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<body><span class="vcard"><a class="email" href="mailto:rodrigo.vivi@gmail.com" title="Rodrigo Vivi <rodrigo.vivi@gmail.com>"> <span class="fn">Rodrigo Vivi</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BYT/BDW]igt/gem_workarounds some subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83338">bug 83338</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;">Assignee</td>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
<td>rodrigo.vivi@gmail.com
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BYT/BDW]igt/gem_workarounds some subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83338#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED --- - [BYT/BDW]igt/gem_workarounds some subcases fail"
href="https://bugs.freedesktop.org/show_bug.cgi?id=83338">bug 83338</a>
from <span class="vcard"><a class="email" href="mailto:rodrigo.vivi@gmail.com" title="Rodrigo Vivi <rodrigo.vivi@gmail.com>"> <span class="fn">Rodrigo Vivi</span></a>
</span></b>
<pre>Actually it isn't gone, but the message is different and shows exactly what
register we shouldn't be touching and when:
[ 62.556252] [drm:hsw_disable_pc8] Disabling package C8+
[ 62.556254] ------------[ cut here ]------------
[ 62.556274] WARNING: CPU: 3 PID: 4192 at
drivers/gpu/drm/i915/intel_uncore.c:525
hsw_unclaimed_reg_debug.isra.11+0x62/0x72 [i915]()
[ 62.556275] Unclaimed register detected before reading register 0x130040
[ 62.556291] Modules linked in: ip6table_filter ip6_tables ipv6
iptable_filter ip_tables ebtable_nat ebtables x_tables iTCO_wdt
iTCO_vendor_support ppdev dm_mod snd_hda_codec_hdmi pcspkr i2c_i801
snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm lpc_ich
mfd_core snd_timer snd soundcore battery parport_pc parport ac acpi_cpufreq
i915 button video drm_kms_helper drm cfbfillrect cfbimgblt cfbcopyarea
[ 62.556294] CPU: 3 PID: 4192 Comm: kworker/u16:19 Not tainted
3.17.0-rc6_drm-intel-nightly_0f7cc1_20140925+ #2780
[ 62.556300] Workqueue: events_unbound async_run_entry_fn
[ 62.556303] 0000000000000000 0000000000000009 ffffffff8178025c
ffff88000267fc38
[ 62.556306] ffffffff8103a8ec ffff880143c4a800 ffffffffa00b9500
ffffffffa007d500
[ 62.556309] ffff880002e30060 0000000000130040 ffff880002e30068
ffff880002e30060
[ 62.556309] Call Trace:
[ 62.556315] [<ffffffff8178025c>] ? dump_stack+0x41/0x51
[ 62.556319] [<ffffffff8103a8ec>] ? warn_slowpath_common+0x78/0x90
[ 62.556335] [<ffffffffa00b9500>] ?
hsw_unclaimed_reg_debug.isra.11+0x62/0x72 [i915]
[ 62.556343] [<ffffffffa007d500>] ? i915_drm_thaw_early+0x35/0x56 [i915]
[ 62.556346] [<ffffffff8103a99c>] ? warn_slowpath_fmt+0x45/0x4a
[ 62.556357] [<ffffffffa00b9500>] ?
hsw_unclaimed_reg_debug.isra.11+0x62/0x72 [i915]
[ 62.556367] [<ffffffffa00b9658>] ? gen6_read32+0x47/0x101 [i915]
[ 62.556374] [<ffffffffa007d500>] ? i915_drm_thaw_early+0x35/0x56 [i915]
[ 62.556387] [<ffffffffa00cd0f7>] ? hsw_disable_pc8+0x3f/0x2cd [i915]
[ 62.556394] [<ffffffffa007d500>] ? i915_drm_thaw_early+0x35/0x56 [i915]
[ 62.556401] [<ffffffffa007ce87>] ? intel_resume_prepare+0x5d/0x590 [i915]
[ 62.556408] [<ffffffffa007d567>] ? i915_resume_early+0x3d/0x3d [i915]
[ 62.556415] [<ffffffffa007d4e0>] ? i915_drm_thaw_early+0x15/0x56 [i915]
[ 62.556418] [<ffffffff813e4620>] ? dpm_run_callback+0x57/0xcf
[ 62.556420] [<ffffffff813e4d8e>] ? device_resume_early+0x131/0x173
[ 62.556423] [<ffffffff813e5034>] ? async_resume_early+0x14/0x38
[ 62.556425] [<ffffffff810512a3>] ? async_run_entry_fn+0x55/0x10b
[ 62.556428] [<ffffffff8104ba25>] ? process_one_work+0x1ae/0x31c
[ 62.556430] [<ffffffff8104be0d>] ? worker_thread+0x255/0x350
[ 62.556433] [<ffffffff8104bbb8>] ? process_scheduled_works+0x25/0x25
[ 62.556434] [<ffffffff8104f5fe>] ? kthread+0xc5/0xcd
[ 62.556437] [<ffffffff8104f539>] ? kthread_freezable_should_stop+0x40/0x40
[ 62.556439] [<ffffffff81785bec>] ? ret_from_fork+0x7c/0xb0
[ 62.556441] [<ffffffff8104f539>] ? kthread_freezable_should_stop+0x40/0x40
[ 62.556442] ---[ end trace d94d76f83f485195 ]---</pre>
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