From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262824AbVHETWQ (ORCPT ); Fri, 5 Aug 2005 15:22:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263103AbVHETWH (ORCPT ); Fri, 5 Aug 2005 15:22:07 -0400 Received: from imap.gmx.net ([213.165.64.20]:46983 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S262819AbVHETU7 (ORCPT ); Fri, 5 Aug 2005 15:20:59 -0400 X-Authenticated: #8834078 From: Dominik Karall To: Hugh Dickins Subject: Re: [patch] preempt-trace.patch (mono preempt-trace) Date: Fri, 5 Aug 2005 21:23:45 +0200 User-Agent: KMail/1.8.2 Cc: Ingo Molnar , Andrew Morton , linux-kernel@vger.kernel.org References: <20050607042931.23f8f8e0.akpm@osdl.org> <200508051958.12853.dominik.karall@gmx.net> In-Reply-To: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2438131.0QWGBzcVeZ"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200508052123.49640.dominik.karall@gmx.net> X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org --nextPart2438131.0QWGBzcVeZ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline On Friday 05 August 2005 20:46, Hugh Dickins wrote: > On Fri, 5 Aug 2005, Dominik Karall wrote: > > On Friday 05 August 2005 17:22, Ingo Molnar wrote: > > > please enable CONFIG_FRAME_POINTERS! > > > > I'm sorry, but I think I can't enable CONFIG_FRAME_POINTERS. > > Depends on: DEBUG_KERNEL && (X86 && !X86_64 || CRIS || M68K || M68KNOMMU > > || FRV || UML) > > > > Seems to be disabled for x86_64. > > It is disabled for x86_64, but not for any very good reason (beyond > reducing the test matrix). I work with CONFIG_FRAME_POINTERS on x86_64 > with no trouble, just add in the patch below, make oldconfig, choose > frame pointers and rebuild). But I can't guarantee it'll actually > reveal the info Ingo and all are longing to see. With FRAME_POINTERS enabled: BUG: mono[3193] exited with nonzero preempt_count 1! --------------------------- | preempt count: 00000001 ] | 1 level deep critical section nesting: ---------------------------------------- .. [] .... _spin_lock+0x16/0x80 .....[] .. ( <= sys_semtimedop+0x28c/0x7c0) hth, let me know! dominik --nextPart2438131.0QWGBzcVeZ Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2-ecc0.1.6 (GNU/Linux) iQCVAwUAQvO8xQvcoSHvsHMnAQKEQwP/ViOIrZbe+i47SW4K6boQehgMuR6t9M1X EBKtXpBa8zQALKTmcNhtkGlrnkvq1JZxd9R0Mmc+fcegjZUDo50Qh8oZP6C9RlUp 7dm7pqkb8PtvChY4NxF4pqllkZQLiV8BJWOpL8ZEp6hOYVNhJ+rCyvHwsGGeIMaQ pFpLIWlkAfc= =g2Xe -----END PGP SIGNATURE----- --nextPart2438131.0QWGBzcVeZ--