From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hector Palacios Subject: Re: infinite spin in RT when booting with DHCP on Date: Mon, 6 Feb 2012 09:51:04 +0100 Message-ID: <4F2F9478.10809@digi.com> References: <4F292FE0.7090302@digi.com> <201202021338.44950.tim.sander@hbm.com> <20120202201336.GF25594@pengutronix.de> <4F2BB59C.4080206@digi.com> <20120203103520.GI25594@pengutronix.de> <4F2C07EE.10408@digi.com> <1328287427.5882.159.camel@gandalf.stny.rr.com> <4F2C1885.8030301@digi.com> <1328290789.5882.166.camel@gandalf.stny.rr.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: =?ISO-8859-15?Q?Uwe_Kleine-K=F6nig?= , Tim Sander , "linux-rt-users@vger.kernel.org" , "lclaudio@uudg.org" , "efault@gmx.de" To: Steven Rostedt Return-path: Received: from mail51.messagelabs.com ([216.82.241.99]:60817 "EHLO mail51.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754343Ab2BFJFb (ORCPT ); Mon, 6 Feb 2012 04:05:31 -0500 In-Reply-To: <1328290789.5882.166.camel@gandalf.stny.rr.com> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 02/03/2012 06:39 PM, Steven Rostedt wrote: > Note that you see that this causes a hang in the system if ksoftirqd = is > a real time task. This is true. > Not to mention, that ksoftirqd spins in an infinite > loop if the cable isn't connected (regardless of ksoftirqd's priority= ). This is not true. The infinite loop is only hit when ksoftirqd is a rea= l time task. I=20 think you got confused by the different patches we tried. That dirty ha= ck of yours=20 with the workqueue was the one hanging with the cable disconnected. ;o) Regards --=20 H=E9ctor Palacios -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html