP: 0018:ffff8801b8cafe08 EFLAGS: 00010206 [So Apr 14 17:36:41 2019] RAX: 0000000000000000 RBX: 0000000001108000 RCX: 0000000000000000 [So Apr 14 17:36:41 2019] RDX: 0000000000000001 RSI: ffff88021de90598 RDI: ffff8800d80d3540 [So Apr 14 17:36:41 2019] RBP: ffff8801b8cafe28 R08: 000000000000000a R09: 0000000000000000 [So Apr 14 17:36:41 2019] R10: 0000000000000000 R11: 0000000000000537 R12: ffff8800d80d3540 [So Apr 14 17:36:41 2019] R13: ffff8800d80d3590 R14: 0000000000100000 R15: ffffffff810dd4c0 [So Apr 14 17:36:41 2019] FS: 0000000000000000(0000) GS:ffff88021de80000(0000) knlGS:0000000000000000 [So Apr 14 17:36:41 2019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [So Apr 14 17:36:41 2019] CR2: 0000000000000020 CR3: 0000000002e0c000 CR4: 0000000000160670 [So Apr 14 17:36:41 2019] Stack: [So Apr 14 17:36:41 2019] ffff8800908d3a80 ffff8800908d3a80 ffff8802142bd800 ffff8802142bd800 [So Apr 14 17:36:41 2019] ffff8801b8cafe50 ffffffff810dd4e4 ffff8800526a8000 ffff8800908d3a80 [So Apr 14 17:36:41 2019] ffff8800526a8000 ffff8801b8cafec0 ffffffff810dd809 ffff8801b8cafea8 [So Apr 14 17:36:41 2019] Call Trace: [So Apr 14 17:36:41 2019] [] irq_thread_fn+0x24/0x50 [So Apr 14 17:36:41 2019] [] irq_thread+0x119/0x1c0 [So Apr 14 17:36:41 2019] [] ? irq_forced_thread_fn+0x70/0x70 [So Apr 14 17:36:41 2019] [] ? irq_thread_check_affinity+0xd0/0xd0 [So Apr 14 17:36:41 2019] [] kthread+0xd8/0xf0 [So Apr 14 17:36:41 2019] [] ? __schedule+0x2a2/0x840 [So Apr 14 17:36:41 2019] [] ? kthread_create_on_node+0x1f0/0x1f0 [So Apr 14 17:36:41 2019] [] ret_from_fork+0x55/0x80 [So Apr 14 17:36:41 2019] [] ? kthread_create_on_node+0x1f0/0x1f0 [So Apr 14 17:36:41 2019] Code: ff 49 8b 7c 24 08 31 c0 44 89 f2 48 c7 c6 68 36 1c c1 e8 03 b8 38 c0 f7 c3 00 00 70 00 0f 84 69 fe ff ff 49 8b 44 24 38 4c 89 e7 40 20 92 ff ff ff e8 13 f5 ff ff e9 50 fe ff ff 41 8b 84 24 [So Apr 14 17:36:41 2019] RIP [] au6601_irq+0x2c1/0x390 [au6601_pci] [So Apr 14 17:36:41 2019] RSP [So Apr 14 17:36:41 2019] CR2: 0000000000000020 [So Apr 14 17:36:41 2019] ---[ end trace 3eda3cf20d331161 ]--- [So Apr 14 17:36:41 2019] BUG: unable to handle kernel paging request at ffffffffffffffd8 [So Apr 14 17:36:41 2019] IP: [] kthread_data+0x10/0x20 [So Apr 14 17:36:41 2019] PGD 2e11067 PUD 2e13067 PMD 0 [So Apr 14 17:36:41 2019] Oops: 0000 [#2] SMP [So Apr 14 17:36:41 2019] Modules linked in: au6601_pci(OE) dvb_usb_au6610 dvb_usb_v2 dvb_core rc_core btrfs xor raid6_pq ufs qnx4 hfsplus hfs minix ntfs msdos jfs xfs libcrc32c drbg ansi_cprng ctr ccm arc4 cmac wl(POE) rfcomm bnep asus_nb_wmi asus_wmi sparse_keymap uvcvideo videobuf2_vmalloc videobuf2_memops dm_multipath videobuf2_v4l2 intel_rapl videobuf2_core x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm kvm_intel kvm v4l2_common mac80211 videodev irqbypass crct10dif_pclmul crc32_pclmul media ghash_clmulni_intel binfmt_misc aesni_intel iwlwifi aes_x86_64 lrw snd_hda_codec_conexant gf128mul cfg80211 glue_helper snd_hda_codec_generic ablk_helper cryptd snd_hda_codec_hdmi btusb btrtl btbcm btintel snd_seq_midi snd_seq_midi_event snd_hda_intel input_leds joydev snd_hda_codec bluetooth snd_rawmidi serio_raw snd_hda_core snd_hwdep snd_pcm_oss snd_mixer_oss snd_seq snd_pcm lpc_ich snd_seq_device shpchp snd_timer mei_me mei snd soundcore processor_thermal_device intel_soc_dts_iosf dell_smo8800 parport_pc int3402_thermal int340x_thermal_zone intel_smartconnect ppdev int3400_thermal acpi_thermal_rel mac_hid lp parport dm_mirror dm_region_hash dm_log uas usb_storage hid_generic usbhid hid i915 i2c_algo_bit drm_kms_helper e1000e psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops ahci ptp drm libahci pps_core wmi video fjes [So Apr 14 17:36:41 2019] CPU: 1 PID: 21284 Comm: irq/17-au6601 h Tainted: P D OE 4.4.0-144-generic #170~14.04.1-Ubuntu [So Apr 14 17:36:41 2019] Hardware name: ASUSTeK COMPUTER INC. BU201LA/BU201LA, BIOS BU201LA.204 08/12/2014 [So Apr 14 17:36:41 2019] task: ffff8800526a8000 ti: ffff8801b8cac000 task.ti: ffff8801b8cac000 [So Apr 14 17:36:41 2019] RIP: 0010:[] [] kthread_data+0x10/0x20 [So Apr 14 17:36:41 2019] RSP: 0018:ffff8801b8cafb38 EFLAGS: 00010202 [So Apr 14 17:36:41 2019] RAX: 0000000000000000 RBX: ffff8800526a8000 RCX: 0000000000000134 [So Apr 14 17:36:41 2019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8800526a8000 [So Apr 14 17:36:41 2019] RBP: ffff8801b8cafb38 R08: 0000000000000000 R09: 0000000000000001 [So Apr 14 17:36:41 2019] R10: ffffffff811a9780 R11: ffff8801b8caf7b8 R12: ffff8800526a86a8 [So Apr 14 17:36:41 2019] R13: 0000000000000000 R14: ffff8800526a8000 R15: 0000000000000020 [So Apr 14 17:36:41 2019] FS: 0000000000000000(0000) GS:ffff88021de80000(0000) knlGS:0000000000000000 [So Apr 14 17:36:41 2019] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [So Apr 14 17:36:41 2019] CR2: ffffffffffffffd8 CR3: 0000000002e0c000 CR4: 0000000000160670 [So Apr 14 17:36:41 2019] Stack: [So Apr 14 17:36:41 2019] ffff8801b8cafb58 ffffffff810dd5a3 ffffffff82116fb0 ffff8800526a86a8 [So Apr 14 17:36:41 2019] ffff8801b8cafb88 ffffffff810a0c57 0000000000000009 0000000000000000 [So Apr 14 17:36:41 2019] 0000000000000000 ffff8800526a8000 ffff8801b8cafbf0 ffffffff8108586c [So Apr 14 17:36:41 2019] Call Trace: [So Apr 14 17:36:41 2019] [] irq_thread_dtor+0x23/0xa0 [So Apr 14 17:36:41 2019] [] task_work_run+0x97/0xb0 [So Apr 14 17:36:41 2019] [] do_exit+0x2bc/0xb40 [So Apr 14 17:36:41 2019] [] oops_end+0xa4/0x100 [So Apr 14 17:36:41 2019] [] no_context+0x10d/0x370 [So Apr 14 17:36:41 2019] [] ? dev_vprintk_emit+0xc3/0x240 [So Apr 14 17:36:41 2019] [] __bad_area_nosemaphore+0x109/0x210 [So Apr 14 17:36:41 2019] [] bad_area_nosemaphore+0x13/0x20 [So Apr 14 17:36:41 2019] [] __do_page_fault+0x99/0x430 [So Apr 14 17:36:41 2019] [] ? irq_finalize_oneshot+0x130/0x130 [So Apr 14 17:36:41 2019] [] do_page_fault+0x22/0x30 [So Apr 14 17:36:41 2019] [] page_fault+0x28/0x30 [So Apr 14 17:36:41 2019] [] ? irq_finalize_oneshot+0x130/0x130 [So Apr 14 17:36:41 2019] [] ? au6601_irq+0x2c1/0x390 [au6601_pci] [So Apr 14 17:36:41 2019] [] ? au6601_irq+0x2ad/0x390 [au6601_pci] [So Apr 14 17:36:41 2019] [] irq_thread_fn+0x24/0x50 [So Apr 14 17:36:41 2019] [] irq_thread+0x119/0x1c0 [So Apr 14 17:36:41 2019] [] ? irq_forced_thread_fn+0x70/0x70 [So Apr 14 17:36:41 2019] [] ? irq_thread_check_affinity+0xd0/0xd0 [So Apr 14 17:36:41 2019] [] kthread+0xd8/0xf0 [So Apr 14 17:36:41 2019] [] ? __schedule+0x2a2/0x840 [So Apr 14 17:36:41 2019] [] ? kthread_create_on_node+0x1f0/0x1f0 [So Apr 14 17:36:41 2019] [] ret_from_fork+0x55/0x80 [So Apr 14 17:36:41 2019] [] ? kthread_create_on_node+0x1f0/0x1f0 [So Apr 14 17:36:41 2019] Code: be 4f 02 00 00 48 c7 c7 98 01 cc 81 e8 ca fb fd ff e9 59 fe ff ff 0f 1f 44 00 00 0f 1f 44 00 00 55 48 8b 87 20 05 00 00 48 89 e5 <48> 8b 40 d8 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 [So Apr 14 17:36:41 2019] RIP [] kthread_data+0x10/0x20 [So Apr 14 17:36:41 2019] RSP [So Apr 14 17:36:41 2019] CR2: ffffffffffffffd8 [So Apr 14 17:36:41 2019] ---[ end trace 3eda3cf20d331162 ]--- [So Apr 14 17:36:41 2019] Fixing recursive fault but reboot is needed!