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b6d572aeb5
It turns out that when plugging in VGA cable through USB-C to VGA/DVI dongle the Connection Manager handshake can take longer time, at least on Intel Titan Ridge based docks such as Dell WD91TB. This leads to following error in the dmesg: thunderbolt 0000:00:0d.3: 3:10: DP tunnel activation failed, aborting and the display stays blank (because we failed to establish the tunnel). For this reason increase the timeout to 3s. Reported-by: Koba Ko <koba.ko@canonical.com> Cc: stable@vger.kernel.org Acked-By: Yehezkel Bernat <YehezkelShB@gmail.com> Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.