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Lu" Cc: Dave Hansen , Dave Jones , "H. Peter Anvin" , LKML , Andy Lutomirski , Mel Gorman , Andrew Morton , Rik van Riel , Minchan Kim Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org I'm not at all convinced that this is the problem, but the series here will give a better diagnostic if the issue really is an IRQ stack overflow: https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/log/?h=x86/guard_pages (link currently broken. should work soon.)