Hi there, I have upgraded to Kubuntu 20.04 and the bug still occurs with Kernel 5.4.0-37-generic Is there anything I can do to provide more information? Or is there another kernel I should use?
$ uname -a Linux 5.4.0-37-generic #41-Ubuntu SMP Wed Jun 3 18:57:02 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux $ lsb_release -a Distributor ID: Ubuntu Description: Ubuntu 20.04 LTS Release: 20.04 Codename: focal kernel: [ 559.983153] BUG: kernel NULL pointer dereference, address: 00000000000002de kernel: [ 559.983162] #PF: supervisor read access in kernel mode kernel: [ 559.983165] #PF: error_code(0x0000) - not-present page kernel: [ 559.983168] PGD 0 P4D 0 kernel: [ 559.983176] Oops: 0000 [#1] SMP NOPTI kernel: [ 559.983182] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.4.0-37-generic #41-Ubuntu kernel: [ 559.983185] Hardware name: LENOVO 20N80029GE/20N80029GE, BIOS R0YET43W (1.26 ) 03/30/2020 kernel: [ 559.983198] Workqueue: events ucsi_connector_change [typec_ucsi] kernel: [ 559.983211] RIP: 0010:typec_altmode_update_active+0x1f/0x100 [typec] kernel: [ 559.983216] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 45 e8 31 c0 <0f> b6 87 dc 02 00 00 83 e0 01 40 38 f0 0f 84 95 00 00 00 48 8b 47 kernel: [ 559.983220] RSP: 0018:ffffbde7400b7db8 EFLAGS: 00010246 kernel: [ 559.983224] RAX: 0000000000000000 RBX: ffff99ad0da16270 RCX: 0000000000000000 kernel: [ 559.983227] RDX: ffff99ad0c2d3628 RSI: 0000000000000000 RDI: 0000000000000002 kernel: [ 559.983231] RBP: ffffbde7400b7dd8 R08: 0000000000000219 R09: 000000000042061e kernel: [ 559.983234] R10: 0000000000001168 R11: 0000000000000000 R12: 0000000000000000 kernel: [ 559.983237] R13: ffff99ad0da16010 R14: ffff99ad0da16000 R15: ffff99ad0da162c0 kernel: [ 559.983241] FS: 0000000000000000(0000) GS:ffff99ad21200000(0000) knlGS:0000000000000000 kernel: [ 559.983245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: [ 559.983248] CR2: 00000000000002de CR3: 00000004bd80a001 CR4: 00000000003606f0 kernel: [ 559.983251] Call Trace: kernel: [ 559.983263] ucsi_altmode_update_active+0xab/0xf0 [typec_ucsi] kernel: [ 559.983271] ucsi_connector_change+0x1ae/0x340 [typec_ucsi] kernel: [ 559.983282] process_one_work+0x1eb/0x3b0 kernel: [ 559.983288] worker_thread+0x4d/0x400 kernel: [ 559.983295] kthread+0x104/0x140 kernel: [ 559.983301] ? process_one_work+0x3b0/0x3b0 kernel: [ 559.983305] ? kthread_park+0x90/0x90 kernel: [ 559.983314] ret_from_fork+0x1f/0x40 kernel: [ 559.983319] Modules linked in: typec_displayport uas usb_storage vmw_vsock_vmci_transport vsock vmw_vmci rfcomm cdc_ether usbnet snd_usb_audio snd_usbmidi_lib r8152 mii cmac algif_hash algif_skcipher af_alg bnep uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common btusb btrtl btbcm btintel bluetooth ecdh_generic ecc binfmt_misc nls_iso8859_1 mei_hdcp intel_rapl_msr snd_sof_pci snd_sof_intel_hda_common snd_soc_hdac_hda snd_sof_intel_hda snd_sof_intel_byt snd_sof_intel_ipc snd_sof snd_sof_xtensa_dsp x86_pkg_temp_thermal iwlmvm snd_hda_ext_core intel_powerclamp snd_soc_acpi_intel_match kvm_intel snd_soc_acpi mac80211 kvm snd_soc_core snd_hda_codec_hdmi snd_seq_midi snd_hda_codec_conexant libarc4 snd_hda_codec_generic snd_seq_midi_event snd_compress intel_cstate ac97_bus snd_pcm_dmaengine intel_rapl_perf snd_rawmidi joydev snd_hda_intel snd_intel_dspcfg input_leds snd_hda_codec serio_raw iwlwifi intel_wmi_thunderbolt snd_seq wmi_bmof snd_hda_core snd_hwdep thinkpad_acpi kernel: [ 559.983383] cfg80211 snd_pcm nvram ledtrig_audio snd_seq_device snd_timer processor_thermal_device mei_me ucsi_acpi intel_rapl_common typec_ucsi mei intel_soc_dts_iosf intel_pch_thermal typec snd soundcore int3403_thermal int340x_thermal_zone int3400_thermal acpi_thermal_rel mac_hid acpi_pad nf_log_ipv6 ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_log_ipv4 nf_log_common ipt_REJECT nf_reject_ipv4 xt_LOG xt_limit xt_addrtype xt_tcpudp sch_fq_codel xt_conntrack nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c videodev mc coretemp ip6table_filter parport_pc ip6_tables iptable_filter ppdev bpfilter lp parport ip_tables x_tables autofs4 dm_crypt hid_plantronics hid_generic usbhid hid mmc_block crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel crypto_simd amdgpu i915 amd_iommu_v2 cryptd gpu_sched glue_helper ttm psmouse i2c_algo_bit nvme drm_kms_helper nvme_core i2c_i801 r8169 syscopyarea sysfillrect realtek sysimgblt sdhci_pci fb_sys_fops cqhci drm sdhci wmi video kernel: [ 559.983454] pinctrl_cannonlake pinctrl_intel kernel: [ 559.983462] CR2: 00000000000002de kernel: [ 559.983468] ---[ end trace 2246881156bc6574 ]--- kernel: [ 559.983477] RIP: 0010:typec_altmode_update_active+0x1f/0x100 [typec] kernel: [ 559.983482] Code: 0f 1f 84 00 00 00 00 00 0f 1f 00 0f 1f 44 00 00 55 48 89 e5 41 54 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 45 e8 31 c0 <0f> b6 87 dc 02 00 00 83 e0 01 40 38 f0 0f 84 95 00 00 00 48 8b 47 kernel: [ 559.983485] RSP: 0018:ffffbde7400b7db8 EFLAGS: 00010246 kernel: [ 559.983488] RAX: 0000000000000000 RBX: ffff99ad0da16270 RCX: 0000000000000000 kernel: [ 559.983491] RDX: ffff99ad0c2d3628 RSI: 0000000000000000 RDI: 0000000000000002 kernel: [ 559.983494] RBP: ffffbde7400b7dd8 R08: 0000000000000219 R09: 000000000042061e kernel: [ 559.983497] R10: 0000000000001168 R11: 0000000000000000 R12: 0000000000000000 kernel: [ 559.983500] R13: ffff99ad0da16010 R14: ffff99ad0da16000 R15: ffff99ad0da162c0 kernel: [ 559.983504] FS: 0000000000000000(0000) GS:ffff99ad21200000(0000) knlGS:0000000000000000 kernel: [ 559.983507] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kernel: [ 559.983510] CR2: 00000000000002de CR3: 00000004bd80a001 CR4: 00000000003606f0 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1870140 Title: Laptop freeze after unplug power-AC (USB-C) Status in linux package in Ubuntu: Confirmed Bug description: ## Power adapter plugged in, charging goes well [ 1018.621820] asus_wmi: Unknown key cf pressed ## Power adapter unplugged, after few moments system freeze [ 567.444810] BUG: kernel NULL pointer dereference, address: 0000000000000080 [ 567.444819] #PF: supervisor read access in kernel mode [ 567.444823] #PF: error_code(0x0000) - not-present page [ 567.444827] PGD 0 P4D 0 [ 567.444834] Oops: 0000 [#1] PREEMPT SMP PTI [ 567.444841] CPU: 0 PID: 2873 Comm: kworker/0:0 Not tainted 5.5.11-151.current #1 [ 567.444845] Hardware name: ASUSTeK COMPUTER INC. UX370UAR/UX370UAR, BIOS UX370UAR.310 04/17/2019 [ 567.444857] Workqueue: events ucsi_handle_connector_change [typec_ucsi] [ 567.444868] RIP: 0010:ucsi_displayport_remove_partner+0xa/0x20 [typec_ucsi] [ 567.444874] Code: 38 00 c7 43 28 00 00 00 00 48 83 c7 10 5b e9 6d cd 75 e1 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 48 85 ff 74 0f <48> 8b 47 78 48 c7 00 00 00 00 00 c6 40 3d 00 c3 66 0f 1f 44 00 00 [ 567.444878] RSP: 0018:ffffc90000477df0 EFLAGS: 00010202 [ 567.444883] RAX: 0000000000000008 RBX: ffff88844685c418 RCX: 00000000000efd00 [ 567.444886] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008 [ 567.444889] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffc90000477ce0 [ 567.444892] R10: ffff888443e9f218 R11: ffff88844edeb478 R12: ffff88844685c418 [ 567.444895] R13: 0000000000000001 R14: ffff88844685c2a8 R15: 0000000000000000 [ 567.444900] FS: 0000000000000000(0000) GS:ffff88844ec00000(0000) knlGS:0000000000000000 [ 567.444903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 567.444906] CR2: 0000000000000080 CR3: 000000000240a006 CR4: 00000000003606f0 [ 567.444909] Call Trace: [ 567.444921] ucsi_unregister_altmodes+0x7b/0x90 [typec_ucsi] [ 567.444930] ucsi_unregister_partner.part.0+0x13/0x30 [typec_ucsi] [ 567.444938] ucsi_handle_connector_change+0x231/0x310 [typec_ucsi] [ 567.444949] ? kmem_cache_free+0x22a/0x290 [ 567.444960] process_one_work+0x1e1/0x3d0 [ 567.444968] worker_thread+0x4a/0x3d0 [ 567.444976] kthread+0xfb/0x130 [ 567.444983] ? process_one_work+0x3d0/0x3d0 [ 567.444988] ? kthread_park+0x90/0x90 [ 567.444998] ret_from_fork+0x35/0x40 [ 567.445006] Modules linked in: typec_displayport hidp rfcomm ccm cmac fuse snd_hda_codec_hdmi joydev snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio bnep intel_rapl_msr snd_soc_skl snd_soc_hdac_hda snd_hda_ext_core snd_soc_sst_ipc snd_soc_sst_dsp snd_soc_acpi_intel_match snd_soc_acpi iTCO_wdt hid_multitouch iTCO_vendor_support mei_hdcp iwlmvm intel_rapl_common snd_soc_core mac80211 snd_compress libarc4 x86_pkg_temp_thermal intel_powerclamp snd_pcm_dmaengine uvcvideo ac97_bus coretemp videobuf2_vmalloc videobuf2_memops i915 snd_hda_intel videobuf2_v4l2 snd_intel_dspcfg iwlwifi kvm_intel videobuf2_common hid_sensor_accel_3d i2c_algo_bit videodev snd_hda_codec btusb hid_sensor_trigger kvm industrialio_triggered_buffer snd_hda_core drm_kms_helper kfifo_buf btrtl btbcm syscopyarea snd_hwdep sysfillrect btintel industrialio asus_nb_wmi irqbypass mc wmi_bmof asus_wmi evdev sysimgblt hid_sensor_iio_common bluetooth cfg80211 sparse_keymap snd_pcm fb_sys_fops i2c_i801 ucsi_acpi snd_timer [ 567.445072] typec_ucsi efivars snd soundcore spi_pxa2xx_platform mei_me dw_dmac rfkill thermal typec i2c_designware_platform mei i2c_designware_core drm elan_i2c ac tpm_tis tpm_tis_core pinctrl_sunrisepoint tpm pinctrl_intel rng_core asus_wireless acpi_pad button hid_sensor_hub hid_generic intel_ishtp_hid xhci_pci serio_raw xhci_hcd intel_ish_ipc usbcore intel_ishtp usb_common wmi i2c_hid hid battery video [ 567.445112] CR2: 0000000000000080 [ 567.445117] ---[ end trace a50cf550f0b4969a ]--- [ 567.445126] RIP: 0010:ucsi_displayport_remove_partner+0xa/0x20 [typec_ucsi] [ 567.445132] Code: 38 00 c7 43 28 00 00 00 00 48 83 c7 10 5b e9 6d cd 75 e1 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 0f 1f 44 00 00 48 85 ff 74 0f <48> 8b 47 78 48 c7 00 00 00 00 00 c6 40 3d 00 c3 66 0f 1f 44 00 00 [ 567.445136] RSP: 0018:ffffc90000477df0 EFLAGS: 00010202 [ 567.445140] RAX: 0000000000000008 RBX: ffff88844685c418 RCX: 00000000000efd00 [ 567.445143] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000008 [ 567.445146] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffc90000477ce0 [ 567.445149] R10: ffff888443e9f218 R11: ffff88844edeb478 R12: ffff88844685c418 [ 567.445152] R13: 0000000000000001 R14: ffff88844685c2a8 R15: 0000000000000000 [ 567.445156] FS: 0000000000000000(0000) GS:ffff88844ec00000(0000) knlGS:0000000000000000 [ 567.445159] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 567.445163] CR2: 0000000000000080 CR3: 000000000240a006 CR4: 00000000003606f0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1870140/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
