From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86BB5C4361B for ; Wed, 16 Dec 2020 02:43:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C9E722E03 for ; Wed, 16 Dec 2020 02:43:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725796AbgLPCnZ (ORCPT ); Tue, 15 Dec 2020 21:43:25 -0500 Received: from mout.gmx.net ([212.227.17.22]:58309 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725780AbgLPCnY (ORCPT ); Tue, 15 Dec 2020 21:43:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1608086510; bh=yMbD2YbjiR9ft+QKL4smXXGdFESTY+Y1ZPCXJXPkZ+g=; h=X-UI-Sender-Class:Subject:From:To:Cc:Date; b=Yhyk/P+jBDVOhzGgshU3L3UVnUMPWumB+X+ejvX894HZTggY9Mzgteln6w5XOLW22 Kgb/hSvg2Jz8Qf9uo6VBZ9wBYBuj+geMXaKPBtJ7qauhsjPHQT8eBXTvyesB4DfdTO C+HJti+i+Q15gj5sZ2P+F1yLjEMBlex1zz0zilS8= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from homer.fritz.box ([185.191.217.61]) by mail.gmx.com (mrgmx104 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MatVb-1kENyn3BYx-00cU3t; Wed, 16 Dec 2020 03:41:50 +0100 Message-ID: <5979380e28f4ba8023e88f96d3a9291381a8457e.camel@gmx.de> Subject: drm, qxl: post 5.11 merge warning+explosion From: Mike Galbraith To: LKML Cc: Dave Airlie Date: Wed, 16 Dec 2020 03:41:50 +0100 Content-Type: text/plain; charset="ISO-8859-15" User-Agent: Evolution 3.34.4 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:qeUrWknwym0xq12SWshrLX3xA8HJU0SPkAToBMmgxsk3LgrVvCD vIbFcyKF96Ih0fkl8LbGmLpsCC1kzceXEXnHbKzza5NCq+6cHVt5uGLSIVqmumb9e0hNkVy YjocZ075Z26DvRJ/uwzILw8zGMvLfyZxYoHvCnXmIaOr+3FQ6BKYQaHBWW1Ylj6uORFZYDv dahWnXM87J9BScDqs5tZQ== X-UI-Out-Filterresults: notjunk:1;V03:K0:ip5yn0LIHgQ=:3ZQ21ysuw4iieP1IrpNRFf jpWTPHEMr/rqnYP9EgF/5ydzw07NJnrfTXTkMY38PihHAEvMZbEAAljUaKQfL5ZuwKB2Ddeue bZs4MLj6TqQFeIH7jbrwJER/tSpI1p6G0/ZchybgK+h26LrILxsNe+3wjmnWEIC4lU9Pl+1xV W3oEvfsDoXPKALrmCzKNThhtqDrDD0SHp3rA09OwsxsNmgkfoxNjomP5wr8bTzkABtefWzesL YQ3CxnQtCuff6JO0GRWYIL6Av/qSk2RlAf4pWdqLjc8NobovqPZR4HhmOaTq8Vlj9cp9pY7N8 u6ZBKgfExIbvO1xqh2liaCUEMdDG4UNxilf7F8ntDQQxP8he3plkNPFYYk2TVmdl1xURUr2jr Y7nxU5Hj42RSkb1uHaDf5QwVCfDPV/MrbLV4gJ8djfNE5Ocn5fOzz7HUp9tsKCT4OgL3326jm /OwupHF1xfgtizjcMhxBCbbxE9WcmzUG5Oi+RwtlVzZvlt0N7EGAczAWS69+PqJlyJsnr4Ka8 0ROK3iccWykVlc09PCYrW36UtjGhNj2reVzpdQnpPPP99ktqPhgzSrxoDD09BQ4rlVRwTyNbs uMPTtXlDPMjsj2i6rkyZ1mds7IILuK+fwprI3fKaWkqvbRMbb99nx/2aH36+aN+knd+jwlD35 xBTtU4kDh+dDmnTNaxaPi16oWhpJ2WDfoLCXfua1h+OuOT1AvRoFU54cKGl4vpWVS71CiLJeY 3s0zdsd8cyzmnIqSjx3NUfpGpRtUhZrmkjxZAeadOlI6RSR5JzIwWwjHuJzzJYEluI3lsfzmR LTeivRi4jjCjLx945cB4X1364XFgw3Lo4KQs2lNhYgZPWAPZ9qSW6Aqfw+GcR2jVuGtlVYrnI tL6tFnHNoa+PP7K9rt6w== Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Little kvm works fine with nomodeset, so will be busy for a while bisecting two other problems that popped up here this cycle. (hohum) [ 1.815561] WARNING: CPU: 7 PID: 355 at drivers/gpu/drm/ttm/ttm_pool.c:= 365 ttm_pool_alloc+0x41b/0x540 [ttm] [ 1.815561] Modules linked in: ext4(E) crc16(E) mbcache(E) jbd2(E) ata_= generic(E) ata_piix(E) virtio_console(E) virtio_rng(E) virtio_blk(E) qxl(E= ) drm_ttm_helper(E) ttm(E) drm_kms_helper(E) syscopyarea(E) sysfillrect(E)= sysimgblt(E) ahci(E) fb_sys_fops(E) cec(E) libahci(E) uhci_hcd(E) ehci_pc= i(E) rc_core(E) ehci_hcd(E) crc32c_intel(E) serio_raw(E) virtio_pci(E) vir= tio_ring(E) 8139cp(E) virtio(E) libata(E) drm(E) usbcore(E) mii(E) sg(E) d= m_multipath(E) dm_mod(E) scsi_dh_rdac(E) scsi_dh_emc(E) scsi_dh_alua(E) sc= si_mod(E) autofs4(E) [ 1.815589] CPU: 7 PID: 355 Comm: kworker/7:2 Tainted: G E = 5.10.0.g489e9fe-master #26 [ 1.815590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS= rel-1.12.0-59-gc9ba527-rebuilt.opensuse.org 04/01/2014 [ 1.815614] Workqueue: events drm_fb_helper_dirty_work [drm_kms_helper] [ 1.815621] RIP: 0010:ttm_pool_alloc+0x41b/0x540 [ttm] [ 1.815623] Code: fc ff ff 89 ea 48 8d 04 d5 00 00 00 00 48 29 d0 48 8d= 3c c5 00 1c 40 a0 e9 d7 fc ff ff 85 c0 0f 89 2f fc ff ff e9 28 fc ff ff <= 0f> 0b e9 35 fc ff ff 89 e9 49 8b 7d 00 b8 00 10 00 00 48 d3 e0 45 [ 1.815623] RSP: 0018:ffff888105d3b818 EFLAGS: 00010246 [ 1.815625] RAX: 0000000000000000 RBX: ffff888106978800 RCX: 0000000000= 000000 [ 1.815626] RDX: ffff888105d3bc68 RSI: 0000000000000001 RDI: ffff888106= 238820 [ 1.815626] RBP: ffff888106238758 R08: ffffc90000296000 R09: 8000000000= 00016b [ 1.815627] R10: 0000000000000001 R11: ffffc90000296000 R12: 0000000000= 000000 [ 1.815628] R13: ffff888106238820 R14: 0000000000000000 R15: ffff888106= 978800 [ 1.815628] FS: 0000000000000000(0000) GS:ffff888237dc0000(0000) knlGS= :0000000000000000 [ 1.815632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.815633] CR2: 00007eff52a0d5b8 CR3: 0000000002010003 CR4: 0000000000= 1706e0 [ 1.815633] Call Trace: [ 1.815644] ttm_tt_populate+0xb1/0xc0 [ttm] [ 1.815647] ttm_bo_move_memcpy+0x4a5/0x500 [ttm] [ 1.815652] qxl_bo_move+0x230/0x2f0 [qxl] [ 1.815655] ttm_bo_handle_move_mem+0x79/0x140 [ttm] [ 1.815657] ttm_bo_evict+0x124/0x250 [ttm] [ 1.815693] ? drm_mm_insert_node_in_range+0x55c/0x580 [drm] [ 1.815696] ttm_mem_evict_first+0x110/0x3d0 [ttm] [ 1.815698] ttm_bo_mem_space+0x261/0x270 [ttm] [ 1.815702] ? qxl_ttm_debugfs_init+0xb0/0xb0 [qxl] [ 1.815705] ttm_bo_validate+0x117/0x150 [ttm] [ 1.815756] ttm_bo_init_reserved+0x2c8/0x3c0 [ttm] [ 1.815772] qxl_bo_create+0x134/0x1d0 [qxl] [ 1.815775] ? qxl_ttm_debugfs_init+0xb0/0xb0 [qxl] [ 1.815791] qxl_alloc_bo_reserved+0x2c/0x90 [qxl] [ 1.815794] qxl_image_alloc_objects+0xa3/0x120 [qxl] [ 1.815797] qxl_draw_dirty_fb+0x155/0x450 [qxl] [ 1.815815] ? _cond_resched+0x15/0x40 [ 1.815819] ? ww_mutex_lock_interruptible+0x12/0x60 [ 1.815822] qxl_framebuffer_surface_dirty+0x14f/0x1a0 [qxl] [ 1.815841] drm_fb_helper_dirty_work+0x11d/0x180 [drm_kms_helper] [ 1.815853] process_one_work+0x1f5/0x3c0 [ 1.815866] ? process_one_work+0x3c0/0x3c0 [ 1.815867] worker_thread+0x2d/0x3d0 [ 1.815868] ? process_one_work+0x3c0/0x3c0 [ 1.815872] kthread+0x117/0x130 [ 1.815876] ? kthread_park+0x90/0x90 [ 1.815880] ret_from_fork+0x1f/0x30 [ 1.815886] ---[ end trace 51e464c1e89a1728 ]--- [ 1.815894] BUG: kernel NULL pointer dereference, address: 000000000000= 0230 [ 1.815895] #PF: supervisor read access in kernel mode [ 1.815895] #PF: error_code(0x0000) - not-present page [ 1.815896] PGD 0 P4D 0 [ 1.815898] Oops: 0000 [#1] SMP NOPTI [ 1.815900] CPU: 7 PID: 355 Comm: kworker/7:2 Tainted: G W E = 5.10.0.g489e9fe-master #26 [ 1.815901] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS= rel-1.12.0-59-gc9ba527-rebuilt.opensuse.org 04/01/2014 [ 1.815916] Workqueue: events drm_fb_helper_dirty_work [drm_kms_helper] [ 1.815921] RIP: 0010:dma_map_page_attrs+0xf/0x1c0 [ 1.815922] Code: 1f 17 5b 01 48 85 c0 75 e3 31 c0 c3 66 66 2e 0f 1f 84= 00 00 00 00 00 0f 1f 40 00 0f 1f 44 00 00 41 55 41 54 55 53 48 83 ec 08 <= 48> 8b 87 30 02 00 00 48 85 c0 48 0f 44 05 e7 16 5b 01 41 83 f8 02 [ 1.815923] RSP: 0018:ffff888105d3b7e8 EFLAGS: 00010296 [ 1.815924] RAX: 0000000000001000 RBX: 0000000000000001 RCX: 0000000000= 001000 [ 1.815924] RDX: 0000000000000000 RSI: ffffea0004171e40 RDI: 0000000000= 000000 [ 1.815925] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000= 000000 [ 1.815925] R10: ffffea0004171e40 R11: ffffc90000296000 R12: 0000000000= 000001 [ 1.815926] R13: ffff888106238820 R14: ffff888105d07100 R15: ffff888106= 978800 [ 1.815926] FS: 0000000000000000(0000) GS:ffff888237dc0000(0000) knlGS= :0000000000000000 [ 1.815928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1.815929] CR2: 0000000000000230 CR3: 0000000002010003 CR4: 0000000000= 1706e0 [ 1.815929] Call Trace: [ 1.815937] ttm_pool_alloc+0x448/0x540 [ttm] [ 1.815940] ttm_tt_populate+0xb1/0xc0 [ttm] [ 1.815942] ttm_bo_move_memcpy+0x4a5/0x500 [ttm] [ 1.815945] qxl_bo_move+0x230/0x2f0 [qxl] [ 1.815947] ttm_bo_handle_move_mem+0x79/0x140 [ttm] [ 1.815949] ttm_bo_evict+0x124/0x250 [ttm] [ 1.815982] ? drm_mm_insert_node_in_range+0x55c/0x580 [drm] [ 1.815984] ttm_mem_evict_first+0x110/0x3d0 [ttm] [ 1.815988] ttm_bo_mem_space+0x261/0x270 [ttm] [ 1.890133] ? qxl_ttm_debugfs_init+0xb0/0xb0 [qxl] [ 1.890138] ttm_bo_validate+0x117/0x150 [ttm] [ 1.891740] ttm_bo_init_reserved+0x2c8/0x3c0 [ttm] [ 1.891744] qxl_bo_create+0x134/0x1d0 [qxl] [ 1.893398] ? qxl_ttm_debugfs_init+0xb0/0xb0 [qxl] [ 1.893400] qxl_alloc_bo_reserved+0x2c/0x90 [qxl] [ 1.893402] qxl_image_alloc_objects+0xa3/0x120 [qxl] [ 1.893405] qxl_draw_dirty_fb+0x155/0x450 [qxl] [ 1.896515] ? _cond_resched+0x15/0x40 [ 1.896517] ? ww_mutex_lock_interruptible+0x12/0x60 [ 1.896520] qxl_framebuffer_surface_dirty+0x14f/0x1a0 [qxl] [ 1.896533] drm_fb_helper_dirty_work+0x11d/0x180 [drm_kms_helper] [ 1.896537] process_one_work+0x1f5/0x3c0 [ 1.900535] ? process_one_work+0x3c0/0x3c0 [ 1.900536] worker_thread+0x2d/0x3d0 [ 1.900538] ? process_one_work+0x3c0/0x3c0 [ 1.902704] kthread+0x117/0x130 [ 1.902706] ? kthread_park+0x90/0x90 [ 1.902709] ret_from_fork+0x1f/0x30 [ 1.902711] Modules linked in: ext4(E) crc16(E) mbcache(E) jbd2(E) ata_= generic(E) ata_piix(E) virtio_console(E) virtio_rng(E) virtio_blk(E) qxl(E= ) drm_ttm_helper(E) ttm(E) drm_kms_helper(E) syscopyarea(E) sysfillrect(E)= sysimgblt(E) ahci(E) fb_sys_fops(E) cec(E) libahci(E) uhci_hcd(E) ehci_pc= i(E) rc_core(E) ehci_hcd(E) crc32c_intel(E) serio_raw(E) virtio_pci(E) vir= tio_ring(E) 8139cp(E) virtio(E) libata(E) drm(E) usbcore(E) mii(E) sg(E) d= m_multipath(E) dm_mod(E) scsi_dh_rdac(E) scsi_dh_emc(E) scsi_dh_alua(E) sc= si_mod(E) autofs4(E) [ 1.904797] Dumping ftrace buffer: [ 1.911038] (ftrace buffer empty) [ 1.911041] CR2: 0000000000000230