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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 D5D2DC34022 for ; Mon, 17 Feb 2020 20:17:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AAF3C2072C for ; Mon, 17 Feb 2020 20:17:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729719AbgBQURy (ORCPT ); Mon, 17 Feb 2020 15:17:54 -0500 Received: from isilmar-4.linta.de ([136.243.71.142]:56058 "EHLO isilmar-4.linta.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728519AbgBQURx (ORCPT ); Mon, 17 Feb 2020 15:17:53 -0500 Received: by isilmar-4.linta.de (Postfix, from userid 1000) id C7572200B2C; Mon, 17 Feb 2020 20:17:52 +0000 (UTC) Date: Mon, 17 Feb 2020 21:17:52 +0100 From: Dominik Brodowski To: sinisa Cc: linux-kernel@vger.kernel.org Subject: Re: Linux 5.6-rc2 Message-ID: <20200217201752.i74f2sfdrfs43s25@isilmar-4.linta.de> References: <99fb887f-4a1b-6c15-64a6-9d089773cdd4@4net.rs> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <99fb887f-4a1b-6c15-64a6-9d089773cdd4@4net.rs> User-Agent: NeoMutt/20170113 (1.7.2) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Feb 17, 2020 at 07:42:21PM +0100, sinisa wrote: > > On 2020-02-16 22:32, Linus Torvalds wrote: > > ... > > Chris Wilson (19): > >       drm/i915/pmu: Correct the rc6 offset upon enabling > >       drm/i915/gem: Take local vma references for the parser > >       drm/i915/selftests: Add a mock i915_vma to the mock_ring > >       drm/i915/gt: Use the BIT when checking the flags, not the index > >       drm/i915/execlists: Leave resetting ring to intel_ring > >       drm/i915/gem: Store mmap_offsets in an rbtree rather than a plain > list > >       drm/i915: Don't show the blank process name for internal/simulated > errors > >       drm/i915/gem: Detect overflow in calculating dumb buffer size > >       drm/i915: Check activity on i915_vma after confirming pin_count==0 > >       drm/i915: Stub out i915_gpu_coredump_put > >       drm/i915: Tighten atomicity of i915_active_acquire vs > i915_active_release > >       drm/i915/gt: Acquire ce->active before ce->pin_count/ce->pin_mutex > >       drm/i915/gem: Tighten checks and acquiring the mmap object > >       drm/i915: Keep track of request among the scheduling lists > >       drm/i915/gt: Allow temporary suspension of inflight requests > >       drm/i915/execlists: Offline error capture > >       drm/i915/execlists: Take a reference while capturing the guilty > request > >       drm/i915/execlists: Reclaim the hanging virtual request > >       drm/i915: Mark the removal of the i915_request from the sched.link > > ... > > Something from here makes my Toshiba Portege Z30-A (CPU is i5-4210U with > integrated graphics) to to only get black screen when loading i915 driver. > > Happens the same in rc1 and rc2, works OK with all previous kernels. > > > Here is relevant part of the dmesg output: > > > [    4.643848] i915 0000:00:02.0: vgaarb: deactivate vga console > [    4.645363] Console: switching to colour dummy device 80x25 > [    4.667372] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > [    4.667379] [drm] Driver supports precise vblank timestamp query. > [    4.667743] i915 0000:00:02.0: vgaarb: changed VGA decodes: > olddecodes=io+mem,decodes=io+mem:owns=io+mem > [    4.682355] ------------[ cut here ]------------ > [    4.682389] WARNING: CPU: 3 PID: 459 at drivers/gpu/drm/drm_atomic.c:296 > drm_atomic_get_crtc_state+0xf8/0x110 [drm] > [    4.682394] Modules linked in: iTCO_wdt iTCO_vendor_support nls_iso8859_1 > snd_hda_codec_realtek i915(+) fuse nls_cp437 snd_hda_codec_generic vfat fat > iwlwifi uvcvideo ledtrig_audio aesni_intel(+) drm_kms_helper > videobuf2_vmalloc crypto_simd snd_hda_intel videobuf2_memops cec > snd_intel_dspcfg rc_core videobuf2_v4l2 cryptd snd_hda_codec glue_helper > videobuf2_common cfg80211 drm pcspkr videodev snd_hda_core wmi_bmof > snd_hwdep snd_pcm toshiba_acpi mc e1000e snd_timer sparse_keymap fb_sys_fops > syscopyarea sysfillrect industrialio lpc_ich snd sysimgblt i2c_algo_bit > toshiba_bluetooth soundcore thermal rfkill intel_smartconnect ac button xfs > libcrc32c xhci_pci xhci_hcd rtsx_pci_sdmmc mmc_core ehci_pci ehci_hcd > usbcore crc32c_intel rtsx_pci serio_raw battery wmi video l2tp_ppp > l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppox sg ppp_mppe > ppp_generic slhc libarc4 dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc > scsi_dh_alua > [    4.682455] CPU: 3 PID: 459 Comm: systemd-udevd Not tainted > 5.6.0-rc2-1.g327abc9-default #1 openSUSE Tumbleweed (unreleased) > [    4.682460] Hardware name: TOSHIBA PORTEGE Z30-A/PORTEGE Z30-A, BIOS > Version 4.30   04/26/2018 > [    4.682486] RIP: 0010:drm_atomic_get_crtc_state+0xf8/0x110 [drm] > [    4.682490] Code: 89 2c 11 48 89 98 f0 01 00 00 48 8b 4d 20 8b 55 60 e8 > 2c aa 00 00 48 8b 04 24 48 83 c4 08 5b 5d 41 5c c3 48 98 e9 4e ff ff ff <0f> > 0b e9 28 ff ff ff 48 c7 c0 f4 ff ff ff e9 3b ff ff ff 0f 1f 44 > [    4.682497] RSP: 0000:ffffaa5bc04338a8 EFLAGS: 00010246 > [    4.682500] RAX: 0000000000000000 RBX: ffff9c97862c1000 RCX: > ffff9c979101ed08 > [    4.682504] RDX: 000000000000002d RSI: 0000000000000000 RDI: > ffff9c97862c1000 > [    4.682507] RBP: ffff9c97862c7800 R08: 0000000000000079 R09: > 0000000000000079 > [    4.682510] R10: 000000000000002d R11: 0000000000000005 R12: > 0000000000000000 > [    4.682513] R13: ffff9c97862c7800 R14: ffff9c97862c0800 R15: > ffffffffc0ee0f80 > [    4.682517] FS:  00007f65d2c92dc0(0000) GS:ffff9c9792ec0000(0000) > knlGS:0000000000000000 > [    4.682521] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [    4.682524] CR2: 00007f016d25b610 CR3: 000000030f634004 CR4: > 00000000001606e0 > [    4.682527] Call Trace: > [    4.682551]  drm_atomic_add_affected_connectors+0x2e/0x110 [drm] > [    4.682569]  drm_atomic_helper_check_modeset+0x492/0x770 [drm_kms_helper] > [    4.682641]  intel_atomic_check+0x93/0xcc0 [i915] > [    4.682657]  ? drm_atomic_helper_duplicate_state+0x148/0x170 > [drm_kms_helper] > [    4.682723]  intel_modeset_init+0xe55/0x1180 [i915] > [    4.682777]  i915_driver_probe+0x48e/0x580 [i915] > [    4.682784]  ? _cond_resched+0x15/0x30 > [    4.682788]  ? mutex_lock+0xe/0x30 > [    4.682839]  i915_pci_probe+0x54/0x140 [i915] > [    4.682845]  local_pci_probe+0x42/0x80 > [    4.682851]  pci_device_probe+0x107/0x1b0 > [    4.682856]  really_probe+0x147/0x3c0 > [    4.682860]  driver_probe_device+0xb6/0x100 > [    4.682864]  device_driver_attach+0x53/0x60 > [    4.682867]  __driver_attach+0x8a/0x150 > [    4.682870]  ? device_driver_attach+0x60/0x60 > [    4.682874]  ? device_driver_attach+0x60/0x60 > [    4.682878]  bus_for_each_dev+0x78/0xc0 > [    4.682883]  bus_add_driver+0x14d/0x1f0 > [    4.682887]  driver_register+0x6c/0xc0 > [    4.682891]  ? 0xffffffffc0ff5000 > [    4.682946]  i915_init+0x5d/0x70 [i915] > [    4.682952]  do_one_initcall+0x46/0x200 > [    4.682957]  ? _cond_resched+0x15/0x30 > [    4.682961]  ? kmem_cache_alloc_trace+0x189/0x280 > [    4.682966]  ? do_init_module+0x23/0x230 > [    4.682970]  do_init_module+0x5c/0x230 > [    4.682973]  load_module+0x14b2/0x1650 > [    4.682980]  ? __do_sys_init_module+0x16e/0x1a0 > [    4.682983]  __do_sys_init_module+0x16e/0x1a0 > [    4.682989]  do_syscall_64+0x64/0x240 > [    4.682994]  entry_SYSCALL_64_after_hwframe+0x49/0xbe > [    4.682998] RIP: 0033:0x7f65d38a9d9a > [    4.683001] Code: 48 8b 0d e9 00 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 > 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 af 00 00 00 0f 05 <48> > 3d 01 f0 ff ff 73 01 c3 48 8b 0d b6 00 0c 00 f7 d8 64 89 01 48 > [    4.683007] RSP: 002b:00007fffae341008 EFLAGS: 00000246 ORIG_RAX: > 00000000000000af > [    4.683012] RAX: ffffffffffffffda RBX: 0000563c1d4cb930 RCX: > 00007f65d38a9d9a > [    4.683015] RDX: 00007f65d356689d RSI: 00000000004bdde7 RDI: > 00007f65cd60c010 > [    4.683018] RBP: 00007f65cd60c010 R08: 0000000000000000 R09: > 00007f65d32649e0 > [    4.683022] R10: 0000000000000001 R11: 0000000000000246 R12: > 00007f65d356689d > [    4.683025] R13: 0000000000000000 R14: 0000563c1d22f0c0 R15: > 0000563c1d4cb930 > [    4.683030] ---[ end trace 2b569a8878cd5b99 ]--- Might be related to commit b86d895524ab ("drm/bridge: Add an ->atomic_check() hook"), which I bisected a similar issue to: https://lore.kernel.org/lkml/20200217200942.GA2433@light.dominikbrodowski.net/T/#u Dominik