<html>
<head>
<base href="https://bugs.freedesktop.org/" />
</head>
<body><span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span> changed
<a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [SNB regression]igt/drv_module_reload causes "WARNING: CPU: 0 PID: 4163 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_vblank+0x40/0x52 [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=86685">bug 86685</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;">Status</td>
<td>NEEDINFO
</td>
<td>ASSIGNED
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [SNB regression]igt/drv_module_reload causes "WARNING: CPU: 0 PID: 4163 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_vblank+0x40/0x52 [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=86685#c2">Comment # 2</a>
on <a class="bz_bug_link
bz_status_ASSIGNED "
title="ASSIGNED - [SNB regression]igt/drv_module_reload causes "WARNING: CPU: 0 PID: 4163 at drivers/gpu/drm/i915/i915_irq.c:154 ironlake_disable_vblank+0x40/0x52 [i915]()""
href="https://bugs.freedesktop.org/show_bug.cgi?id=86685">bug 86685</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>(In reply to Daniel Vetter from <a href="show_bug.cgi?id=86685#c1">comment #1</a>)
<span class="quote">> Just to double-check: -nightly works well?
>
> Also I'm pretty sure that SNB module reload once worked, so upgrading to
> regression.</span >
Here has another <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [HSW/BYT Bisected]igt/drv_module_reload causes WARNING "Memory manager not clean during takedown." + slab not clean"
href="show_bug.cgi?id=86507">bug 86507</a> on -nightly
[root@x-hnr9 ~]# cd /GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests/
[root@x-hnr9 tests]# ./drv_module_reload
unbinding /sys/class/vtconsole/vtcon0/: (M) frame buffer device
module successfully unloaded
[root@x-hnr9 tests]# dmesg -r|egrep "<[1-4]>"|grep drm
<4>[ 150.769139] WARNING: CPU: 0 PID: 4160 at drivers/gpu/drm/drm_mm.c:765
i915_global_gtt_cleanup+0x3a/0x80 [i915]()
<4>[ 150.769147] Modules linked in: dm_mod snd_hda_codec_hdmi
snd_hda_codec_idt snd_hda_codec_generic iTCO_wdt iTCO_vendor_support ppdev
joydev pcspkr serio_raw uvcvideo videobuf2_vmalloc videobuf2_memops
firewire_ohci videobuf2_core v4l2_common videodev snd_hda_controller
snd_hda_codec firewire_core snd_hwdep crc_itu_t snd_pcm lpc_ich mfd_core
snd_timer snd soundcore wmi parport_pc parport battery tpm_infineon tpm_tis tpm
ac acpi_cpufreq i915(-) button video drm_kms_helper drm cfbfillrect cfbimgblt
cfbcopyarea [last unloaded: snd_hda_intel]
<4>[ 150.769199] CPU: 0 PID: 4160 Comm: rmmod Not tainted
3.18.0-rc6_drm-intel-nightly_ab4b25_20141125+ #1918
<4>[ 150.769310] [<ffffffffa0023959>] ? drm_modeset_unlock_all+0x41/0x50
[drm]
<4>[ 150.769320] [<ffffffffa001308d>] ? drm_dev_unregister+0x1e/0x8b [drm]
<4>[ 150.769331] [<ffffffffa001394f>] ? drm_put_dev+0x3e/0x47 [drm]
<4>[ 150.769374] [<ffffffffa00151a1>] ? drm_pci_exit+0x39/0x9c [drm]
<4>[ 150.769478] CPU: 0 PID: 4160 Comm: rmmod Tainted: G B W
3.18.0-rc6_drm-intel-nightly_ab4b25_20141125+ #1918
<4>[ 150.769617] [<ffffffffa0023959>] ? drm_modeset_unlock_all+0x41/0x50
[drm]
<4>[ 150.769624] [<ffffffffa001308d>] ? drm_dev_unregister+0x1e/0x8b [drm]
<4>[ 150.769631] [<ffffffffa001394f>] ? drm_put_dev+0x3e/0x47 [drm]
<4>[ 150.769657] [<ffffffffa00151a1>] ? drm_pci_exit+0x39/0x9c [drm]
<4>[ 150.769679] CPU: 0 PID: 4160 Comm: rmmod Tainted: G B W
3.18.0-rc6_drm-intel-nightly_ab4b25_20141125+ #1918
<4>[ 150.769720] [<ffffffffa0023959>] ? drm_modeset_unlock_all+0x41/0x50
[drm]
<4>[ 150.769726] [<ffffffffa001308d>] ? drm_dev_unregister+0x1e/0x8b [drm]
<4>[ 150.769733] [<ffffffffa001394f>] ? drm_put_dev+0x3e/0x47 [drm]
<4>[ 150.769770] [<ffffffffa00151a1>] ? drm_pci_exit+0x39/0x9c [drm]</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the QA Contact for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the assignee for the bug.</li>
</ul>
</body>
</html>