** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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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
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