From owner-freebsd-hackers@freebsd.org Fri Jun 1 14:20:13 2018 Return-Path: Delivered-To: freebsd-hackers@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 0B252FDEE12; Fri, 1 Jun 2018 14:20:13 +0000 (UTC) (envelope-from gljennjohn@gmail.com) Received: from mail-wm0-x229.google.com (mail-wm0-x229.google.com [IPv6:2a00:1450:400c:c09::229]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6B6147E30E; Fri, 1 Jun 2018 14:20:12 +0000 (UTC) (envelope-from gljennjohn@gmail.com) Received: by mail-wm0-x229.google.com with SMTP id a8-v6so3368702wmg.5; Fri, 01 Jun 2018 07:20:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references:reply-to :mime-version:content-transfer-encoding; bh=QoLkrjAq47IuWZdDFrrDj0YS8iMLxm4f7c/nwbupvoo=; b=dARQvIcpZGisSuOCQxc6JYglvP873R4yepmzinDwOMnqrGHIPNiVQBPtPtt7OGoOIE OzjBba+JXcZIXo7PfRByyNJXN2PfsGBtbbzdT7VtvsA4+pmMPDV6yh9jEjDbnkFz0Y8m Ifc27enkxbRgaeAow53AG4pOQ9ecFjNtkFejk6BoTB1qqKBWIPZdVOMzQ3tVtDbv4Ap1 iB8qQsc/tQe0sZJ0scabo6+Ny+sKGLCjT7O+e6DmBV6Pi90vmyZEJ6bDKlrwhsPN98/s 8/DiaYeJ5TWvJ2jMB7JQEdG3KccNutt4I62X+Pe3jlFbOPUk7QJG3FyEuNlHhajVOKT0 RwXQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:reply-to:mime-version:content-transfer-encoding; bh=QoLkrjAq47IuWZdDFrrDj0YS8iMLxm4f7c/nwbupvoo=; b=Dtkc13shhNEYIIdegZ6zKlSqh4tCCLN//kPJckKMj+S6OEGeAbMa15atOI8St39qUU Ba5zIPLZswEJva6n5QhA5okYUPM69XI5bEHeCeEzQdQ95fpXyB1tqWajJMWHsRLb9aoz 3VDXQlI5XEk8OmkyNsiFtOr6fbZIMF8t0v1PazJxwqFWc5Fbqz9x9xkIYxbhs5c6i/XU qipONcTUt1n2MAnqaQrKkqF9yzWPmyjmRF0Mj+q8diIg+QCBwOp8ZRh4zsz3f1l0A1hI Uf23Hr5LF9dxAnkX5wX1xrzk31/ClP5aT0DoS9FWwAhtERVn7Fisl1SnKhpRVNABv27A ouQA== X-Gm-Message-State: APt69E1qXEB4ReQZIEFS4QoyTICOZ7/c5qgAuxwbkiBrJ8gF6R82uMLB Cc9Y+yW/2ewntf+B6kkpxrSeBg== X-Google-Smtp-Source: ADUXVKLAsz0X5Os820O9l13GL1ubgRTdLiAg+NB8G+vWXMZflv+W7EnRHtdWwrE22V9jW7fex4II7A== X-Received: by 2002:a1c:f52:: with SMTP id 79-v6mr2971492wmp.24.1527862810705; Fri, 01 Jun 2018 07:20:10 -0700 (PDT) Received: from ernst.home (p5B02337A.dip0.t-ipconnect.de. [91.2.51.122]) by smtp.gmail.com with ESMTPSA id b205-v6sm2089878wmh.46.2018.06.01.07.20.09 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 01 Jun 2018 07:20:09 -0700 (PDT) Date: Fri, 1 Jun 2018 16:20:08 +0200 From: Gary Jennejohn To: Andriy Gapon Cc: FreeBSD Hackers , FreeBSD Current Subject: Re: HPET-based NMI (debug) watchdog Message-ID: <20180601162008.2088cc56@ernst.home> In-Reply-To: <9dbc2ddd-95f1-61aa-d8ce-6ab2b29b6b60@FreeBSD.org> References: <9dbc2ddd-95f1-61aa-d8ce-6ab2b29b6b60@FreeBSD.org> Reply-To: gljennjohn@gmail.com X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; amd64-portbld-freebsd12.0) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Jun 2018 14:20:13 -0000 On Fri, 1 Jun 2018 12:12:29 +0300 Andriy Gapon wrote: > Maybe this patch / hack would be interesting to anyone else besides me :) > If it is, I would appreciate any testing or review. > https://reviews.freebsd.org/D15630 > This could be of interest to me because my AMD Ryzen 5 1600 system hangs randomly and I don't know why. I suspect an infinite loop somewhere in the USB stack, but can't prove it because the box is totally unresponsive and I have to hit the reset switch. But my single HPET doesn't seem to be using MSI. -- Gary Jennejohn