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From:   bugzilla-daemon@bugzilla.kernel.org
To:     linux-usb@vger.kernel.org
Subject: [Bug 207449] New: xhci_hcd loosing frames if amdgpu vce is in use
Date:   Mon, 27 Apr 2020 03:44:46 +0000
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X-Bugzilla-Component: USB
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https://bugzilla.kernel.org/show_bug.cgi?id=207449

            Bug ID: 207449
           Summary: xhci_hcd loosing frames if amdgpu vce is in use
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.4.35
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
          Assignee: drivers_usb@kernel-bugs.kernel.org
          Reporter: sss123next@list.ru
        Regression: No

Created attachment 288755
  --> https://bugzilla.kernel.org/attachment.cgi?id=288755&action=edit
dmesg

very strange problem occurred.

if amdgpu vce used to encode video with ffmpeg, xhci_hcd starts to loosing
packets (mouse hangs for few milliseconds, usb sound card sound crackling), and
after some time used usb ports stopping to respond at all, so i need to connect
hub into another port (if reconnected to same port, device is not detected).
dmesg in attachment.

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