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<p>Hi,</p>
<p>Unfortunately I am of no good use currently to test this, as I just recently switched jobs and currently only have access to Linux as sysadmin. In Windows I currently don't have admin rights. And I don't own a private copy of Windows. I am working on getting admin rights on Windows as well, but it might take a few days/weeks to get that from the central IT services. First need to convince them that I am trustworthy and that it is useful for me to have the admin rights.</p>
<p>But I am pretty sure that others who reported that issue would be willing to help.</p>
<p>However, if these crashes happen on Linux I can provide proper stack traces with debug symbols enabled.</p>
<p>Greetings,</p>
<p>Andreas</p>
<p id="reply-intro">On 2019-07-18 08:54, Mathieu Pellerin wrote:</p>
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<div dir="auto">In the meantime, if we have fellow Andreas able to reproduce an exit crash, let's help him install the debug package and get a valid trace?
<div dir="auto"> </div>
<div dir="auto">Andreas, that is, if you're game.</div>
<div dir="auto"> </div>
<div dir="auto">Math</div>
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<div class="gmail_attr" dir="ltr">On Thu, Jul 18, 2019, 13:51 Nathan Woodrow <<a href="mailto:madmanwoo@gmail.com" rel="noreferrer">madmanwoo@gmail.com</a>> wrote:</div>
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<div dir="ltr">Yeah, in this case, the stack trace is wrong because of the lack of symbols. The symbols could be installed with QGIS at the increase of package size but maybe we can do that for a while until we catch this issue.
<div> </div>
<div>At the moment installing the symbols for the normal installer versions of QGIS is a bit hard for most users.</div>
<div> </div>
<div>Jurgen, would we be able to include the debug symbols for the build on the normal installers for once release cycle while this is still an issue? That would be super handy to catch this and other issues that come up.</div>
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<div class="gmail_attr" dir="ltr">On Thu, Jul 18, 2019 at 4:44 PM Mathieu Pellerin <<a href="mailto:nirvn.asia@gmail.com" rel="noreferrer">nirvn.asia@gmail.com</a>> wrote:</div>
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<div dir="auto">While discussing this further with Nathan, disabling the crash reporter might not be the right solution as it'd most likely bring the OS crash dialog anyways.
<div dir="auto"> </div>
<div dir="auto">We'd need for the crash reporter to detect specific traces and silently fail when it detects a useless / harmless trace.</div>
<div dir="auto"> </div>
<div dir="auto">There's also the problem of ppl pasting wrong traces due to not having installed the debug package, we could improve the notification in this scenario to suggest installing package.</div>
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<div class="gmail_attr" dir="ltr">On Thu, Jul 18, 2019, 13:35 Andreas Neumann <<a href="mailto:a.neumann@carto.net" rel="noreferrer">a.neumann@carto.net</a>> wrote:</div>
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<p>Hi Nyall,</p>
<p>Thanks for the reply. I also experienced quite a lot of these crashes. Something that often shows up in the stack trace is</p>
<p><span style="font-family: 'courier new',courier,monospace;">proj_lpz_dist :</span><br /><span style="font-family: 'courier new',courier,monospace;">proj_lpz_dist :</span><br /><span style="font-family: 'courier new',courier,monospace;">QgsCoordinateTransform::transformPolygon :</span><br /><span style="font-family: 'courier new',courier,monospace;">QgsCoordinateTransform::transformPolygon :</span><br /><span style="font-family: 'courier new',courier,monospace;">QgsCoordinateTransform::QgsCoordinateTransform :</span><br /><span style="font-family: 'courier new',courier,monospace;">QHashData::free_helper :</span><br /><span style="font-family: 'courier new',courier,monospace;">QgsCoordinateTransform::addToCache :</span><br /><span style="font-family: 'courier new',courier,monospace;">QgsCoordinateTransform::invalidateCache :</span><br /><span style="font-family: 'courier new',courier,monospace;">QgsApplication::exitQgis :</span><br /><span style="font-family: 'courier new',courier,monospace;">QgisApp::~QgisApp :</span><br /><span style="font-family: 'courier new',courier,monospace;">CPLStringList::operator char * __ptr64 * __ptr64 :</span><br /><span style="font-family: 'courier new',courier,monospace;">main :</span><br /><span style="font-family: 'courier new',courier,monospace;">BaseThreadInitThunk :</span><br /><span style="font-family: 'courier new',courier,monospace;">RtlUserThreadStart :</span></p>
<p>Like in <a href="https://github.com/qgis/QGIS/issues/30753" target="_blank" rel="noopener noreferrer">https://github.com/qgis/QGIS/issues/30753</a></p>
<p>But I am sure you also came across these.</p>
<p>Really annoying. Perhaps disabling the crash reporter on QGIS exit on the release versions would help? Can we enable them just on the master?</p>
<p>Andreas</p>
<p id="m_-6567568690641975564gmail-m_-3457058461954449309m_1717879667979452934reply-intro">On 2019-07-18 08:19, Nyall Dawson wrote:</p>
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<div class="m_-6567568690641975564gmail-m_-3457058461954449309m_1717879667979452934pre" style="margin: 0px; padding: 0px; font-family: monospace;">On Thu, 18 Jul 2019 at 16:05, Andreas Neumann <<a href="mailto:a.neumann@carto.net" rel="noreferrer">a.neumann@carto.net</a>> wrote:
<blockquote style="padding: 0px 0.4em; border-left: 2px solid #1010ff; margin: 0px;"><br />Hi QGIS core devs,<br /><br />Currently on the Github issues I have the (subjective) feeling that every third report is about QGIS crashing on closing the program. It seems to be a really wide-spread issue that a majority of our users have. It would be great for QGIS' reputation if we could fix this/these issue(s). Or has this already been fixed and people don't use the newest versions?</blockquote>
<br />These are VERY frustrating. It's actually a bunch of different<br />underlying issues causing this. We've probably squashed a dozen or so,<br />but they keep resurfacing (or being re-introduced), and none of the<br />existing bug reports have clues on remaining causes.<br /><br />Fortunately they are harmless. Mathieu has previously suggested we<br />just shut down the crash reporter on QGIS exit to avoid this -- I<br />think that would be a worthwhile change.<br /><br />Nyall</div>
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