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Date:      Sat, 19 Sep 2020 22:38:07 +0000
From:      bugzilla-noreply@freebsd.org
To:        usb@FreeBSD.org
Subject:   [Bug 237666] repeated messages of "uhub_reattach_port: giving up port reset - device vanished"
Message-ID:  <bug-237666-19105-rqm8uQqTre@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-237666-19105@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237666

--- Comment #137 from commit-hook@FreeBSD.org ---
A commit references this bug:

Author: hselasky
Date: Sat Sep 19 22:37:46 UTC 2020
New revision: 365918
URL: https://svnweb.freebsd.org/changeset/base/365918

Log:
  Fix for use of the XHCI driver on Cortex-A72 by adding a missing cache
  flush operation before writing to the XHCI_ERSTBA_LO/HI register(s).

  PR:           237666
  Discussed with:       Mark Millard <marklmi@yahoo.com>
  MFC after:    1 week
  Sponsored by: Mellanox Technologies // Nvidia

Changes:
  head/sys/dev/usb/controller/xhci.c

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