[Bug 59836] [PNV]igt/kms_flip/absolute-wf_vblank fail

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Jan 12 19:31:44 PST 2014


https://bugs.freedesktop.org/show_bug.cgi?id=59836

lu hua <huax.lu at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #13 from lu hua <huax.lu at intel.com> ---
The output info shows success, but it causes call trace.
output:
Using monotonic timestamps
Beginning absolute-wf_vblank on crtc 4, connector 5
  1024x600 60 1024 1072 1104 1200 600 603 609 625 0xa 0x48 45000
....................................................................................................................................................................................
absolute-wf_vblank on crtc 4, connector 5: PASSED

Subtest absolute-wf_vblank: SUCCESS

Call trace:
[    2.440626] WARNING: CPU: 1 PID: 1208 at
drivers/gpu/drm/i915/intel_panel.c:342 intel_panel_compute_brightness+0x27/0x4b
[i915]()
[    2.440635] Modules linked in: i915(+) video button drm_kms_helper drm
[    2.440640] CPU: 1 PID: 1208 Comm: udevd Not tainted
3.13.0-rc7_drm-intel-nightly_24ed7d_20140113+ #2757
[    2.440642] Hardware name: MICRO-STAR INTERNATIONAL CO., LTD
MS-N014/MS-N014, BIOS EN014IMS.10B 11/30/2009
[    2.440650]  00000000 c0890ccc 00000000 c022b5df f82e47e6 00000000 f5970000
f587c000
[    2.440657]  00000293 c022b5ff 00000009 00000000 f82e47e6 f5970000 f587c000
f587d2d4
[    2.440663]  f82e483d 00000002 f831569e f8308adc f8315686 00000000 00000000
f5970000
[    2.440665] Call Trace:
[    2.440673]  [<c0890ccc>] ? dump_stack+0x3e/0x4e
[    2.440680]  [<c022b5df>] ? warn_slowpath_common+0x61/0x74
[    2.440740]  [<f82e47e6>] ? intel_panel_compute_brightness+0x27/0x4b [i915]
[    2.440746]  [<c022b5ff>] ? warn_slowpath_null+0xd/0x10
[    2.440806]  [<f82e47e6>] ? intel_panel_compute_brightness+0x27/0x4b [i915]
[    2.440867]  [<f82e483d>] ? intel_panel_actually_set_backlight+0x33/0x43
[i915]
[    2.440929]  [<f82e584a>] ? intel_panel_disable_backlight+0x58/0x6a [i915]
[    2.440986]  [<f82d5cb1>] ? intel_disable_lvds+0x35/0x110 [i915]
[    2.441011]  [<f82ca647>] ? i9xx_crtc_disable+0x50/0x20c [i915]
[    2.441011]  [<f82d0237>] ? __intel_set_mode+0xbd6/0xf82 [i915]
[    2.441011]  [<c024f907>] ? down_trylock+0x1b/0x23
[    2.441011]  [<c025727c>] ? console_trylock+0xb/0x43
[    2.441011]  [<f82d1ea1>] ? intel_set_mode+0x11/0x25 [i915]
[    2.441011]  [<f82d24b7>] ? intel_crtc_set_config+0x551/0x72a [i915]
[    2.441011]  [<f810b974>] ? drm_mode_set_config_internal+0x36/0x8c [drm]
[    2.441011]  [<f812bf55>] ? drm_fb_helper_set_par+0x46/0x7c [drm_kms_helper]
[    2.441011]  [<c04b270a>] ? fbcon_init+0x2c3/0x3a3
[    2.441011]  [<c04f60e5>] ? visual_init+0x97/0xe9
[    2.441011]  [<c04f7758>] ? do_bind_con_driver+0x16e/0x275
[    2.441011]  [<c04f796b>] ? do_take_over_console+0x10c/0x134
[    2.441011]  [<c04b1ece>] ? do_fbcon_takeover+0x49/0x88
[    2.441011]  [<c0897e62>] ? notifier_call_chain+0x20/0x42
[    2.441011]  [<c0241074>] ? __blocking_notifier_call_chain+0x34/0x4b
[    2.441011]  [<c0241094>] ? blocking_notifier_call_chain+0x9/0xc
[    2.441011]  [<c04aa838>] ? register_framebuffer+0x1f6/0x248
[    2.441011]  [<f812be8a>] ? drm_fb_helper_initial_config+0x33c/0x3c1
[drm_kms_helper]
[    2.441011]  [<f82acf19>] ? i915_driver_load+0x927/0xb64 [i915]
[    2.441011]  [<f81075a1>] ? drm_dev_register+0xb1/0x113 [drm]
[    2.441011]  [<f8108f6e>] ? drm_get_pci_dev+0xdd/0x176 [drm]
[    2.441011]  [<c049cd81>] ? pci_device_probe+0x4e/0x95
[    2.441011]  [<c050f36b>] ? driver_probe_device+0x79/0x168
[    2.441011]  [<c050f49e>] ? __driver_attach+0x44/0x5f
[    2.441011]  [<c050e177>] ? bus_for_each_dev+0x37/0x61
[    2.441011]  [<c050f03e>] ? driver_attach+0x11/0x13
[    2.441011]  [<c050f45a>] ? driver_probe_device+0x168/0x168
[    2.441011]  [<c050ed7b>] ? bus_add_driver+0xad/0x167
[    2.441011]  [<c050f8f2>] ? driver_register+0x6b/0x99
[    2.441011]  [<f8148000>] ? 0xf8147fff
[    2.441011]  [<c02003d4>] ? do_one_initcall+0x6d/0xe9
[    2.441011]  [<c0897e62>] ? notifier_call_chain+0x20/0x42
[    2.441011]  [<c024107d>] ? __blocking_notifier_call_chain+0x3d/0x4b
[    2.441011]  [<c026d0a9>] ? load_module+0x140b/0x16e5
[    2.441011]  [<c0897e35>] ? __do_page_fault+0x45d/0x45d
[    2.441011]  [<c026d3f5>] ? SyS_init_module+0x72/0x8a
[    2.441011]  [<c089991a>] ? sysenter_do_call+0x12/0x22
[    2.441011] ---[ end trace c424884943f003b3 ]---

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