[Bug 77297] New: [ILK SNB IVB bisected]CallTrace: WARNING: CPU: 0 PID: 1335 at drivers/gpu/drm/i915/intel_display.c:768 intel_wait_for_vblank+0x159/0x17c [i915]() while running kms_flip_absolute-wf_vblank

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Thu Apr 10 19:21:13 PDT 2014


https://bugs.freedesktop.org/show_bug.cgi?id=77297

          Priority: medium
            Bug ID: 77297
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [ILK SNB IVB bisected]CallTrace: WARNING: CPU: 0 PID:
                    1335 at drivers/gpu/drm/i915/intel_display.c:768
                    intel_wait_for_vblank+0x159/0x17c [i915]() while
                    running kms_flip_absolute-wf_vblank
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 97204
  --> https://bugs.freedesktop.org/attachment.cgi?id=97204&action=edit
intel_display.c:768 dmesg

System Environment:
--------------------------
Platform: ILK SNB IVB
kernel:   (drm-intel-nightly)35dc7c8af75a3e5ae52a5469786602ce083a6368

Bug detailed description:
----------------------------
CallTrace: WARNING: CPU: 0 PID: 1335 at
drivers/gpu/drm/i915/intel_display.c:768 intel_wait_for_vblank+0x159/0x17c
[i915]() while running kms_flip_absolute-wf_vblank on ILK and SNB, the same
issue is able to reproduced on IVB while running
igt_kms_flip_bcs-wf_vblank-vs-dpms.

15ba30b2ecea353a5f0d5951f21805ba0714d889 is the first bad commit
commit 15ba30b2ecea353a5f0d5951f21805ba0714d889
Author: Jesse Barnes 

Call Trace:
----------------------------
[    1.276787] WARNING: CPU: 0 PID: 1335 at
drivers/gpu/drm/i915/intel_display.c:768 intel_wait_for_vblank+0x159/0x17c
[i915]()
[    1.276787] vblank wait timed out
[    1.276789] Modules linked in: i915(+) video button drm_kms_helper drm
[    1.276791] CPU: 0 PID: 1335 Comm: udevd Not tainted
3.14.0_drm-intel-nightly_35dc7c_20140410+ #1511
[    1.276791] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02
02/26/2011
[    1.276794]  00000000 c1696876 f81fdd0c c102c7ff f81bc8a7 f4e98000 00070040
000016c0
[    1.276795]  fffb710a c102c87a 00000009 f4db5a38 f81fdd0c f4db5a50 f81bc8a7
f81fc580
[    1.276797]  00000300 f81fdd0c f4e98000 00000001 f4e98000 f5a34000 f81c1936
f53505b4
[    1.276797] Call Trace:
[    1.276800]  [<c1696876>] ? dump_stack+0x3e/0x4e
[    1.276804]  [<c102c7ff>] ? warn_slowpath_common+0x61/0x74
[    1.276821]  [<f81bc8a7>] ? intel_wait_for_vblank+0x159/0x17c [i915]
[    1.276822]  [<c102c87a>] ? warn_slowpath_fmt+0x29/0x2d
[    1.276836]  [<f81bc8a7>] ? intel_wait_for_vblank+0x159/0x17c [i915]
[    1.276851]  [<f81c1936>] ? ironlake_crtc_enable+0x1fd/0x9ce [i915]
[    1.276865]  [<f81c4121>] ? __intel_set_mode+0xf10/0xff7 [i915]
[    1.276880]  [<f81c5af7>] ? intel_set_mode+0x11/0x25 [i915]
[    1.276894]  [<f81c654e>] ? intel_crtc_set_config+0x646/0x8f1 [i915]
[    1.276900]  [<f808d2c4>] ? drm_mode_set_config_internal+0x39/0x9b [drm]
[    1.276901]  [<f80bf2f2>] ? drm_fb_helper_restore_fbdev_mode+0x7c/0x91
[drm_kms_helper]
[    1.276915]  [<f81b9cd7>] ? lpt_disable_clkout_dp+0xa1/0xa1 [i915]
[    1.276916]  [<f80bf60a>] ? drm_fb_helper_set_par+0x3a/0x59 [drm_kms_helper]
[    1.276918]  [<c12bb1de>] ? fbcon_init+0x2c3/0x3a3
[    1.276920]  [<c12fef23>] ? visual_init+0x97/0xe9
[    1.276922]  [<c1300674>] ? do_bind_con_driver+0x16e/0x275
[    1.276923]  [<c1300887>] ? do_take_over_console+0x10c/0x134
[    1.276924]  [<c12ba9a2>] ? do_fbcon_takeover+0x49/0x88
[    1.276926]  [<c169db0a>] ? notifier_call_chain+0x20/0x42
[    1.276927]  [<c10421b0>] ? __blocking_notifier_call_chain+0x34/0x4b
[    1.276928]  [<c10421d0>] ? blocking_notifier_call_chain+0x9/0xc
[    1.276930]  [<c12b32fa>] ? register_framebuffer+0x1f6/0x248
[    1.276932]  [<f80bedf2>] ? drm_fb_helper_initial_config+0x355/0x3d4
[drm_kms_helper]
[    1.276951]  [<f81e5a52>] ? i915_driver_load+0x950/0xbba [i915]
[    1.276953]  [<c1690579>] ? klist_node_init+0x3a/0x3d
[    1.276954]  [<c1690601>] ? klist_add_tail+0x16/0x30
[    1.276956]  [<c1316e47>] ? device_add+0x45d/0x467
[    1.276957]  [<c100303a>] ? show_stack_log_lvl+0x6d/0x8a
[    1.276961]  [<f808935a>] ? drm_minor_register+0xf5/0x149 [drm]
[    1.276965]  [<f8089410>] ? drm_dev_register+0x62/0xc3 [drm]
[    1.276969]  [<f808b046>] ? drm_get_pci_dev+0xd7/0x16a [drm]
[    1.276971]  [<c12a513d>] ? pci_device_probe+0x4e/0x95
[    1.276972]  [<c1318803>] ? driver_probe_device+0x79/0x168
[    1.276973]  [<c1318936>] ? __driver_attach+0x44/0x5f
[    1.276975]  [<c131761f>] ? bus_for_each_dev+0x37/0x61
[    1.276976]  [<c13184d6>] ? driver_attach+0x11/0x13
[    1.276976]  [<c13188f2>] ? driver_probe_device+0x168/0x168
[    1.276977]  [<c1318213>] ? bus_add_driver+0xad/0x167
[    1.276978]  [<c1318d8a>] ? driver_register+0x6b/0x99
[    1.276979]  [<f8216000>] ? 0xf8215fff
[    1.276980]  [<c10003de>] ? do_one_initcall+0x6d/0xe7
[    1.276981]  [<c169db0a>] ? notifier_call_chain+0x20/0x42
[    1.276982]  [<c10421b9>] ? __blocking_notifier_call_chain+0x3d/0x4b
[    1.276984]  [<c1070be3>] ? load_module+0x140b/0x16e5
[    1.276985]  [<c169dae2>] ? __do_page_fault+0x46c/0x46c
[    1.276986]  [<c1070f2f>] ? SyS_init_module+0x72/0x8a
[    1.276988]  [<c169f5da>] ? sysenter_do_call+0x12/0x22
[    1.276989] ---[ end trace 6042e7a2be61cb36 ]---
[    1.297824] usb 1-1: new high-speed USB device number 2 using ehci-pci

Reproduce steps:
---------------------------- 
1.  ./kms_flip --run-subtest absolute-wf_vblank

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