From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Meyer Subject: Re: 3.13.1 - WARNING at drivers/gpu/drm/i915/i915_irq.c:1240 Date: Thu, 06 Feb 2014 23:29:34 +0100 Message-ID: <1391725774.5746.2.camel@localhost.localdomain> References: <1391542622.3061.6.camel@localhost.localdomain> <20140204201709.GB17001@phenom.ffwll.local> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from www17.your-server.de (www17.your-server.de [213.133.104.17]) by gabe.freedesktop.org (Postfix) with ESMTP id 37DA9FB830 for ; Thu, 6 Feb 2014 14:29:39 -0800 (PST) In-Reply-To: <20140204201709.GB17001@phenom.ffwll.local> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org To: Daniel Vetter Cc: intel-gfx List-Id: intel-gfx@lists.freedesktop.org Am Dienstag, den 04.02.2014, 21:17 +0100 schrieb Daniel Vetter: > On Tue, Feb 04, 2014 at 08:37:02PM +0100, Thomas Meyer wrote: > > > > Hi, > > > > I see a *lot* of these warning in 3.13.1. > > 3.12.x never showed this problem. > > Any ideas?! > > Can you please try latest the drm-intel-nightly git branch from > git://anongit.freedesktop.org/drm-intel ? > > If that one's still affected then please boot with drm.debug=0xe added to > your kernel cmdline, reproduce the WARN and attach the complete dmesg. > Hi, with 3.13.0-drm-00890-g4055ebc (drm-intel-nightly) I get these warnings: [ 0.550068] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 0.550070] [drm] Driver supports precise vblank timestamp query. [ 0.550146] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 0.621056] [drm:i965_irq_handler] *ERROR* pipe A underrun [ 0.860335] fbcon: inteldrmfb (fb0) is primary device [ 0.940094] ------------[ cut here ]------------ [ 0.940103] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/i915/intel_panel.c:714 i965_enable_backlight+0x12a/0x150() [ 0.940103] backlight already enabled [ 0.940105] Modules linked in: [ 0.940109] CPU: 0 PID: 1 Comm: swapper Not tainted 3.13.0-drm-00890-g4055ebc #122 [ 0.940110] Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010 [ 0.940113] 0000000000000009 ffff8802368a1448 ffffffff81546104 ffff8802368a1480 [ 0.940115] ffffffff810391fc ffff880234ff4000 0000000000000000 ffff880234fb8400 [ 0.940118] 00000000c0000000 ffff880236a11c00 ffff8802368a14e0 ffffffff81039267 [ 0.940119] Call Trace: [ 0.940125] [] dump_stack+0x19/0x1b [ 0.940129] [] warn_slowpath_common+0x6c/0x90 [ 0.940132] [] warn_slowpath_fmt+0x47/0x50 [ 0.940135] [] ? schedule_timeout+0xf9/0x190 [ 0.940138] [] i965_enable_backlight+0x12a/0x150 [ 0.940141] [] ? gen4_write64+0x30/0x30 [ 0.940144] [] intel_panel_enable_backlight+0x96/0xd0 [ 0.940146] [] intel_enable_lvds+0x158/0x170 [ 0.940148] [] ? gen4_write64+0x30/0x30 [ 0.940152] [] i9xx_crtc_enable+0x2f1/0x420 [ 0.940155] [] __intel_set_mode+0x8af/0x1660 [ 0.940159] [] intel_set_mode+0x11/0x30 [ 0.940162] [] intel_crtc_set_config+0x984/0xc70 [ 0.940165] [] ? set_inverse_trans_unicode.isra.5+0xb8/0xd0 [ 0.940169] [] drm_mode_set_config_internal+0x5d/0xe0 [ 0.940173] [] drm_fb_helper_set_par+0x69/0xf0 [ 0.940177] [] fbcon_init+0x504/0x580 [ 0.940180] [] visual_init+0xb3/0x110 [ 0.940183] [] do_bind_con_driver+0x153/0x320 [ 0.940186] [] do_take_over_console+0x114/0x1c0 [ 0.940188] [] do_fbcon_takeover+0x5b/0xc0 [ 0.940191] [] fbcon_event_notify+0x60d/0x720 [ 0.940194] [] notifier_call_chain+0x4c/0x70 [ 0.940197] [] __blocking_notifier_call_chain+0x48/0x70 [ 0.940200] [] blocking_notifier_call_chain+0x11/0x20 [ 0.940204] [] fb_notifier_call_chain+0x16/0x20 [ 0.940207] [] register_framebuffer+0x1e6/0x320 [ 0.940211] [] drm_fb_helper_initial_config+0x327/0x500 [ 0.940214] [] ? intel_modeset_setup_hw_state+0x8e8/0xbe0 [ 0.940217] [] ? __kmalloc+0xc4/0xf0 [ 0.940220] [] ? kmem_cache_alloc+0xac/0xb0 [ 0.940224] [] intel_fbdev_initial_config+0x1c/0x20 [ 0.940227] [] i915_driver_load+0xda1/0xde0 [ 0.940231] [] drm_dev_register+0x76/0x160 [ 0.940234] [] drm_get_pci_dev+0x9b/0x210 [ 0.940237] [] i915_pci_probe+0x36/0x50 [ 0.940240] [] pci_device_probe+0x7c/0xe0 [ 0.940244] [] driver_probe_device+0x6d/0x230 [ 0.940247] [] __driver_attach+0x8b/0x90 [ 0.940250] [] ? __device_attach+0x40/0x40 [ 0.940253] [] bus_for_each_dev+0x63/0xa0 [ 0.940256] [] driver_attach+0x19/0x20 [ 0.940258] [] bus_add_driver+0x170/0x220 [ 0.940262] [] ? drm_core_init+0x109/0x109 [ 0.940265] [] driver_register+0x5f/0xf0 [ 0.940268] [] ? drm_core_init+0x109/0x109 [ 0.940271] [] __pci_register_driver+0x3a/0x40 [ 0.940273] [] drm_pci_init+0x115/0x130 [ 0.940276] [] ? drm_core_init+0x109/0x109 [ 0.940279] [] i915_init+0x6a/0x6c [ 0.940281] [] do_one_initcall+0x10a/0x160 [ 0.940284] [] ? parse_args+0x1e8/0x320 [ 0.940287] [] kernel_init_freeable+0x142/0x1d1 [ 0.940290] [] ? do_early_param+0x88/0x88 [ 0.940292] [] ? rest_init+0x80/0x80 [ 0.940295] [] kernel_init+0x9/0x120 [ 0.940297] [] ret_from_fork+0x7a/0xb0 [ 0.940300] [] ? rest_init+0x80/0x80 [ 0.940305] ---[ end trace 529feadd43242174 ]--- [ 1.002905] Console: switching to colour frame buffer device 170x48 And this one, but I'm not sure if this one is related: [ 1.886833] ata2: SATA link down (SStatus 0 SControl 300) [ 1.920205] irq 16: nobody cared (try booting with the "irqpoll" option) [ 1.920269] CPU: 0 PID: 56 Comm: irq/16-uhci_hcd Tainted: G W 3.13.0-drm-00890-g4055ebc #122 [ 1.920271] Hardware name: Acer Aspire 1810T/JM11-MS, BIOS v1.3310 03/25/2010 [ 1.920274] ffff880236a11758 ffff880234a0de28 ffffffff81546104 ffff880234a0de48 [ 1.920279] ffffffff81072984 ffff880236a11700 0000000000000010 ffff880234a0de88 [ 1.920282] ffffffff81072c01 0000000000000246 ffff8802349ddae0 ffff880236a11700 [ 1.920286] Call Trace: [ 1.920295] [] dump_stack+0x19/0x1b [ 1.920300] [] __report_bad_irq.isra.7+0x24/0xc0 [ 1.920304] [] note_interrupt+0x191/0x1e0 [ 1.920308] [] ? irq_thread_fn+0x40/0x40 [ 1.920312] [] irq_thread+0x11d/0x120 [ 1.920316] [] ? wake_threads_waitq.part.30+0x30/0x30 [ 1.920320] [] ? irq_thread_dtor+0xc0/0xc0 [ 1.920324] [] kthread+0xcb/0xf0 [ 1.920328] [] ? kthread_worker_fn+0x170/0x170 [ 1.920333] [] ret_from_fork+0x7a/0xb0 [ 1.920337] [] ? kthread_worker_fn+0x170/0x170 [ 1.920339] handlers: [ 1.920361] [] irq_default_primary_handler threaded [] usb_hcd_irq [ 1.920438] [] irq_default_primary_handler threaded [] usb_hcd_irq [ 1.920513] Disabling IRQ #16