Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754089Ab0BWUMv (ORCPT ); Tue, 23 Feb 2010 15:12:51 -0500 Received: from casper.infradead.org ([85.118.1.10]:40938 "EHLO casper.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752948Ab0BWUMu (ORCPT ); Tue, 23 Feb 2010 15:12:50 -0500 Subject: Re: [ANNOUNCE] 2.6.31.12-rt21 From: Peter Zijlstra To: Fernando Lopez-Lezcano Cc: Thomas Gleixner , LKML , rt-users , Ingo Molnar , Steven Rostedt , Carsten Emde , Clark Williams , Frank Rowand , Robin Gareus , Gregory Haskins , Philippe Reynes , Will Schmidt , Darren Hart , Jan Blunck , Sven-Thorsten Dietrich , Jon Masters , Mark Knecht , John Kacur , Nick Piggin In-Reply-To: <1266951675.2507.49.camel@localhost.localdomain> References: <1266951675.2507.49.camel@localhost.localdomain> Content-Type: text/plain; charset="UTF-8" Date: Tue, 23 Feb 2010 21:12:13 +0100 Message-ID: <1266955933.11845.763.camel@laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1583 Lines: 40 On Tue, 2010-02-23 at 11:01 -0800, Fernando Lopez-Lezcano wrote: > On Thu, 2010-02-18 at 17:54 +0100, Thomas Gleixner wrote: > > We are pleased to announce the next update to our new preempt-rt > > series. > > > > - fixes and cherry-picks all over the place > > > > - tracer fixes from Carsten > > Seeing this here, otherwise seems fine: > > BUG: sleeping function called from invalid context at > arch/x86/mm/highmem_32.c:9 > in_atomic(): 1, irqs_disabled(): 0, pid: 1984, name: Xorg > Pid: 1984, comm: Xorg Not tainted > 2.6.31.12-1.rt21.1.fc11.ccrma.i686.rtPAE #1 > Call Trace: > [] __might_sleep+0xc6/0xcb > [] kmap+0x47/0x5a > [] i915_gem_pwrite_ioctl+0x3ea/0x631 [i915] > [] drm_ioctl+0x208/0x2a9 [drm] > [] ? i915_gem_pwrite_ioctl+0x0/0x631 [i915] > [] ? inode_has_perm+0x69/0x84 > [] ? rt_mutex_lock+0x28/0x2b > [] ? rt_down+0x1a/0x1d > [] vfs_ioctl+0x5c/0x76 > [] do_vfs_ioctl+0x4a0/0x4de > [] ? selinux_file_ioctl+0x43/0x46 > [] sys_ioctl+0x46/0x66 > [] sysenter_do_call+0x12/0x28 io_mapping_map_atomic_wc() still appears to use the actual kmap_atomic stuff, and we seem to miss an kmap_prot_pfn() function to fill that gap with, I'll try and implement that tomorrow. -- 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/