From owner-freebsd-stable@FreeBSD.ORG Fri Apr 27 21:10:48 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 51692106566B for ; Fri, 27 Apr 2012 21:10:48 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from bigwig.baldwin.cx (bigknife-pt.tunnel.tserv9.chi1.ipv6.he.net [IPv6:2001:470:1f10:75::2]) by mx1.freebsd.org (Postfix) with ESMTP id 272E58FC12 for ; Fri, 27 Apr 2012 21:10:48 +0000 (UTC) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 9892CB93B; Fri, 27 Apr 2012 17:10:47 -0400 (EDT) From: John Baldwin To: pyunyh@gmail.com Date: Fri, 27 Apr 2012 17:10:46 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.2-CBSD-20110714-p13; KDE/4.5.5; amd64; ; ) References: <20120228210329.GA2741@localhost> <201204250935.28973.jhb@freebsd.org> <20120427222017.GA17009@michelle.cdnetworks.com> In-Reply-To: <20120427222017.GA17009@michelle.cdnetworks.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201204271710.46982.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Fri, 27 Apr 2012 17:10:47 -0400 (EDT) Cc: Pavel Gorshkov , freebsd-stable@freebsd.org Subject: Re: msk0: interrupt storm X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 27 Apr 2012 21:10:48 -0000 On Friday, April 27, 2012 6:20:17 pm YongHyeon PYUN wrote: > On Wed, Apr 25, 2012 at 09:35:28AM -0400, John Baldwin wrote: > Hmm, would you give attach patch try? > Yukon Extreme seems to have a new flow control feature but I'm not > sure whether this is related with interrupt storm you're seeing. No luck. :( I did seem to get many more interrupts with TWSI ready asserted with this patch, but I did get a storm after a few hours, it has the same bit set as before: index cpu timestamp trace ------ --- ---------------- ----- 602 0 26139273204228 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 601 0 26139273105828 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 600 0 26139273007620 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 599 0 26139272909292 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 598 0 26139272311224 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 597 0 26139272212920 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 596 0 26139272114688 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 595 0 26139272016384 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 594 0 26139271917972 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 593 0 26139271819800 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 592 0 26139271705008 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 591 0 26139271593960 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 590 0 26139271492056 msk_intr: B0_Y2_SP_ISRC2 = 0x40000000 -- John Baldwin