Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755691AbWKSDH0 (ORCPT ); Sat, 18 Nov 2006 22:07:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755694AbWKSDH0 (ORCPT ); Sat, 18 Nov 2006 22:07:26 -0500 Received: from mail.tmr.com ([64.65.253.246]:6323 "EHLO pixels.tmr.com") by vger.kernel.org with ESMTP id S1755690AbWKSDHZ (ORCPT ); Sat, 18 Nov 2006 22:07:25 -0500 Message-ID: <455FC9E2.3080504@tmr.com> Date: Sat, 18 Nov 2006 22:05:06 -0500 From: Bill Davidsen User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.0.8) Gecko/20061029 SeaMonkey/1.0.6 MIME-Version: 1.0 To: Andrew Morton CC: "Eric W. Biederman" , Andi Kleen , Linus Torvalds , discuss@x86-64.org, William Cohen , Komuro , Ernst Herzberg , Andre Noll , oprofile-list@lists.sourceforge.net, Jens Axboe , linux-usb-devel@lists.sourceforge.net, phil.el@wanadoo.fr, Adrian Bunk , Ingo Molnar , Alan Stern , linux-pci@atrey.karlin.mff.cuni.cz, Stephen Hemminger , Prakash Punnoor , Len Brown , Alex Romosan , gregkh@suse.de, Linux Kernel Mailing List , Andrey Borzenkov Subject: Re: [discuss] Re: 2.6.19-rc5: known regressions (v3) References: <200611151945.31535.ak@suse.de> <200611152023.53960.ak@suse.de> <20061115122118.14fa2177.akpm@osdl.org> <20061115133121.8d9d621f.akpm@osdl.org> <17756.17330.974883.486535@alkaid.it.uu.se> <20061116122358.996fdbb3.akpm@osdl.org> <17757.34795.689658.106603@alkaid.it.uu.se> <20061117021357.bcdbe52c.akpm@osdl.org> In-Reply-To: <20061117021357.bcdbe52c.akpm@osdl.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1777 Lines: 43 Andrew Morton wrote: > On Fri, 17 Nov 2006 10:59:07 +0100 > Mikael Pettersson wrote: > >> Andrew Morton writes: >> > On Thu, 16 Nov 2006 11:55:46 +0100 >> > Mikael Pettersson wrote: >> > >> > > Andrew Morton writes: >> > > > Surely the appropriate behaviour is to allow oprofile to steal the NMI and >> > > > to then put the NMI back to doing the watchdog thing after oprofile has >> > > > finished with it. >> > > >> > > Which is _exactly_ what pre-2.6.19-rc1 kernels did. I implemented >> > > the in-kernel API allowing real performance counter drivers like >> > > oprofile (and perfctr) to claim the HW from the NMI watchdog, >> > > do their work, and then release it which resumed the watchdog. >> > >> > OK. But from Andi's comments it seems that the NMI watchdog was failing to >> > resume its operation. >> >> It certainly worked when I originally implemented it. If it didn't work >> that way before 2.6.19-rc1 butchered it then that would have been a bug >> that should have been fixed. > > Oh. OK. > > Meanwhile, 2.6.19-rc6 remains unfixed. > Has anyone verified that nmi watchdog works at all in 2.6.19-rc6? I haven't built a kernel since rc2, other things have been taking my time. -- Bill Davidsen Obscure bug of 2004: BASH BUFFER OVERFLOW - if bash is being run by a normal user and is setuid root, with the "vi" line edit mode selected, and the character set is "big5," an off-by-one errors occurs during wildcard (glob) expansion. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/