Workqueue: events dp_altmode_work [typec_displayport]
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
After rebooting the following was present in dmesg:
[ 242.931199] INFO: task kworker/6:2:174 blocked for more than 120 seconds.
[ 242.931210] Tainted: G OE 5.4.0-21-generic #25-Ubuntu
[ 242.931214] "echo 0 > /proc/sys/
[ 242.931218] kworker/6:2 D 0 174 2 0x80004000
[ 242.931239] Workqueue: events dp_altmode_work [typec_displayport]
[ 242.931243] Call Trace:
[ 242.931260] __schedule+
[ 242.931270] schedule+0x42/0xb0
[ 242.931278] schedule_
[ 242.931282] __mutex_
[ 242.931288] ? __switch_
[ 242.931291] ? __switch_
[ 242.931295] ? __switch_
[ 242.931299] ? __switch_
[ 242.931302] __mutex_
[ 242.931305] mutex_lock+
[ 242.931315] ucsi_send_
[ 242.931323] ucsi_displaypor
[ 242.931334] typec_altmode_
[ 242.931339] dp_altmode_
[ 242.931346] process_
[ 242.931352] worker_
[ 242.931357] kthread+0x104/0x140
[ 242.931362] ? process_
[ 242.931365] ? kthread_
[ 242.931370] ret_from_
[ 242.931384] INFO: task kworker/4:2:328 blocked for more than 120 seconds.
[ 242.931389] Tainted: G OE 5.4.0-21-generic #25-Ubuntu
[ 242.931391] "echo 0 > /proc/sys/
[ 242.931394] kworker/4:2 D 0 328 2 0x80004000
[ 242.931405] Workqueue: events_long ucsi_init [typec_ucsi]
[ 242.931407] Call Trace:
[ 242.931422] __schedule+
[ 242.931436] schedule+0x42/0xb0
[ 242.931441] schedule_
[ 242.931449] ? ttwu_do_
[ 242.931455] wait_for_
[ 242.931461] ? wake_up_q+0x70/0x70
[ 242.931467] __flush_
[ 242.931473] ? worker_
[ 242.931481] __cancel_
[ 242.931489] ? kernfs_
[ 242.931499] cancel_
[ 242.931507] dp_altmode_
[ 242.931520] typec_remove+
[ 242.931531] device_
[ 242.931540] device_
[ 242.931546] bus_remove_
[ 242.931552] device_
[ 242.931559] ? kfree+0x22b/0x240
[ 242.931565] device_
[ 242.931576] typec_unregiste
[ 242.931582] ucsi_unregister
[ 242.931588] ucsi_unregister
[ 242.931594] ucsi_init+
[ 242.931600] process_
[ 242.931605] worker_
[ 242.931609] kthread+0x104/0x140
[ 242.931614] ? process_
[ 242.931617] ? kthread_
[ 242.931622] ret_from_
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-
ProcVersionSign
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
/dev/snd/
CasperMD5CheckR
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 14 22:16:08 2020
InstallationDate: Installed on 2019-11-15 (151 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: Dell Inc. XPS 13 9370
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.187
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2020-04-04 (10 days ago)
dmi.bios.date: 12/11/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.12.1
dmi.board.name: 0F6P3V
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.family: XPS
dmi.product.name: XPS 13 9370
dmi.product.sku: 07E6
dmi.sys.vendor: Dell Inc.
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