From: Bjorn Helgaas <helgaas@kernel.org>
To: Andreas Noever <andreas.noever@gmail.com>,
Michael Jamet <michael.jamet@intel.com>,
Mika Westerberg <mika.westerberg@linux.intel.com>,
Yehezkel Bernat <YehezkelShB@gmail.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: AceLan Kao <acelan@gmail.com>,
linux-pci@vger.kernel.org, linux-pm@vger.kernel.org
Subject: [bugzilla-daemon@bugzilla.kernel.org: [Bug 204385] New: Failed to resume from S3 with thunderbolt daisy chain]
Date: Wed, 31 Jul 2019 11:58:36 -0500 [thread overview]
Message-ID: <20190731165836.GB151852@google.com> (raw)
AceLan, before suspending, can you please run "sudo lspci -vv" and
attach the complete output to the bugzilla?
----- Forwarded message from bugzilla-daemon@bugzilla.kernel.org -----
Date: Wed, 31 Jul 2019 02:58:33 +0000
From: bugzilla-daemon@bugzilla.kernel.org
To: bugzilla.pci@gmail.com
Subject: [Bug 204385] New: Failed to resume from S3 with thunderbolt daisy
chain
Message-ID: <bug-204385-193951@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=204385
Bug ID: 204385
Summary: Failed to resume from S3 with thunderbolt daisy chain
Product: Drivers
Version: 2.5
Kernel Version: 5.3.0-rc2
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: PCI
Assignee: drivers_pci@kernel-bugs.osdl.org
Reporter: acelan@gmail.com
Regression: No
Created attachment 284047
--> https://bugzilla.kernel.org/attachment.cgi?id=284047&action=edit
dmesg.log
The system can't resume while connecting to a tbt storage and a tbt monitor
over Thunderbolt port(daisy-chaining)
Dell Precision 5540 --> Dell WD19TB Thunderbolt Dock --> ASUS-Display PA27AC
--> HP P800 Thunderbolt Storage
Reproduce steps:
1. Connect Dell WD19TB Thunderbolt Dock to your system(thunderbolt port)
2. Connect ASUS-Display PA27AC(thuderbolt port) to WD19TB(thunderbolt port)
3. Connect HP P800 thunderbolt storage to PA27AC display(thunderbolt port)
4. mount and access files on HP P800
5. enter S3(echo deep | sudo tee /sys/power/mem_sleep && systemctl suspend) and
resume
6. it hangs
It works well if laptop
1. connects to HP P800 directly
2. or connects to ASUS monitor directly
3. or connects to ASUS monitor -> HP P800
4. or connects to WD19TB -> HP P800
5. or connects to WD19TB -> ASUS monitor
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----- End forwarded message -----
reply other threads:[~2019-07-31 16:58 UTC|newest]
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