Created attachment 101657 [details] dmesg ==System Environment== -------------------------- Regression: Yes. The fail rate is about 1 out of 3 I unable to find good commit Non-working platforms: SNB ==kernel== -------------------------- origin/drm-intel-nightly: 794975a476b0b5e16d04ed1e5d082b9e2b54b4fb(fails) drm-intel-nightly: 2014y-06m-23d-10h-38m-48s integration manifest origin/drm-intel-next-queued: 9c33baa6b3bbb01c1a88dceba986b20e6642cf31(fails) drivers/i915: Fix unnoticed failure of init_ring_common() origin/drm-intel-fixes: bfafe93a1cd466ef318b7e5f6c65f59aee147791(fails) drm/i915: cache hw power well enabled state ==Bug detailed description== ----------------------------- igt/pm_rpm subcases causes " WARNING: CPU: 2 PID: 3795 at drivers/gpu/drm/i915/intel_display.c:10543 check_crtc_state+0x198/0x888 [i915]()" sporadically Case list: igt/pm_rpm/modeset-non-lpsp-stress igt/pm_rpm/modeset-non-lpsp-stress-no-wait igt/pm_rpm/modeset-stress-extra-wait igt/pm_rpm/pci-d3-state igt/pm_rpm/reg-read-ioctl igt/pm_rpm/rte igt/pm_rpm/sysfs-read igt/pm_rpm/system-suspend Output: [root@x-sgb4 tests]# ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait IGT-Version: 1.7-gfedb9b6 (i686) (Linux: 3.16.0-rc2_drm-intel-nightly_794975_20140624+ i686) Runtime PM support: 1 PC8 residency support: 0 Subtest modeset-non-lpsp-stress-no-wait: SUCCESS Dmesg shows: [ 465.280645] WARNING: CPU: 2 PID: 3795 at drivers/gpu/drm/i915/intel_display.c:10543 check_crtc_state+0x198/0x888 [i915]() [ 465.280646] crtc active state doesn't match with hw state (expected 0, found 1) [ 465.280647] 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 i2c_i801 snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm lpc_ich mfd_core snd_timer snd soundcore tpm_tis parport_pc tpm parport acpi_cpufreq i915 video button drm_kms_helper drm [ 465.280658] CPU: 2 PID: 3795 Comm: pm_rpm Tainted: G W 3.16.0-rc2_drm-intel-nightly_794975_20140624+ #3850 [ 465.280659] Hardware name: Dell Inc. OptiPlex 990/0DXWW6, BIOS A02 02/26/2011 [ 465.280659] 00000000 c16f4ae7 f4d5baf0 c10311b0 f81e7ca1 f5013000 f4d291e4 c28a8001 [ 465.280662] f4d291e0 c103122b 00000009 f4d5baf0 f822fba5 f4d5bb08 f81e7ca1 f822f374 [ 465.280665] 0000292f f822fba5 00000000 00000001 00000a90 f5b0a6c4 c2f757eb f4d5bb34 [ 465.280667] Call Trace: [ 465.280669] [<c16f4ae7>] ? dump_stack+0x3e/0x4e [ 465.280671] [<c10311b0>] ? warn_slowpath_common+0x65/0x78 [ 465.280679] [<f81e7ca1>] ? check_crtc_state+0x198/0x888 [i915] [ 465.280681] [<c103122b>] ? warn_slowpath_fmt+0x29/0x2d [ 465.280688] [<f81e7ca1>] ? check_crtc_state+0x198/0x888 [i915] [ 465.280699] [<f81f3563>] ? intel_modeset_check_state+0x2ea/0x56f [i915] [ 465.280701] [<c16f201e>] ? printk+0x16/0x1a [ 465.280709] [<f81f3808>] ? intel_set_mode+0x20/0x25 [i915] [ 465.280716] [<f81f4288>] ? intel_crtc_set_config+0x62f/0x92c [i915] [ 465.280720] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm] [ 465.280723] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm] [ 465.280728] [<f8098219>] ? drm_mode_set_config_internal+0x39/0x8a [drm] [ 465.280731] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm] [ 465.280735] [<f809b26a>] ? drm_mode_setcrtc+0x373/0x405 [drm] [ 465.280739] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm] [ 465.280743] [<f80908cb>] ? drm_ioctl+0x22e/0x35f [drm] [ 465.280746] [<f809aef7>] ? drm_mode_setplane+0x136/0x136 [drm] [ 465.280750] [<f809069d>] ? drm_copy_field+0x47/0x47 [drm] [ 465.280752] [<c10ed665>] ? do_vfs_ioctl+0x3fa/0x444 [ 465.280754] [<c1073b56>] ? clockevents_program_event+0xe6/0x107 [ 465.280756] [<c1074d88>] ? tick_program_event+0x1c/0x1f [ 465.280758] [<c1048580>] ? hrtimer_interrupt+0x14d/0x205 [ 465.280760] [<c10ed6f1>] ? SyS_ioctl+0x42/0x6d [ 465.280761] [<c16f99e8>] ? sysenter_do_call+0x12/0x22 [ 465.280762] ---[ end trace 40dd835f1176ec25 ]--- ==Reproduce steps== ---------------------------- 1. ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait
Please apply https://bugs.freedesktop.org/attachment.cgi?id=102162 and test it again.
(In reply to comment #1) > Please apply https://bugs.freedesktop.org/attachment.cgi?id=102162 and test > it again. The Calltrace unable to reproduce with this patch. but the test was skipped. Output: [root@x-sgb3 tests]# ./pm_rpm --run-subtest modeset-non-lpsp-stress-no-wait IGT-Version: 1.7-g67e29a3 (x86_64) (Linux: 3.15.0-rc8_kcloud_152811_20140703+ x86_64) Runtime PM support: 1 PC8 residency support: 0 Test requirement not met in function modeset_subtest, file pm_rpm.c:764: Last errno: 2, No such file or directory Test requirement: (!(enable_one_screen_with_type(&ms_data, type))) Subtest modeset-non-lpsp-stress-no-wait: SKIP [root@x-sgb3 tests]# dmesg|grep Call
Let's keep the all the "SNB runtime PM" bugs under the same bucket. *** This bug has been marked as a duplicate of bug 80463 ***
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