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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 --- - [GM45]igt/module_reload cause <3>[ 159.350832] [drm:drm_mm_takedown] *ERROR* Memory manager not clean. Delaying takedown"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=65953">bug 65953</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>NEW
           </td>
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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [GM45]igt/module_reload cause <3>[ 159.350832] [drm:drm_mm_takedown] *ERROR* Memory manager not clean. Delaying takedown"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=65953#c9">Comment # 9</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW --- - [GM45]igt/module_reload cause <3>[ 159.350832] [drm:drm_mm_takedown] *ERROR* Memory manager not clean. Delaying takedown"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=65953">bug 65953</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>(In reply to <a href="show_bug.cgi?id=65953#c8">comment #8</a>)
<span class="quote">> (In reply to <a href="show_bug.cgi?id=65953#c7">comment #7</a>)
> > (In reply to <a href="show_bug.cgi?id=65953#c6">comment #6</a>)
> > > Created <span class=""><a href="attachment.cgi?id=81590" name="attach_81590" title="don't tear down un-initiaizled stolen drm_mm">attachment 81590</a> <a href="attachment.cgi?id=81590&action=edit" title="don't tear down un-initiaizled stolen drm_mm">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=65953&attachment=81590'>[review]</a> [review] [review] [review]
> > > don't tear down un-initiaizled stolen drm_mm
> > > 
> > > Please test the attached patch, thanks.
> > 
> > It still exists.

> Can you please double-check the patch with the following debug diff applied
> on top (and then attach dmesg afterwards)?

> diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
> index f9d4873..d303e31 100644
> --- a/drivers/gpu/drm/drm_mm.c
> +++ b/drivers/gpu/drm/drm_mm.c
> @@ -699,8 +699,8 @@ void drm_mm_takedown(struct drm_mm * mm)
>  {
>         struct drm_mm_node *entry, *next;
>  
> -       if (!list_empty(&mm->head_node.node_list)) {
> -               DRM_ERROR("Memory manager not clean. Delaying takedown\n");
> +       if (WARN(!list_empty(&mm->head_node.node_list),
> +                "Memory manager not clean. Delaying takedown\n")) {
>                 return;
>         }</span >


Test it. It has <3>[  270.095214] [drm:intel_pipe_config_compare] *ERROR*
mismatch in clock (expected 66285, found 0.
dmesg -r | egrep "<[1-3]>" |grep drm
<3>[  270.095214] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock
(expected 66285, found 0
<3>[  270.173051] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock
(expected 66285, found 0
<3>[  270.182479] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock
(expected 108000, found 0
<3>[  270.281188] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock
(expected 66285, found 0
<3>[  271.283053] [drm:intel_pipe_config_compare] *ERROR* mismatch in clock
(expected 69300, found 0</pre>
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