| Summary: |
[BDW]Piglit glx_GLX_OML_sync_control_timing_-divisor_1 causes WARNING drivers/gpu/drm/i915/intel_uncore.c:726 hsw_unclaimed_reg_debug.isra.12+0x62/0x72 [i915] |
| Product: |
DRI
|
Reporter: |
lu hua <huax.lu> |
| Component: |
DRM/Intel | Assignee: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Status: |
CLOSED
DUPLICATE
|
QA Contact: |
Intel GFX Bugs mailing list <intel-gfx-bugs> |
| Severity: |
normal
|
|
|
| Priority: |
medium
|
CC: |
intel-gfx-bugs
|
| Version: |
unspecified | |
|
| Hardware: |
All | |
|
| OS: |
Linux (All) | |
|
| Whiteboard: |
|
|
i915 platform:
|
|
i915 features:
|
|
|---|
| Attachments: |
| Description |
Flags |
|
dmesg
|
none
|
|
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Created attachment 110381 [details] dmesg ==System Environment== -------------------------- Regression: not sure Non-working platforms: BDW Libdrm: (master)libdrm-2.4.58-19-gf99522e678dbbaffeca9462a8edcbe900574dc12 Mesa: (master)7b0067d23a6f64cf83c42e7f11b2cd4100c569fe Xserver: (master)xorg-server-1.16.99.901-21-g4b0d0df34f10a88c10cb23dd50087b59f5c4fece Xf86_video_intel:(master)2.99.916-165-g9c2c485df9fd39ae36779f765a892e36835a8001 Libva: (master)c095cc6cf08523cd0dffcfe5ac4bce9122527f22 Libva_intel_driver:(master)edbb8cdada09cd116103e68f942b0889fd767391 ==kernel== -------------------------- drm-intel-nightly/691817ae2a8f37cb1df33f21a6dd1c15a8832693 drm-intel-next-queued/5c8437fa462d45f5a6ae1020d340f6c8e6763df6 drm-intel-fixes/009d0431c3914de64666bec0d350e54fdd59df6a ==Bug detailed description== ----------------------------- It causes "WARNING: CPU: 0 PID: 4925 at drivers/gpu/drm/i915/intel_uncore.c:726 hsw_unclaimed_reg_debug.isra.12+0x62/0x72 [i915]()". Test on latest drm-intel-nightly, drm-intel-next-queued and drm-intel-fixes kernel, they all have this issue. Test on earlier kernel(2014_10_23/drm-intel-next-queued/1577c3c641970550bf9c4038f152e33c58428045), it also has this issue. output: root@x-bdw05:/GFX/Test/Piglit/piglit# bin/glx-oml-sync-control-timing -divisor 1 libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so libGL: Error in /etc/drirc line 1, column 0: no element found. libGL: Error in /root/.drirc line 1, column 0: no element found. libGL: Error in /etc/drirc line 1, column 0: no element found. libGL: Error in /root/.drirc line 1, column 0: no element found. PIGLIT: {"result": "pass" } root@x-bdw05:/GFX/Test/Piglit/piglit# bin/glx-oml-sync-control-timing -divisor 1 libGL: OpenDriver: trying /opt/X11R7/lib/dri/tls/i965_dri.so libGL: OpenDriver: trying /opt/X11R7/lib/dri/i965_dri.so libGL: Error in /etc/drirc line 1, column 0: no element found. libGL: Error in /root/.drirc line 1, column 0: no element found. libGL: Error in /etc/drirc line 1, column 0: no element found. libGL: Error in /root/.drirc line 1, column 0: no element found. iteration 0 woke up 1 MSCs later than expected PIGLIT: {"result": "warn" } [ 85.973496] ------------[ cut here ]------------ [ 85.973516] WARNING: CPU: 0 PID: 4925 at drivers/gpu/drm/i915/intel_uncore.c:726 hsw_unclaimed_reg_debug.isra.12+0x62/0x72 [i915]() [ 85.973519] Unclaimed register detected before writing to register 0x44404 [ 85.973519] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support ppdev snd_hda_codec_hdmi pcspkr snd_hda_intel snd_hda_controller i2c_i801 snd_hda_codec snd_hwdep lpc_ich snd_pcm mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea [ 85.973536] CPU: 0 PID: 4925 Comm: X Not tainted 3.18.0-rc7_drm-intel-nightly_691817_20141202+ #2170 [ 85.973537] 0000000000000000 0000000000000009 ffffffff8178d622 ffff8800022efbe8 [ 85.973540] ffffffff8103a8cc ffff880002cd3bc0 ffffffffa00c0974 000000000000003f [ 85.973542] ffff880002cd0060 0000000000044404 0000000000044404 000000006ffff8ee [ 85.973544] Call Trace: [ 85.973550] [<ffffffff8178d622>] ? dump_stack+0x41/0x51 [ 85.973554] [<ffffffff8103a8cc>] ? warn_slowpath_common+0x78/0x90 [ 85.973565] [<ffffffffa00c0974>] ? hsw_unclaimed_reg_debug.isra.12+0x62/0x72 [i915] [ 85.973568] [<ffffffff8103a97c>] ? warn_slowpath_fmt+0x45/0x4a [ 85.973578] [<ffffffffa00c0974>] ? hsw_unclaimed_reg_debug.isra.12+0x62/0x72 [i915] [ 85.973587] [<ffffffffa00c135d>] ? gen8_write32+0x8e/0x11a [i915] [ 85.973597] [<ffffffffa00ab338>] ? gen8_enable_vblank+0x5a/0x85 [i915] [ 85.973603] [<ffffffffa0010ecc>] ? drm_vblank_enable+0x51/0xa7 [drm] [ 85.973609] [<ffffffffa001124b>] ? drm_vblank_get+0x46/0xa6 [drm] [ 85.973615] [<ffffffffa00123b1>] ? drm_wait_vblank+0x8f/0x4c6 [drm] [ 85.973620] [<ffffffffa0010738>] ? drm_ioctl+0x279/0x3bc [drm] [ 85.973626] [<ffffffffa0012322>] ? drm_modeset_ctl+0x49/0x49 [drm] [ 85.973629] [<ffffffff8107b426>] ? enqueue_hrtimer+0x36/0x6d [ 85.973631] [<ffffffff8107bb1f>] ? __hrtimer_start_range_ns+0x276/0x29f [ 85.973634] [<ffffffff8111e6e3>] ? do_vfs_ioctl+0x3ec/0x435 [ 85.973637] [<ffffffff8111e775>] ? SyS_ioctl+0x49/0x78 [ 85.973640] [<ffffffff81792cd2>] ? system_call_fastpath+0x12/0x17 [ 85.973641] ---[ end trace 8075263230200184 ]--- [ 85.975191] ------------[ cut here ]------------ Reproduce steps: ------------------------- 1. xinit& 2. ./bin/glx-oml-sync-control-timing -divisor 1 -auto