This bug was fixed in the package linux-oem-osp1 - 5.0.0-1043.48
---------------
linux-oem-osp1 (5.0.0-1043.48) bionic; urgency=medium
* bionic/linux-oem-osp1: 5.0.0-1043.48 -proposed tracker (LP:
#1867111)
* All PS/2 ports on PS/2 Serial add-in bracket are not working after S3
(LP: #1866734)
- SAUCE: Input: i8042 - Fix the selftest retry logic
* r8152 init may take up to 40 seconds at initialization with Dell WD19/WD19DC
during hotplug (LP: #1864284)
- UBUNTU SAUCE: r8151: check disconnect status after long sleep
* Miscellaneous Ubuntu changes
- [Config] Bump the GCC version
-- Timo Aaltonen <timo.aalto...@canonical.com> Thu, 12 Mar 2020
11:14:40 +0200
** Changed in: linux-oem-osp1 (Ubuntu Eoan)
Status: Invalid => Fix Released
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https://bugs.launchpad.net/bugs/1859407
Title:
peripheral devices on Dell WD19TB cannot be detected after suspend
resume
Status in HWE Next:
New
Status in linux package in Ubuntu:
Invalid
Status in linux-oem-osp1 package in Ubuntu:
Invalid
Status in linux source package in Bionic:
Won't Fix
Status in linux-oem-osp1 source package in Bionic:
Fix Released
Status in linux source package in Disco:
Won't Fix
Status in linux-oem-osp1 source package in Disco:
Won't Fix
Status in linux source package in Eoan:
Fix Released
Status in linux-oem-osp1 source package in Eoan:
Fix Released
Bug description:
[SRU Justification]
[Impact]
If user un-plugs and then re-plugs the thunderbolt 3 cable of Dell
WD19TB into the laptop during suspend state, peripheral devices on the
docking station cannot be re-probed after the system resumes.
[Fix]
Upstream commit 56b991849009f ("PM: sleep: Simplify suspend-to-idle control
flow") along with its dependencies are required to fix this issue:
* 56b991849009f PM: sleep: Simplify suspend-to-idle control flow
* 41275eb5c7181 ACPI: PM: Set s2idle_wakeup earlier and clear it later
* 9089f16e053af ACPI: EC: Return bool from acpi_ec_dispatch_gpe()
* 6921de898ba8f ACPICA: Return u32 from acpi_dispatch_gpe()
* 3a79bc63d9075 PCI: irq: Introduce rearm_wake_irq()
And 56b991849009f takes an additional fix as we've done for bug
1858424:
* 016b87ca5c8c6 ACPI: EC: Rework flushing of pending work
[Test Case]
1. Please make sure that the WD19 (TBT 3 cable) connects to the laptop
2. Suspend the system
3. Un-plug the TBT 3 cable of WD19 docking station from laptop
4. Re-plug the TBT 3 cable of WD19 docking station into the laptop
5. Press the Enter key or power button to wake up the system
6. Connect an Ethernet cable to a Ethernet port of WD19 docking station
7. Check if the Ethernet interface is available and networking connection is
up.
[Regression Potential]
Medium. The first four patches should not affect original functionalities. The
last two mostly simplify the process and resolve a regression.
========== original bug description ==========
[Summary]
If user un-plugs and then re-plugs the thunderbolt 3 cable of Dell WD19TB
into the laptop during suspend state, peripheral devices on the docking station
cannot be re-probed after the system resumes.
[Steps to reproduce]
1. Please make sure that the WD19 (TBT 3 cable) connects to the laptop
2. Suspend the system
3. Un-plug the TBT 3 cable of WD19 docking station from laptop
4. Re-plug the TBT 3 cable of WD19 docking station into the laptop
5. Press the Enter key or power button to wake up the system
6. Connect an Ethernet cable to a Ethernet port of WD19 docking station
7. Check if the Ethernet interface is available and networking connection is
up.
[Expected result]
The Ethernet interface can be detected
[Actual result]
The Ethernet cannot be detected
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