[Bug 78059] New: [SNB/IVB/HSW/BSW]WARNING: CPU: 6 PID: 4328 at drivers/gpu/drm/i915/intel_uncore.c:460 gen6_gt_force_wake_put+0xde/0x134 [i915]() while running igt/drv_suspend/forcewake

Mon Apr 28 22:15:57 PDT 2014

https://bugs.freedesktop.org/show_bug.cgi?id=78059

          Priority: medium
            Bug ID: 78059
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [SNB/IVB/HSW/BSW]WARNING: CPU: 6 PID: 4328 at
                    drivers/gpu/drm/i915/intel_uncore.c:460
                    gen6_gt_force_wake_put+0xde/0x134 [i915]() while
                    running igt/drv_suspend/forcewake
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 98155
  --> https://bugs.freedesktop.org/attachment.cgi?id=98155&action=edit
dmesg

System Environment:
--------------------------
Platform: IVB SNB HSW
kernel:   (drm-intel-nightly)11ddb598492d1f97f894495eea398febb41a9eb0


Bug detailed description:
----------------------------
WARNING: CPU: 6 PID: 4328 at drivers/gpu/drm/i915/intel_uncore.c:460
gen6_gt_force_wake_put+0xde/0x134 [i915]() while running
igt/drv_suspend/forcewake on
-nightyly(11ddb598492d1f97f894495eea398febb41a9eb0)
-next-queued(b7c0d9df97c10ec5693a838df2fd53058f8e9e96) and
-fixs(7f1950fbb989e8fc5463b307e062b4529d51c862)

The CallTrace always exist

CallTrace:
[  112.388275] WARNING: CPU: 6 PID: 4328 at
drivers/gpu/drm/i915/intel_uncore.c:460 gen6_gt_force_wake_put+0xde/0x134
[i915]()
[  112.388902] Modules linked in: ip6table_filter ip6_tables ebtable_nat
ebtables nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT
iptable_mangle xt_tcpudp iptable_filter ip_tables x_tables bridge stp llc ipv6
dm_mod snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi iTCO_wdt
iTCO_vendor_support dcdbas serio_raw pcspkr i2c_i801 snd_hda_intel
snd_hda_controller snd_hda_codec lpc_ich snd_hwdep shpchp mfd_core snd_pcm
snd_timer snd soundcore battery acpi_cpufreq i915 video button drm_kms_helper
drm
[  112.390929] CPU: 6 PID: 4328 Comm: drv_suspend Not tainted
3.15.0-rc2_drm-intel-nightly_11ddb5_20140428+ #2094
[  112.391614] Hardware name: Dell Inc. OptiPlex 9020/0DNKMN, BIOS A03
09/17/2013
[  112.392004]  0000000000000000 0000000000000009 ffffffff81722e60
0000000000000000
[  112.392367]  ffffffff8103516a 0000000000000286 ffffffffa008edef
0000000100000002
[  112.392720]  ffff8801153e0000 0000000000000008 ffff8801153e0070
0000000000000246
[  112.393098] Call Trace:
[  112.393428]  [<ffffffff81722e60>] ? dump_stack+0x41/0x51
[  112.393771]  [<ffffffff8103516a>] ? warn_slowpath_common+0x73/0x8b
[  112.394123]  [<ffffffffa008edef>] ? gen6_gt_force_wake_put+0xde/0x134 [i915]
[  112.394445]  [<ffffffffa008edef>] ? gen6_gt_force_wake_put+0xde/0x134 [i915]
[  112.394774]  [<ffffffffa006ed75>] ? i915_forcewake_release+0x1c/0x23 [i915]
[  112.395094]  [<ffffffff810e197e>] ? __fput+0xdb/0x1a8
[  112.395398]  [<ffffffff81049668>] ? task_work_run+0x73/0x87
[  112.395696]  [<ffffffff810024ce>] ? do_notify_resume+0x53/0x68
[  112.396026]  [<ffffffff8172d8aa>] ? int_signal+0x12/0x17
[  112.396319] ---[ end trace 97d19685c22bbb77 ]---
[  112.396878] [drm:intel_crtc_cursor_set] cursor off
[  112.396880] [drm:intel_crtc_set_config] [CRTC:5] [FB:30] #connectors=1 (x y)
(0 0)
[  112.396882] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:5], mode_changed=0, fb_changed=0
[  112.396883] [drm:intel_modeset_stage_output_state] [CONNECTOR:13:VGA-1] to
[CRTC:5]
[  112.396884] [drm:intel_crtc_cursor_set] cursor off
[  112.396885] [drm:intel_crtc_set_config] [CRTC:8] [NOFB]
[  112.396886] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:8], mode_changed=0, fb_changed=0
[  112.396887] [drm:intel_modeset_stage_output_state] [CONNECTOR:13:VGA-1] to
[CRTC:5]
[  112.396888] [drm:intel_crtc_cursor_set] cursor off
[  112.396889] [drm:intel_crtc_set_config] [CRTC:11] [NOFB]
[  112.396890] [drm:intel_set_config_compute_mode_changes] computed changes for
[CRTC:11], mode_changed=0, fb_changed=0
[  112.396890] [drm:intel_modeset_stage_output_state] [CONNECTOR:13:VGA-1] to
[CRTC:5]
[  112.510831] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
[  112.513234] ata3.00: configured for UDMA/100
[  113.756348] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[  113.760375] [drm:gen6_enable_rps] Overclocking supported. Max: 1200MHz,
Overclock max: 1200MHz

output:
./drv_suspend  --run-subtest forcewake
IGT-Version: 1.6-ga595a40 (x86_64) (Linux:
3.15.0-rc2_drm-intel-fixes_7f1950_20140428+ x86_64)
rtcwake: wakeup from "mem" using /dev/rtc0 at Tue Apr 29 05:09:34 2014
Subtest forcewake: SUCCESS

Reproduce steps:
---------------------------- 
1. ./drv_suspend  --run-subtest forcewake

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20140429/f899beb8/attachment-0001.html>