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Date: Wed, 18 Dec 2013 01:38:35 +0000 From: "Carlos R. Mafra" <crmafra@...il.com> To: LKML <linux-kernel@...r.kernel.org> Cc: Daniel Vetter <daniel.vetter@...ll.ch>, intel-gfx@...ts.freedesktop.org Subject: 3.13.0-rc4+: Warning at drivers/gpu/drm/i915/intel_display.c I've been using an external monitor with my retina Macbook and sometimes I see the warning below. I think it happens when I unplug the monitor from the thunderbolt port (I use a converter to VGA). [10906.327043] ------------[ cut here ]------------ [10906.327059] WARNING: CPU: 3 PID: 643 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:9212 intel_modeset_check_state+0x618/0x760() [10906.327062] encoder's hw state doesn't match sw tracking (expected 1, found 0) [ 7529.213883] waiting module removal not supported: please upgrade [10906.327064] Modules linked in: b43 mac80211 cfg80211 ssb rfkill ctr ccm uvcvideo videobuf2_core videobuf2_vmalloc videobuf2_memops snd_hda_codec_hdmi snd_hda_codec_cirrus arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd_page_alloc bcm5974 rtc_cmos [last unloaded: ssb] [10906.327094] CPU: 3 PID: 643 Comm: Xorg Not tainted 3.13.0-rc4+ #32 [10906.327096] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012 [10906.327099] 0000000000000009 ffff880082d7bac8 ffffffff8169b7e1 0000000000000007 [10906.327105] ffff880082d7bb18 ffff880082d7bb08 ffffffff8104d382 ffff880082d7bb18 [10906.327109] 0000000000000001 ffff880264618328 ffff880264618000 ffff8802600f0800 [10906.327114] Call Trace: [10906.327123] [<ffffffff8169b7e1>] dump_stack+0x4e/0x71 [10906.327131] [<ffffffff8104d382>] warn_slowpath_common+0x82/0xb0 [10906.327135] [<ffffffff8104d451>] warn_slowpath_fmt+0x41/0x50 [10906.327140] [<ffffffff8142b478>] intel_modeset_check_state+0x618/0x760 [10906.327146] [<ffffffff8142b5e0>] intel_set_mode+0x20/0x30 [10906.327151] [<ffffffff8142bdcb>] intel_crtc_set_config+0x7db/0x9d0 [10906.327158] [<ffffffff813e13ad>] drm_mode_set_config_internal+0x5d/0xe0 [10906.327163] [<ffffffff813e391f>] drm_mode_setcrtc+0xff/0x590 [10906.327170] [<ffffffff813d4a69>] drm_ioctl+0x509/0x630 [10906.327175] [<ffffffff813e3820>] ? drm_mode_setplane+0x3b0/0x3b0 [10906.327181] [<ffffffff811454ee>] do_vfs_ioctl+0x7e/0x510 [10906.327189] [<ffffffff81134979>] ? ____fput+0x9/0x10 [10906.327193] [<ffffffff81145a11>] SyS_ioctl+0x91/0xb0 [10906.327198] [<ffffffff81133ddd>] ? SyS_writev+0x4d/0xc0 [10906.327204] [<ffffffff816a43e6>] system_call_fastpath+0x1a/0x1f [10906.327207] ---[ end trace 1d89c5dbe70372e7 ]--- [10906.327235] [drm:intel_pipe_config_compare] *ERROR* mismatch in has_dp_encoder (expected 1, found 0) [10906.327236] ------------[ cut here ]------------ [10906.327242] WARNING: CPU: 3 PID: 643 at /home/mafra/linux-2.6/drivers/gpu/drm/i915/intel_display.c:9285 check_crtc_state+0x225/0x300() [10906.327244] pipe state doesn't match! [10906.327245] Modules linked in: b43 mac80211 cfg80211 ssb rfkill ctr ccm uvcvideo videobuf2_core videobuf2_vmalloc videobuf2_memops snd_hda_codec_hdmi snd_hda_codec_cirrus arc4 snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_timer snd_page_alloc bcm5974 rtc_cmos [last unloaded: ssb] [10906.327265] CPU: 3 PID: 643 Comm: Xorg Tainted: G W 3.13.0-rc4+ #32 [10906.327267] Hardware name: Apple Inc. MacBookPro10,2/Mac-AFD8A9D944EA4843, BIOS MBP102.88Z.0106.B01.1208311637 08/31/2012 [10906.327269] 0000000000000009 ffff880082d7b7f8 ffffffff8169b7e1 0000000000000007 [10906.327273] ffff880082d7b848 ffff880082d7b838 ffffffff8104d382 ffff880082d7b810 [10906.327277] ffff8802601746e0 ffff880082d7b8d8 ffff880264618000 ffff880260174000 [10906.327281] Call Trace: [10906.327285] [<ffffffff8169b7e1>] dump_stack+0x4e/0x71 [10906.327289] [<ffffffff8104d382>] warn_slowpath_common+0x82/0xb0 [10906.327293] [<ffffffff8104d451>] warn_slowpath_fmt+0x41/0x50 [10906.327298] [<ffffffff8141d8d5>] check_crtc_state+0x225/0x300 [10906.327305] [<ffffffff810a6ccd>] ? __module_text_address+0xd/0x60 [10906.327312] [<ffffffff8142b105>] intel_modeset_check_state+0x2a5/0x760 [10906.327318] [<ffffffff8142b5e0>] intel_set_mode+0x20/0x30 [10906.327323] [<ffffffff8142bdcb>] intel_crtc_set_config+0x7db/0x9d0 [10906.327328] [<ffffffff813e13ad>] drm_mode_set_config_internal+0x5d/0xe0 [10906.327333] [<ffffffff813e391f>] drm_mode_setcrtc+0xff/0x590 [10906.327338] [<ffffffff813d4a69>] drm_ioctl+0x509/0x630 [10906.327343] [<ffffffff813e3820>] ? drm_mode_setplane+0x3b0/0x3b0 [10906.327347] [<ffffffff811454ee>] do_vfs_ioctl+0x7e/0x510 [10906.327352] [<ffffffff81134979>] ? ____fput+0x9/0x10 [10906.327356] [<ffffffff81145a11>] SyS_ioctl+0x91/0xb0 [10906.327361] [<ffffffff81133ddd>] ? SyS_writev+0x4d/0xc0 [10906.327365] [<ffffffff816a43e6>] system_call_fastpath+0x1a/0x1f [10906.327368] ---[ end trace 1d89c5dbe70372e8 ]--- My config contains these options CONFIG_DRM=y CONFIG_DRM_KMS_HELPER=y CONFIG_DRM_KMS_FB_HELPER=y CONFIG_DRM_I915=y CONFIG_DRM_I915_KMS=y CONFIG_DRM_I915_FBDEV=y and I should be able to upload the full config somewhere if necessary. I'm happy to provide any other information. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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