From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752426Ab0BVMXg (ORCPT ); Mon, 22 Feb 2010 07:23:36 -0500 Received: from mail-ew0-f219.google.com ([209.85.219.219]:58595 "EHLO mail-ew0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752102Ab0BVMXe convert rfc822-to-8bit (ORCPT ); Mon, 22 Feb 2010 07:23:34 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=SRT50cxrsdkpCBLMgas8DvwGqxHbSOFosaMKAe3wvXXPDc+U4FRu4RE62O1NsIrA+z H7x0mCDcFnPVI72Ls3t50lUsMyAX1Q2RzFtCuT3x6v9TM47poYVQhPQ2RBOzrGgGPEU4 Z2ZuXa2UXGC3YiVcbk2RabyoFytYGL0N3W940= MIME-Version: 1.0 In-Reply-To: References: <520f0cf11002220311l2a0caa83lf3ae2817b78501b6@mail.gmail.com> Date: Mon, 22 Feb 2010 13:23:33 +0100 X-Google-Sender-Auth: c8727fa3bae4b27e Message-ID: <520f0cf11002220423u64daf89dxa6a4249522adabee@mail.gmail.com> Subject: Re: [ANNOUNCE] 2.6.33-rc8-rt1 From: John Kacur To: Thomas Gleixner Cc: LKML , rt-users , Ingo Molnar , Steven Rostedt , Peter Zijlstra , Carsten Emde , Clark Williams , Frank Rowand , Robin Gareus , Gregory Haskins , Philippe Reynes , Fernando Lopez-Lezcano , Will Schmidt , Darren Hart , Jan Blunck , Sven-Thorsten Dietrich , Jon Masters , Mark Knecht , Nick Piggin Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 22, 2010 at 12:28 PM, Thomas Gleixner wrote: > On Mon, 22 Feb 2010, John Kacur wrote: >> On Mon, Feb 22, 2010 at 12:24 AM, Thomas Gleixner wrote: >> > We are zooming in, but there is still a way to go! >> > >> >> Woohoo! More -rt fun. >> >> Unfortunately, I can't log in on my T500 with this kernel though. >> The following shows-up on my serial console. >> ------------[ cut here ]------------ >> WARNING: at /home/jkacur/rt.linux.git/net/mac80211/rx.c:2467 ieee80211_rx+0x4c/0 >> x721 [mac80211]() > > Fix below. Thanks, > >    tglx > ---- > diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c > index 82a30c1..e735c17 100644 > --- a/net/mac80211/rx.c > +++ b/net/mac80211/rx.c > @@ -2464,7 +2464,7 @@ void ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb) >        struct ieee80211_supported_band *sband; >        struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); > > -       WARN_ON_ONCE(softirq_count() == 0); > +       WARN_ON_ONCE_NONRT(softirq_count() == 0); > >        if (WARN_ON(status->band < 0 || >                    status->band >= IEEE80211_NUM_BANDS)) > -- Thanks Thomas That patch fixes the symptom I reported, but unfortunately, I still can't log-in to my laptop without the machine freezing. Not sure why, investigating. John From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Kacur Subject: Re: [ANNOUNCE] 2.6.33-rc8-rt1 Date: Mon, 22 Feb 2010 13:23:33 +0100 Message-ID: <520f0cf11002220423u64daf89dxa6a4249522adabee@mail.gmail.com> References: <520f0cf11002220311l2a0caa83lf3ae2817b78501b6@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: LKML , rt-users , Ingo Molnar , Steven Rostedt , Peter Zijlstra , Carsten Emde , Clark Williams , Frank Rowand , Robin Gareus , Gregory Haskins , Philippe Reynes , Fernando Lopez-Lezcano , Will Schmidt , Darren Hart , Jan Blunck , Sven-Thorsten Dietrich , Jon Masters , Mark Knecht , Nick Piggin To: Thomas Gleixner Return-path: Received: from mail-ew0-f219.google.com ([209.85.219.219]:58595 "EHLO mail-ew0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752102Ab0BVMXe convert rfc822-to-8bit (ORCPT ); Mon, 22 Feb 2010 07:23:34 -0500 In-Reply-To: Sender: linux-rt-users-owner@vger.kernel.org List-ID: On Mon, Feb 22, 2010 at 12:28 PM, Thomas Gleixner = wrote: > On Mon, 22 Feb 2010, John Kacur wrote: >> On Mon, Feb 22, 2010 at 12:24 AM, Thomas Gleixner wrote: >> > We are zooming in, but there is still a way to go! >> > >> >> Woohoo! More -rt fun. >> >> Unfortunately, I can't log in on my T500 with this kernel though. >> The following shows-up on my serial console. >> ------------[ cut here ]------------ >> WARNING: at /home/jkacur/rt.linux.git/net/mac80211/rx.c:2467 ieee802= 11_rx+0x4c/0 >> x721 [mac80211]() > > Fix below. Thanks, > > =A0 =A0tglx > ---- > diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c > index 82a30c1..e735c17 100644 > --- a/net/mac80211/rx.c > +++ b/net/mac80211/rx.c > @@ -2464,7 +2464,7 @@ void ieee80211_rx(struct ieee80211_hw *hw, stru= ct sk_buff *skb) > =A0 =A0 =A0 =A0struct ieee80211_supported_band *sband; > =A0 =A0 =A0 =A0struct ieee80211_rx_status *status =3D IEEE80211_SKB_R= XCB(skb); > > - =A0 =A0 =A0 WARN_ON_ONCE(softirq_count() =3D=3D 0); > + =A0 =A0 =A0 WARN_ON_ONCE_NONRT(softirq_count() =3D=3D 0); > > =A0 =A0 =A0 =A0if (WARN_ON(status->band < 0 || > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0status->band >=3D IEEE80211_NU= M_BANDS)) > -- Thanks Thomas That patch fixes the symptom I reported, but unfortunately, I still can't log-in to my laptop without the machine freezing. Not sure why, investigating. John -- 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