Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755627Ab1DGLZ5 (ORCPT ); Thu, 7 Apr 2011 07:25:57 -0400 Received: from gra-lx1.iram.es ([150.214.224.41]:35236 "EHLO gra-lx1.iram.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751777Ab1DGLZ4 (ORCPT ); Thu, 7 Apr 2011 07:25:56 -0400 Date: Thu, 7 Apr 2011 13:25:48 +0200 From: Gabriel Paubert To: Dave Airlie Cc: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= , Greg KH , linuxppc-dev@lists.ozlabs.org, LKML Subject: Re: Revert 737a3bb9416ce2a7c7a4170852473a4fcc9c67e8 ? Message-ID: <20110407112548.GA30805@iram.es> References: <20110404235259.GA30132@iram.es> <20110406084101.GB13963@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1726 Lines: 45 Hi Dave, > This is the old DRM driver for radeon, which relies on userspace to > start X then calls the kernel Actually, even the old DRM driver occasionally hangs on this machine, I suspect a missing barrier, but I might be completely off base. The system is up, only X uses 100% of one core and according to gdb X is there: (gdb) info stack #0 0x0fbafb08 in ioctl () from /lib/libc.so.6 #1 0x0f7be1c8 in drmDMA () from /usr/lib/libdrm.so.2 #2 0x0f65330c in ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so #3 0x0f65380c in ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so #4 0x0f6f89b8 in ?? () from /usr/lib/xorg/modules/drivers/radeon_drv.so #5 0x0f562538 in ?? () from /usr/lib/xorg/modules/libexa.so #6 0x0f56298c in ?? () from /usr/lib/xorg/modules/libexa.so #7 0x0f56351c in ?? () from /usr/lib/xorg/modules/libexa.so #8 0x0f55fba0 in ?? () from /usr/lib/xorg/modules/libexa.so #9 0x0f56ab18 in ?? () from /usr/lib/xorg/modules/libexa.so #10 0x0f56b810 in ?? () from /usr/lib/xorg/modules/libexa.so #11 0x100f168c in ?? () #12 0x100df0fc in CompositePicture () #13 0x0f56a748 in ?? () from /usr/lib/xorg/modules/libexa.so #14 0x100dee08 in CompositeTrapezoids () #15 0x100eb318 in ?? () #16 0x100e3ae8 in ?? () #17 0x1004a1f0 in ?? () #18 0x1001d0d4 in ?? () #19 0x0faea63c in ?? () from /lib/libc.so.6 #20 0x0faea800 in __libc_start_main () from /lib/libc.so.6 #21 0x00000000 in ?? () I don't know how to get more details. Regards, Gabriel -- 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/