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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [BSW]igt/drv_module_reload fails and causes "[drm:i915_stolen_to_physical] *ERROR* conflict detected with stolen region: [0x7cf00000 - 0x7ef00000]""
href="https://bugs.freedesktop.org/show_bug.cgi?id=83486">83486</a>
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[BSW]igt/drv_module_reload fails and causes "[drm:i915_stolen_to_physical] *ERROR* conflict detected with stolen region: [0x7cf00000 - 0x7ef00000]"
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jinxianx.guo@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=105728" name="attach_105728" title="dmesg">attachment 105728</a> <a href="attachment.cgi?id=105728&action=edit" title="dmesg">[details]</a></span>
dmesg
==System Environment==
--------------------------
Regression: No.
This bug always exist
Non-working platforms: BSW
==kernel==
--------------------------
origin/drm-intel-nightly: 4144c90b76dfe6eaa2205ac947090786b5091cff(fails)
drm-intel-nightly: 2014y-09m-03d-15h-44m-26s integration manifest
origin/drm-intel-next-queued: 8fe8a3feeb5aedd17f7b09e51b60b38a6ba7005f(fails)
drm/i915: init sprites with univeral plane init function
origin/drm-intel-fixes: 77520c8fccc1a599ff7a7b786dacdfdad38b96e4(fails)
drm/i915: Prevent recursive deadlock on releasing a busy userptr
==Bug detailed description==
-----------------------------
igt/drv_module_reload fails and causes "[drm:i915_stolen_to_physical] *ERROR*
conflict detected with stolen region: [0x7cf00000 - 0x7ef00000]"
Output:
[root@x-bsw01 tests]# ./drv_module_reload
unbinding /sys/class/vtconsole/vtcon1/: (M) frame buffer device
./drv_module_reload: line 27: 3860 Killed rmmod i915
WARNING: i915.ko still loaded!
[root@x-bsw01 tests]# echo $?
1
[root@x-bsw01 tests]# dmesg -r|egrep ""<[1-4]>""|grep drm
<3>[ 2.212221] [drm:i915_stolen_to_physical] *ERROR* conflict detected with
stolen region: [0x7cf00000 - 0x7ef00000]
<4>[ 189.533537] Modules linked in: ip6table_filter ip6_tables iptable_filter
ip_tables ebtable_nat ebtables x_tables ipv6 dm_mod snd_hda_codec_hdmi
snd_hda_codec_realtek snd_hda_codec_generic serio_raw pcspkr snd_hda_controller
snd_hda_codec snd_hwdep i2c_i801 snd_pcm snd_timer r8169 snd soundcore battery
ac option usb_wwan usbserial i915(-) button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea [last unloaded: snd_hda_intel]
<4>[ 189.533612] CPU: 2 PID: 3860 Comm: rmmod Not tainted
3.17.0-rc2_drm-intel-nightly_4144c9_20140904+ #2116
<4>[ 189.533814] [<ffffffffa001aa7b>] ? drm_mode_config_cleanup+0x9b/0x23f
[drm]
<4>[ 189.533917] [<ffffffffa00133eb>] ? drm_dev_unregister+0x1e/0x8b [drm]
<4>[ 189.533938] [<ffffffffa0013ccf>] ? drm_put_dev+0x45/0x4e [drm]
<4>[ 189.534024] [<ffffffffa0015375>] ? drm_pci_exit+0x39/0x9c [drm]
==Reproduce steps==
----------------------------
1. ./drv_module_reload</pre>
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