could be a regression due to patches from bug 1950974, although there
are also >1100 patches from stable@
are you able to bisect?
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: New => Incomplete
** Tags added: block-proposed
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem-5.14 in Ubuntu.
https://bugs.launchpad.net/bugs/1958850
Title:
USB port lost function after unplugging usb drive
Status in OEM Priority Project:
New
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux-oem-5.14 source package in Focal:
Incomplete
Bug description:
Test the proposed 5.14 oem kernel, and get a failure symptom.
Unplug a usb drive from WD19TB docking and a BUG reported in kernel,
then the other embedded usb port can't detect usb drive anymore after
a while.
kernel: usb 5-2.3.3: USB disconnect, device number 5
kernel: BUG: kernel NULL pointer dereference, address: 0000000000000030
kernel: #PF: supervisor read access in kernel mode
kernel: #PF: error_code(0x0000) - not-present page
kernel: PGD 0 P4D 0
kernel: Oops: 0000 [#1] SMP NOPTI
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu71
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: u 2205 F.... pulseaudio
/dev/snd/controlC0: u 2205 F.... pulseaudio
CasperMD5CheckResult: pass
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 21.10
InstallationDate: Installed on 2021-04-29 (270 days ago)
InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
MachineType: Dell Inc. Precision 5750
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.14.0-1021-oem
root=UUID=834a3a4a-65e5-44ed-8f1a-4bdd2df3cce2 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.14.0-1021.23-oem 5.14.21
RelatedPackageVersions:
linux-restricted-modules-5.14.0-1021-oem N/A
linux-backports-modules-5.14.0-1021-oem N/A
linux-firmware 1.201.3
Tags: impish
Uname: Linux 5.14.0-1021-oem x86_64
UpgradeStatus: Upgraded to impish on 2022-01-06 (18 days ago)
UserGroups: adm cdrom dip docker lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 11/18/2021
dmi.bios.release: 1.11
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.11.1
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.11.1:bd11/18/2021:br1.11:svnDellInc.:pnPrecision5750:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct10:cvr:sku0990:
dmi.product.family: Precision
dmi.product.name: Precision 5750
dmi.product.sku: 0990
dmi.sys.vendor: Dell Inc.
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