I got same black screen message after you meet Warren at Almorica Castle in chapter 4.
So I disable everything except shaders and saving ge screen
Problem fix again.
Quote:<tr>
<td>123644</td>
<td title="FileSystem thread">FileSystem</td>
<td title="Level" loglevel="20000">INFO</td>
<td title="hle.IoFileMgrForUser category">hle.IoFileMgrForUser</td>
<td title="Message" class="message">hleIoOpen filename = disc0:/sce_lbn0x593F0_size0x33520 flags = 1 permissions = 00</td>
</tr>
<tr>
<td>123652</td>
<td title="GUI thread">GUI</td>
<td title="Level" loglevel="30000"><font color="#993300"><strong>WARN</strong></font></td>
<td title="ge category">ge</td>
<td title="Message" class="message">Unknown/unimplemented video command [unk 0x3](hex=00030319,int=197401,float=0.000000) at 0x09AF95EC</td>
</tr>
<tr>
<td>123653</td>
<td title="GUI thread">GUI</td>
<td title="Level" loglevel="30000"><font color="#993300"><strong>WARN</strong></font></td>
<td title="ge category">ge</td>
<td title="Message" class="message">Unknown/unimplemented video command [unk 0x3](hex=00191901,int=1644801,float=0.000000) at 0x09AF95F4</td>
</tr>
<tr>
<td>123653</td>
<td title="GUI thread">GUI</td>
<td title="Level" loglevel="30000"><font color="#993300"><strong>WARN</strong></font></td>
<td title="ge category">ge</td>
<td title="Message" class="message">bbox unsupported numberOfVertex=3</td>
</tr>
<tr>
<td>123654</td>
<td title="GUI thread">GUI</td>
<td title="Level" loglevel="30000"><font color="#993300"><strong>WARN</strong></font></td>
<td title="ge category">ge</td>
<td title="Message" class="message">Unsupported bezier parameters ucount=77 vcount=69</td>
So I disable everything except shaders and saving ge screen
Problem fix again.