Public bug reported:

latest ubuntu-kernels stop responding to usb storage devices all using
xhci_hcd:

- Prolific Technology, Inc. PL2773 SATAII bridge controller


maybe others too. Symptom: devices are shown in thunar, nautilus. They show up 
in /dev as /dev/sdXN, but clicking them in thunar or nautilus only gives the 
message "Pending operation".

"mount" will never finish. Trying to access these devices directly using
kernel functions, the called function never comes back.

A system shutdown will never finish.

I've tried some more recent kernels on a non-zfs system with same results:
- linux-5.15.0-rc1-x86_64
- linux-5.14.3-x86_64
- linux-5.13.16-x86_64
- linux-5.10.64-x86_64

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: linux-generic 5.11.0.34.36
ProcVersionSignature: Ubuntu 5.11.0-34.36-generic 5.11.22
Uname: Linux 5.11.0-34-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu65.3
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  tps        1991 F.... pulseaudio
CasperMD5CheckResult: pass
Date: Wed Sep 15 05:26:30 2021
InstallationDate: Installed on 2021-09-14 (0 days ago)
InstallationMedia: Xubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
MachineType: LENOVO 20FAS16K00
ProcEnviron:
 LANGUAGE=de_DE
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_eo9ngl@/vmlinuz-5.11.0-34-generic 
root=ZFS=rpool/ROOT/ubuntu_eo9ngl ro quiet splash vt.handoff=1
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-5.11.0-34-generic N/A
 linux-backports-modules-5.11.0-34-generic  N/A
 linux-firmware                             1.197.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/08/2021
dmi.bios.release: 1.52
dmi.bios.vendor: LENOVO
dmi.bios.version: N1CET84W (1.52 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FAS16K00
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.14
dmi.modalias: 
dmi:bvnLENOVO:bvrN1CET84W(1.52):bd07/08/2021:br1.52:efr1.14:svnLENOVO:pn20FAS16K00:pvrThinkPadT460s:skuLENOVO_MT_20FA_BU_Think_FM_ThinkPadT460s:rvnLENOVO:rn20FAS16K00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T460s
dmi.product.name: 20FAS16K00
dmi.product.sku: LENOVO_MT_20FA_BU_Think_FM_ThinkPad T460s
dmi.product.version: ThinkPad T460s
dmi.sys.vendor: LENOVO

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug hirsute

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https://bugs.launchpad.net/bugs/1943670

Title:
  kernel stops responding to some usb storage devices

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  latest ubuntu-kernels stop responding to usb storage devices all using
  xhci_hcd:

  - Prolific Technology, Inc. PL2773 SATAII bridge controller

  
  maybe others too. Symptom: devices are shown in thunar, nautilus. They show 
up in /dev as /dev/sdXN, but clicking them in thunar or nautilus only gives the 
message "Pending operation".

  "mount" will never finish. Trying to access these devices directly
  using kernel functions, the called function never comes back.

  A system shutdown will never finish.

  I've tried some more recent kernels on a non-zfs system with same results:
  - linux-5.15.0-rc1-x86_64
  - linux-5.14.3-x86_64
  - linux-5.13.16-x86_64
  - linux-5.10.64-x86_64

  ProblemType: Bug
  DistroRelease: Ubuntu 21.04
  Package: linux-generic 5.11.0.34.36
  ProcVersionSignature: Ubuntu 5.11.0-34.36-generic 5.11.22
  Uname: Linux 5.11.0-34-generic x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu65.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tps        1991 F.... pulseaudio
  CasperMD5CheckResult: pass
  Date: Wed Sep 15 05:26:30 2021
  InstallationDate: Installed on 2021-09-14 (0 days ago)
  InstallationMedia: Xubuntu 21.04 "Hirsute Hippo" - Release amd64 (20210420)
  MachineType: LENOVO 20FAS16K00
  ProcEnviron:
   LANGUAGE=de_DE
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=de_DE.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/BOOT/ubuntu_eo9ngl@/vmlinuz-5.11.0-34-generic 
root=ZFS=rpool/ROOT/ubuntu_eo9ngl ro quiet splash vt.handoff=1
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-5.11.0-34-generic N/A
   linux-backports-modules-5.11.0-34-generic  N/A
   linux-firmware                             1.197.3
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/08/2021
  dmi.bios.release: 1.52
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N1CET84W (1.52 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20FAS16K00
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40697 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.ec.firmware.release: 1.14
  dmi.modalias: 
dmi:bvnLENOVO:bvrN1CET84W(1.52):bd07/08/2021:br1.52:efr1.14:svnLENOVO:pn20FAS16K00:pvrThinkPadT460s:skuLENOVO_MT_20FA_BU_Think_FM_ThinkPadT460s:rvnLENOVO:rn20FAS16K00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.family: ThinkPad T460s
  dmi.product.name: 20FAS16K00
  dmi.product.sku: LENOVO_MT_20FA_BU_Think_FM_ThinkPad T460s
  dmi.product.version: ThinkPad T460s
  dmi.sys.vendor: LENOVO

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