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New: Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter[05ac:1657] doesn't work at all

Bug 189731 Bjorn Helgaas 1 participant 1 message Dec 27, 2016 1 message not in the archive PCI

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Bjorn Helgaas

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---------- Forwarded message ----------
From: <[email protected]>
Date: Tue, Dec 6, 2016 at 1:25 AM
Subject: [Bug 189731] New: Thunderbolt 3 (USB-C) to Thunderbolt 2 adapter[05ac:1657] doesn't work at all
To: [email protected]

https://bugzilla.kernel.org/show_bug.cgi?id=189731

            Bug ID: 189731
           Summary: Thunderbolt 3 (USB-C) to Thunderbolt 2
                    adapter[05ac:1657] doesn't work at all
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.9-rc8
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: PCI
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

Created attachment 246931
--> https://bugzilla.kernel.org/attachment.cgi?id=246931&action=edit
dmesg.log

I use an Apple thunderbolt 3 to thunderbolt 2 adapter to connect Dell XPS 9360 and Apple thunderbolt monitor, but it doesn't work.
The monitor doesn't power on nor flicker at all.
(I've verified the adapter by MBP and the monitor, it works well)

The dmesg shows the adapter is connected before powering up, and then unplug/re-plug the adapter.