Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755646Ab1CHQxR (ORCPT ); Tue, 8 Mar 2011 11:53:17 -0500 Received: from mail-bw0-f46.google.com ([209.85.214.46]:59605 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753051Ab1CHQxQ (ORCPT ); Tue, 8 Mar 2011 11:53:16 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=Y6h/6XM1CeHQ8IfPwINJCTys9oFndCfzDpasTONIphzoBQjYE51IF6yM9wM2Te9pCf ovkpwLLbN/cnYBVqrkcJev/Gby98uJ+O7hoFrRkGR2uh/HOuB4tID1u4Jywwi27hAY4Y H9HRIGwWQogm82aWvIsWUrcD+YCLgVPaRAO+E= Date: Tue, 8 Mar 2011 18:53:09 +0200 From: Alexey Dobriyan To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, bskeggs@redhat.com Subject: Re: 2.6.38-rc8: lockdep vs nouveau Message-ID: <20110308165309.GA25650@p183.telecom.by> References: <20110308092254.GA4909@p183.telecom.by> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110308092254.GA4909@p183.telecom.by> 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: 8161 Lines: 85 On Tue, Mar 08, 2011 at 11:22:54AM +0200, Alexey Dobriyan wrote: > [drm] No driver support for vblank timestamp query. > > ========================================================= > [ INFO: possible irq lock inversion dependency detected ] > 2.6.38-rc8 #9 > --------------------------------------------------------- > kworker/0:1/0 just changed the state of lock: > (&(&dev_priv->context_switch_lock)->rlock){-.....}, at: [] nouveau_irq_handler+0x57/0x150 And then, there is this: ... [12085.767490] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 00417c1400 status 0000cb20 channel 2 (0x00000906) [12085.767493] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 00417c1400 [12085.767496] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00120000, e20: 00000011, e24: 0c030000 [12085.767503] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [12085.767507] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x00000000 ... [19445.986827] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 00417c2400 status 0000cb20 channel 2 (0x00000906) [19445.986835] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0040b16300 [19445.986841] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 000c0000, e20: 00000011, e24: 0c030000 [19445.986851] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [19445.986860] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x6e51504f [19458.826528] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0040b17b00 status 0000cb20 channel 2 (0x00000906) [19458.826535] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041a61300 [19458.826542] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 000c0000, e20: 00000011, e24: 0c030000 [19458.826552] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [19458.826561] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x6e51504f ... [26658.316541] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041a62300 status 0000cb20 channel 2 (0x00000906) [26658.316545] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041cfc300 [26658.316548] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 000c0020, e20: 00000011, e24: 0c030000 [26658.316555] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [26658.316559] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x6b4e4d4d [27184.011732] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041bf4300 status 0000cb20 channel 2 (0x00000906) [27184.011735] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041bf4300 [27184.011738] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 000c0020, e20: 00000011, e24: 0c030000 [27184.011745] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27184.011749] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x6b4e4d4d [27184.011767] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041bf5400 status 0000cb20 channel 2 (0x00000906) [27184.011769] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041bf5400 [27184.011772] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00100046, e20: 00000011, e24: 0c030000 [27184.011779] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27184.011782] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x61474646 [27184.011800] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041bf5c00 status 0000cb20 channel 2 (0x00000906) [27184.011802] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041bf5c00 [27184.011804] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 0012005e, e20: 00000011, e24: 0c030000 [27184.011811] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27184.011814] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x09060606 [27184.011835] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041bf6d00 status 0000cb20 channel 2 (0x00000906) [27184.011836] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041bf6d00 [27184.011838] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00140076, e20: 00000011, e24: 0c030000 [27184.011845] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27184.011848] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x00000000 [27184.011865] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041bf7500 status 0000cb20 channel 2 (0x00000906) [27184.011867] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041bf7500 [27184.011869] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 0016008e, e20: 00000011, e24: 0c030000 [27184.011876] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27184.011879] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x060c data 0x0000000a [27236.139499] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041cc0300 status 0000cb20 channel 2 (0x00000906) [27236.139503] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041cc0300 [27236.139505] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 000e0020, e20: 00000011, e24: 0c030000 [27236.139513] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27236.139516] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x684c4b4b [27236.139535] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 0041cc4400 status 0000cb20 channel 2 (0x00000906) [27236.139537] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 0041cc4400 [27236.139539] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 001000a0, e20: 00000011, e24: 0c030000 [27236.139546] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27236.139549] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x09060606 [27259.300269] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 00418c5400 status 0000cb20 channel 2 (0x00000906) [27259.300276] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 00418c5400 [27259.300283] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00120020, e20: 00000011, e24: 0c030000 [27259.300293] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27259.300301] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x0860 data 0x00000000 [27259.300324] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP_TPDMA - VM: Trapped write at 00418c5500 status 0000cb20 channel 2 (0x00000906) [27259.300329] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - Unknown fault at address 00418c5500 [27259.300335] [drm] nouveau 0000:01:00.0: PGRAPH_TRAP_TPDMA_2D - TP 0 - e0c: 00000000, e18: 00000000, e1c: 00160020, e20: 00000011, e24: 0c030000 [27259.300345] [drm] nouveau 0000:01:00.0: PGRAPH - TRAP [27259.300352] [drm] nouveau 0000:01:00.0: PGRAPH - ch 2 (0x0000906000) subc 2 class 0x502d mthd 0x060c data 0x0000000a -- 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/