[Intel-gfx] [Regression 3.10.0+] i915: pipe state does not match!

[Knut Petersen]

Hi everybody!

During booting a "pipe state doesn't match" error occures.

Reproducibility: high (3 of 3 test boots)

Hardware: Aopen i915GMm-hfs, Pentium-M, opensuse 12.3,
kernel 3.10.0+, git 496322bc91e35007ed754184dcd447a02b6dd685

trace attached.

cu,
  Knut

-------------- next part --------------
[2.273091] Linux agpgart interface v0.103
[2.273265] agpgart-intel 0000:00:00.0: Intel 915GM Chipset
[2.273431] agpgart-intel 0000:00:00.0: detected gtt size: 262144K total, 262144K mappable
[2.274173] agpgart-intel 0000:00:00.0: detected 8192K stolen memory
[2.274624] agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xc0000000
[2.274775] [drm] Initialized drm 1.1.0 20060810 
[2.278402] [drm] Memory usable by graphics device = 256M
[2.278536] i915 0000:00:02.0: setting latency timer to 64
[2.280498] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010).
[2.280507] [drm] Driver supports precise vblank timestamp query.
[2.281762] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[2.282130] [drm] Skipping LVDS initialization for AOpen i915GMm-HFS
[2.924782] [drm] initialized overlay support
[3.136113] tsc: Refined TSC clocksource calibration: 1199.999 MHz
[3.323980] [drm:intel_pipe_config_compare] *ERROR* mismatch in gmch_pfit.control (expected 0, found 8)
[3.324182] ------------[ cut here ]------------
[3.324196] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/i915/intel_display.c:8287 check_crtc_state+0x62b/0x65c()
[3.324201] pipe state doesn't match!
[3.324206] Modules linked in:
[3.324216] CPU: 0 PID: 1 Comm: swapper Not tainted 3.10.0-main+ #14
[3.324221] Hardware name:  /i915GMm-HFS, BIOS 6.00 PG 11/04/2005
[3.324227]  00000000 c06f10ea f606f89c c052e356 f606f8b4 c012a137 c03bde50 f60e3000
[3.324247]  00000000 f6218000 f606f8cc c012a1c1 00000009 f606f8c4 c06f10ea f606f8e0
[3.324267]  f606fb30 c03bde50 c06f047a 0000205f c06f10ea c0168801 00000003 f635af44
[3.324287] Call Trace:
[3.324300]  [<c052e356>] dump_stack+0x16/0x18
[3.324311]  [<c012a137>] warn_slowpath_common+0x5a/0x71
[3.324320]  [<c03bde50>] ? check_crtc_state+0x62b/0x65c
[3.324330]  [<c012a1c1>] warn_slowpath_fmt+0x2b/0x2f
[3.324339]  [<c03bde50>] check_crtc_state+0x62b/0x65c
[3.324351]  [<c0168801>] ? lock_set_class+0x4be/0x511
[3.324378]  [<c03c75b4>] intel_modeset_check_state+0x30c/0x55f
[3.324389]  [<c03c7882>] intel_set_mode+0x26/0x2f
[3.324399]  [<c03c8619>] intel_get_load_detect_pipe+0x2b4/0x308
[3.324412]  [<c03e11d8>] intel_tv_detect+0xd1/0x3ea
[3.324431]  [<c038a00e>] drm_helper_probe_single_connector_modes+0xa0/0x270
[3.324441]  [<c0387bf2>] drm_fb_helper_probe_connector_modes+0x39/0x4c
[3.324452]  [<c03890d7>] drm_fb_helper_initial_config+0x143/0x3ac
[3.324462]  [<c0533df8>] ? _raw_spin_unlock_irqrestore+0x38/0x5b
[3.324471]  [<c0533e04>] ? _raw_spin_unlock_irqrestore+0x44/0x5b
[3.324482]  [<c0533e04>] ? _raw_spin_unlock_irqrestore+0x44/0x5b
[3.324491]  [<c03e051a>] intel_fbdev_initial_config+0x1e/0x20
[3.324502]  [<c03a3ae4>] i915_driver_load+0xa1c/0xbfe
[3.324516]  [<c0393d9a>] drm_get_pci_dev+0x13a/0x21a
[3.324525]  [<c0533e04>] ? _raw_spin_unlock_irqrestore+0x44/0x5b
[3.324535]  [<c03a0268>] i915_pci_probe+0x46/0x4f
[3.324547]  [<c0301011>] pci_device_probe+0x5e/0x96
[3.324557]  [<c03f704d>] driver_probe_device+0x83/0x17a
[3.324566]  [<c03f7197>] __driver_attach+0x53/0x6f
[3.324577]  [<c03f5b3a>] bus_for_each_dev+0x43/0x6d
[3.324586]  [<c03f6c8b>] driver_attach+0x19/0x1b
[3.324595]  [<c03f7144>] ? driver_probe_device+0x17a/0x17a
[3.324603]  [<c03f6914>] bus_add_driver+0xc3/0x1c0
[3.324613]  [<c03f766c>] driver_register+0x79/0xf1
[3.324623]  [<c02f42e4>] ? __raw_spin_lock_init+0x26/0x49
[3.324633]  [<c03010f4>] __pci_register_driver+0x4a/0x4d
[3.324645]  [<c07e9584>] ? ftrace_define_fields_drm_vblank_event+0x45/0x45
[3.324654]  [<c0393ee7>] drm_pci_init+0x6d/0xc5
[3.324663]  [<c07e9584>] ? ftrace_define_fields_drm_vblank_event+0x45/0x45
[3.324672]  [<c07e95e2>] i915_init+0x5e/0x60
[3.324682]  [<c01003b5>] do_one_initcall+0x6f/0xea
[3.324691]  [<c07c0428>] ? repair_env_string+0x12/0x51
[3.324700]  [<c07c0400>] ? do_early_param+0x5f/0x75
[3.324709]  [<c01436e9>] ? parse_args+0x175/0x213
[3.324721]  [<c07c09c2>] kernel_init_freeable+0xce/0x153
[3.324730]  [<c052876e>] kernel_init+0xd/0xb9
[3.324740]  [<c05394b7>] ret_from_kernel_thread+0x1b/0x28
[3.324749]  [<c0528761>] ? rest_init+0xa5/0xa5
[3.324927] ---[ end trace cdf7452bb4a6b6eb ]---
[3.477035] fbcon: inteldrmfb (fb0) is primary device
[3.579446] Console: switching to colour frame buffer device 160x64
[3.593142] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[3.593150] i915 0000:00:02.0: registered panic notifier
[3.593213] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0