<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [BDW Regression]igt/kms_flip/vblank-vs-modeset-suspend causes "WARNING: CPU: 2 PID: 1051 at drivers/gpu/drm/i915/i915_irq.c:267 intel_gen6_powersave_work+0xa49/0xf1e [i915]()"" href="https://bugs.freedesktop.org/show_bug.cgi?id=80376#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [BDW Regression]igt/kms_flip/vblank-vs-modeset-suspend causes "WARNING: CPU: 2 PID: 1051 at drivers/gpu/drm/i915/i915_irq.c:267 intel_gen6_powersave_work+0xa49/0xf1e [i915]()"" href="https://bugs.freedesktop.org/show_bug.cgi?id=80376">bug 80376</a> from <a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> Guo Jinxian</a> <pre>Created <a href="attachment.cgi?id=101644" name="attach_101644" title="dmesg">attachment 101644</a> <a href="attachment.cgi?id=101644&action=edit" title="dmesg">[details]</a> dmesg The similar failure found on SNB Dmesg shows: [ 38.969312] WARNING: CPU: 1 PID: 3819 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_vblank+0x38/0x45 [i915]() [ 38.969320] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support ppdev dcdbas serio_raw pcspkr snd_hda_intel i2c_i801 snd_hda_controller snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore tpm_tis parport_pc parport tpm acpi_cpufreq i915 video button drm_kms_helper drm [ 38.969322] CPU: 1 PID: 3819 Comm: kworker/u16:12 Not tainted 3.16.0-rc2_drm-intel-nightly_794975_20140624+ #3850 [ 38.969322] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011 [ 38.969325] Workqueue: events_unbound async_run_entry_fn [ 38.969328] c1a92d70 c16f4ae7 00000000 c10311b0 f81d4e82 00000080 f4f20000 f4f23ac8 [ 38.969329] 00000002 c10311d0 00000009 00000000 f81d4e82 00000000 f4ca9000 00000000 [ 38.969331] 00000000 f80928ca 00000286 00000286 00000000 00000000 f4ca9000 f4ca90ec [ 38.969331] Call Trace: [ 38.969335] [<c16f4ae7>] ? dump_stack+0x3e/0x4e [ 38.969337] [<c10311b0>] ? warn_slowpath_common+0x65/0x78 [ 38.969345] [<f81d4e82>] ? ironlake_disable_vblank+0x38/0x45 [i915] [ 38.969346] [<c10311d0>] ? warn_slowpath_null+0xd/0x10 [ 38.969353] [<f81d4e82>] ? ironlake_disable_vblank+0x38/0x45 [i915] [ 38.969358] [<f80928ca>] ? vblank_disable_and_save+0x2b/0x156 [drm] [ 38.969367] [<f81ea26b>] ? intel_mark_fb_busy.part.34+0x29/0x52 [i915] [ 38.969371] [<f8092fac>] ? drm_vblank_off+0x27/0x10d [drm] [ 38.969381] [<f81f20c8>] ? ironlake_crtc_disable+0x30/0x6ef [i915] [ 38.969384] [<f80a217c>] ? drm_modeset_lock+0x2a/0x78 [drm] [ 38.969390] [<f81b320a>] ? i915_drm_freeze+0xae/0x12c [i915] [ 38.969392] [<c12f0ed3>] ? pci_pm_suspend+0x64/0xd3 [ 38.969393] [<c12f0e6f>] ? pci_pm_freeze+0x88/0x88 [ 38.969396] [<c136e102>] ? dpm_run_callback+0x43/0xa8 [ 38.969398] [<c136ec8f>] ? __device_suspend+0x186/0x1e3 [ 38.969399] [<c136ed00>] ? async_suspend+0x14/0x6b [ 38.969400] [<c1049da4>] ? async_run_entry_fn+0x56/0xfd [ 38.969402] [<c1041dc7>] ? process_one_work+0x191/0x2ea [ 38.969404] [<c104fac6>] ? try_to_wake_up+0x1e7/0x1f1 [ 38.969405] [<c10424a1>] ? worker_thread+0x29d/0x384 [ 38.969407] [<c1042204>] ? pool_mayday_timeout+0xb1/0xb1 [ 38.969408] [<c1045dbe>] ? kthread+0xa1/0xa6 [ 38.969410] [<c16f9921>] ? ret_from_kernel_thread+0x21/0x30 [ 38.969411] [<c1045d1d>] ? kthread_freezable_should_stop+0x3b/0x3b [ 38.969412] ---[ end trace bb5e729c616aa520 ]--- [ 38.969416] ------------[ cut here ]------------ [ 38.969424] WARNING: CPU: 1 PID: 3819 at drivers/gpu/drm/i915/i915_irq.c:423 intel_set_pch_fifo_underrun_reporting+0xc7/0x124 [i915]() [ 38.969431] Modules linked in: dm_mod snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic iTCO_wdt iTCO_vendor_support ppdev dcdbas serio_raw pcspkr snd_hda_intel i2c_i801 snd_hda_controller snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore tpm_tis parport_pc parport tpm acpi_cpufreq i915 video button drm_kms_helper drm [ 38.969432] CPU: 1 PID: 3819 Comm: kworker/u16:12 Tainted: G W 3.16.0-rc2_drm-intel-nightly_794975_20140624+ #3850 [ 38.969433] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011 [ 38.969434] Workqueue: events_unbound async_run_entry_fn [ 38.969435] c1a92d70 c16f4ae7 00000000 c10311b0 f81d6835 f4f20000 00000000 00000001 [ 38.969437] f4ca9000 c10311d0 00000009 00000000 f81d6835 00000200 f4f23ac8 00000282 [ 38.969439] f4f20000 f4ca91e4 f582d000 f4ca91e0 f81f2112 f80a217c f582f000 f4ef4880 [ 38.969439] Call Trace: [ 38.969440] [<c16f4ae7>] ? dump_stack+0x3e/0x4e [ 38.969441] [<c10311b0>] ? warn_slowpath_common+0x65/0x78 [ 38.969448] [<f81d6835>] ? intel_set_pch_fifo_underrun_reporting+0xc7/0x124 [i915] [ 38.969449] [<c10311d0>] ? warn_slowpath_null+0xd/0x10 [ 38.969456] [<f81d6835>] ? intel_set_pch_fifo_underrun_reporting+0xc7/0x124 [i915] [ 38.969464] [<f81f2112>] ? ironlake_crtc_disable+0x7a/0x6ef [i915] [ 38.969467] [<f80a217c>] ? drm_modeset_lock+0x2a/0x78 [drm] [ 38.969473] [<f81b320a>] ? i915_drm_freeze+0xae/0x12c [i915] [ 38.969474] [<c12f0ed3>] ? pci_pm_suspend+0x64/0xd3 [ 38.969475] [<c12f0e6f>] ? pci_pm_freeze+0x88/0x88 [ 38.969476] [<c136e102>] ? dpm_run_callback+0x43/0xa8 [ 38.969477] [<c136ec8f>] ? __device_suspend+0x186/0x1e3 [ 38.969479] [<c136ed00>] ? async_suspend+0x14/0x6b [ 38.969480] [<c1049da4>] ? async_run_entry_fn+0x56/0xfd [ 38.969481] [<c1041dc7>] ? process_one_work+0x191/0x2ea [ 38.969482] [<c104fac6>] ? try_to_wake_up+0x1e7/0x1f1 [ 38.969484] [<c10424a1>] ? worker_thread+0x29d/0x384 [ 38.969485] [<c1042204>] ? pool_mayday_timeout+0xb1/0xb1 [ 38.969486] [<c1045dbe>] ? kthread+0xa1/0xa6 [ 38.969487] [<c16f9921>] ? ret_from_kernel_thread+0x21/0x30 [ 38.969488] [<c1045d1d>] ? kthread_freezable_should_stop+0x3b/0x3b [ 38.969489] ---[ end trace bb5e729c616aa521 ]---</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>