TXQ SQ closure is followed by closing the corresponding CQ. A pending DIM work would try to modify the now non-existing CQ. This would trigger an error: [85535.835926] mlx5_core 0000:af:00.0: mlx5_cmd_check:769:(pid 124399): MODIFY_CQ(0x403) op_mod(0x0) failed, status bad resource state(0x9), syndrome (0x1d7771) Fix by making sure to cancel any pending DIM work before destroying the SQ. Fixes: cbce4f444798 ("net/mlx5e: Enable adaptive-TX moderation") Signed-off-by: Tal Gilboa <talgi@mellanox.com> Reviewed-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.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.
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