<div dir="ltr">I've seen this happen with five fewer than 18 instances, actually - as few as 2 or 3. I've also reproduced this on different graphics card (and hence, different drivers.)<div><br></div><div>The code was written to use a large number of instances because it crashes faster. </div><div><br></div><div>And yes, without hardware acceleration the code is stable. Or should I say - stabler. I'm chasing down other apparent race conditions in other areas of the code, but those are much harder to reproduce. I thought I'd start with an easy one. :)</div><div><br></div><div>Ori</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, May 3, 2019 at 3:10 PM Sean McGovern <<a href="mailto:gseanmcg@gmail.com">gseanmcg@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="background-color:rgb(255,255,255);background-image:initial;line-height:initial"><div id="gmail-m_5263096520746117782response_container_BBPPID" style="outline:none" dir="auto"> <div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%">Hi Ori,</div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%"><br></div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%"> I don't claim to be an expert on any of this but from just looking at your sample code, are there any practical limitations of D3D11 that creating 18 player instances would cause it to occasionally choke?</div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%"><br></div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%">Is it crash free without the hardware acceleration? Maybe you are hitting a driver bug.</div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%"><br></div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%">Could it be a weird TOCTOU thing?</div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%"><span style="color:initial;font-family:initial;font-size:initial"><br></span></div><div name="BB10" id="gmail-m_5263096520746117782BB10_response_div_BBPPID" dir="auto" style="width:100%"><span style="color:initial;font-family:initial;font-size:initial">-- Sean McGovern</span></div></div><div id="gmail-m_5263096520746117782_original_msg_header_BBPPID" dir="auto"> <table width="100%" style="background-color:white;border-spacing:0px;display:table;outline:none"><tbody><tr><td colspan="2" style="padding:initial;font-size:initial;text-align:initial;background-color:rgb(255,255,255)"> <div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(181,196,223);padding:3pt 0in 0in;font-family:Tahoma,"BB Alpha Sans","Slate Pro";font-size:10pt"> <div id="gmail-m_5263096520746117782from"><b>From:</b> <a href="mailto:mail@oripessach.com" target="_blank">mail@oripessach.com</a></div><div id="gmail-m_5263096520746117782sent"><b>Sent:</b> May 3, 2019 11:10 AM</div><div id="gmail-m_5263096520746117782to"><b>To:</b> <a href="mailto:vlc-devel@videolan.org" target="_blank">vlc-devel@videolan.org</a></div><div id="gmail-m_5263096520746117782reply_to"><b>Reply-to:</b> <a href="mailto:vlc-devel@videolan.org" target="_blank">vlc-devel@videolan.org</a></div><div id="gmail-m_5263096520746117782subject"><b>Subject:</b> [vlc-devel] Defect #22230</div></div></td></tr></tbody></table> <br> </div><div name="BB10" dir="auto" style="background-image:initial;line-height:initial;outline:none"><div dir="ltr">Hi,<div><br></div><div>I was wondering if there's anything I can do to help triage and resolve defect #22230 - the problem seems to be very repeatable in my tests, and my test code is attached to the defect.</div><div><br></div><div>Would it be helpful at all if I included the entire Visual Studio solution with the test code? </div><div><br></div><div>Thanks,</div><div><br></div><div>Ori Pessach</div></div>
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