Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760819AbZF2QBR (ORCPT ); Mon, 29 Jun 2009 12:01:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759509AbZF2QBK (ORCPT ); Mon, 29 Jun 2009 12:01:10 -0400 Received: from mail.open.by ([193.232.92.17]:55724 "EHLO post.open.by" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758883AbZF2QBJ (ORCPT ); Mon, 29 Jun 2009 12:01:09 -0400 X-SpamTest-Envelope-From: sergey.senozhatsky@mail.by X-SpamTest-Group-ID: 00000000 X-SpamTest-Info: Profiles 8863 [Jun 29 2009] X-SpamTest-Info: helo_type=3 X-SpamTest-Info: {relay has no DNS name} X-SpamTest-Info: {UDS BL} X-SpamTest-Method: probable X-SpamTest-Rate: 65 X-SpamTest-SPF: softfail X-SpamTest-Status: Probable Spam X-SpamTest-Status-Extended: probable_spam X-SpamTest-Version: SMTP-Filter Version 3.0.0 [0284], KAS30/Release Date: Mon, 29 Jun 2009 19:02:35 +0300 From: Sergey Senozhatsky To: Alan Cox Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List Subject: Re: [Bug #13522] BUG: scheduling while atomic Message-ID: <20090629160235.GA3461@localdomain.by> References: <6JJ2m5kyucK.A.D2D.VJASKB@chimera> <20090629154119.2c61f234@lxorguk.ukuu.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090629154119.2c61f234@lxorguk.ukuu.org.uk> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1738 Lines: 43 On (06/29/09 15:41), Alan Cox wrote: > > This message has been generated automatically as a part of a report > > of recent regressions. > > > > The following bug entry is on the current list of known regressions > > from 2.6.30. Please verify if it still should be listed and let me know > > (either way). > > Yes although getting people seeing to test with might_sleep() checks in > the tty layer demonstrate the tty layer isn't calling into ppp with irqs > disabled when it shouldn't so I'm at a loss as to whether this is a > network bug, a scheduler bug or something else. Looks like I can't reproduce with rc1-git5 (after several hours)... I'll try -git3,-git4. > > The schedule error in __tasklet_schedule() is itself rather peicular. > Reported : 2009-06-28 22:07 by Rafael J. Wysocki Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13652 Subject : scheduling while atomic: pptpgw Rafael, I'm not sure we need 'scheduling while atomic: pptpgw' bug. Initially BUG 13522 was named "BUG: scheduling while atomic: pptpgw" and renamed to "BUG: scheduling while atomic" since I was not sure wheter this is ppp or scheduler bug... --- kernel: [ 1424.347514] BUG: scheduling while atomic: ksoftirqd/0/4/0x10000500 kernel: [27404.945372] BUG: scheduling while atomic: pptpgw/4637/0x00000400 kernel: [ 1715.273674] BUG: scheduling while atomic: ksoftirqd/0/4/0x10000500 kernel: [ 1631.073371] BUG: scheduling while atomic: pptpgw/3169/0x10000500 ... --- Sergey -- 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/