With newer chip versions ASPM-related issues seem to occur only if L1.2 is enabled. I have a test system with RTL8168h that gives a number of rx_missed errors when running iperf and L1.2 is enabled. With L1.2 disabled (and L1 + L1.1 active) everything is fine. See also [0]. Can't test this, but L1 + L1.1 being active should be sufficient to reach higher package power saving states. [0] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1942830 Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Link: https://lore.kernel.org/r/36feb8c4-a0b6-422a-899c-e61f2e869dfe@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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.
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