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<body><span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW]Piglit spec_glsl-1.50_execution_geometry_max-input-components sporadically fail and causes WARNING drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81656">bug 81656</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Severity</td>
<td>normal
</td>
<td>critical
</td>
</tr>
<tr>
<td style="text-align:right;">Priority</td>
<td>medium
</td>
<td>high
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW]Piglit spec_glsl-1.50_execution_geometry_max-input-components sporadically fail and causes WARNING drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81656#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BDW]Piglit spec_glsl-1.50_execution_geometry_max-input-components sporadically fail and causes WARNING drivers/gpu/drm/i915/intel_uncore.c:528 hsw_unclaimed_reg_debug.isra.11+0x6c/0x7e"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81656">bug 81656</a>
from <span class="vcard"><a class="email" href="mailto:huax.lu@intel.com" title="lu hua <huax.lu@intel.com>"> <span class="fn">lu hua</span></a>
</span></b>
<pre>Many Ogles2conform cases also have this issue.
run ./GTF -width=64 -height=64
-run=GL2ExtensionTests/compressed_etc1_rgb8_texture/compressed_etc1_rgb8_texture.test
dmesg:
[ 107.805310] [drm:i915_gem_open]
[ 107.820568] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 107.830835] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 107.839506] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 107.840891] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 107.847169] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 107.856098] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 107.857232] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 107.863494] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 107.872751] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 107.873865] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 107.880113] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 107.889379] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 107.890489] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 107.896947] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 107.906058] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 107.907174] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 107.913490] [drm:hsw_unclaimed_reg_detect] *ERROR* Unclaimed register
detected. Please use the i915.mmio_debug=1 to debug this problem.
[ 107.922731] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 108.022633] [drm:_edp_panel_vdd_on] Turning eDP VDD on
[ 108.022644] [drm:_edp_panel_vdd_on] PP_STATUS: 0x80000008 PP_CONTROL:
0xabcd000f
dmesg(add i915.mmio_debug=1):
[ 72.433632] [drm:i915_gem_open]
[ 72.453475] [drm:i915_gem_context_create_ioctl] HW context 1 created
[ 72.467791] ------------[ cut here ]------------
[ 72.467832] WARNING: CPU: 0 PID: 0 at
drivers/gpu/drm/i915/intel_uncore.c:528
hsw_unclaimed_reg_debug.isra.11+0x62/0x72 [i915]()
[ 72.467836] Unclaimed register detected before reading register 0x44200
[ 72.467838] Modules linked in: ip6table_filter ip6_tables ipv6
iptable_filter ip_tables ebtable_nat ebtables x_tables dm_mod
snd_hda_codec_hdmi iTCO_wdt iTCO_vendor_support ppdev pcspkr i2c_i801
snd_hda_intel snd_hda_controller snd_hda_codec lpc_ich snd_hwdep mfd_core
snd_pcm snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq i915
button video drm_kms_helper drm
[ 72.467876] CPU: 0 PID: 0 Comm: swapper/0 Not tainted
3.16.0-rc6_drm-intel-nightly_608e8c_20140729+ #896
[ 72.467879] 0000000000000000 0000000000000009 ffffffff8178068d
ffff88014ec03dd8
[ 72.467884] ffffffff8103986c ffff880144440000 ffffffffa00a7434
00000000000000e0
[ 72.467888] ffff880002e50060 0000000000044200 ffff880002e50068
ffff880002e50060
[ 72.467893] Call Trace:
[ 72.467895] <IRQ> [<ffffffff8178068d>] ? dump_stack+0x41/0x51
[ 72.467908] [<ffffffff8103986c>] ? warn_slowpath_common+0x78/0x90
[ 72.467928] [<ffffffffa00a7434>] ?
hsw_unclaimed_reg_debug.isra.11+0x62/0x72 [i915]
[ 72.467933] [<ffffffff8103991c>] ? warn_slowpath_fmt+0x45/0x4a
[ 72.467953] [<ffffffffa00a7434>] ?
hsw_unclaimed_reg_debug.isra.11+0x62/0x72 [i915]
[ 72.467969] [<ffffffffa00a758c>] ? gen6_read32+0x47/0x101 [i915]
[ 72.467988] [<ffffffffa009c9fd>] ? gen8_irq_handler+0x2b/0x343 [i915]
[ 72.467994] [<ffffffff81043706>] ? get_next_timer_interrupt+0x199/0x211
[ 72.467999] [<ffffffff81074ed0>] ? handle_irq_event_percpu+0x4f/0x179
[ 72.468004] [<ffffffff81075028>] ? handle_irq_event+0x2e/0x4e
[ 72.468009] [<ffffffff8107746f>] ? handle_edge_irq+0xbb/0xde
[ 72.468014] [<ffffffff81004149>] ? handle_irq+0x15/0x20
[ 72.468018] [<ffffffff81003c00>] ? do_IRQ+0x43/0xc4
[ 72.468023] [<ffffffff81786caa>] ? common_interrupt+0x6a/0x6a
[ 72.468025] <EOI> [<ffffffff81009e39>] ? default_idle+0x35/0x90
[ 72.468035] [<ffffffff81068ac5>] ? cpu_startup_entry+0x179/0x35c
[ 72.468041] [<ffffffff81c55df2>] ? start_kernel+0x3de/0x3e9
[ 72.468045] [<ffffffff81c5582b>] ? set_init_arg+0x50/0x50
[ 72.468049] ---[ end trace a23feaff86a32745 ]---
[ 72.470616] [drm:i915_gem_context_destroy_ioctl] HW context 1 destroyed
[ 72.471954] [drm:i915_gem_context_create_ioctl] HW context 1 created
Increasing priority, It impacts so many cases.</pre>
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