<table><tr><td style="">fvogt added a comment.
</td><a style="text-decoration: none; padding: 4px 8px; margin: 0 8px 8px; float: right; color: #464C5C; font-weight: bold; border-radius: 3px; background-color: #F7F7F9; background-image: linear-gradient(to bottom,#fff,#f1f0f1); display: inline-block; border: 1px solid rgba(71,87,120,.2);" href="https://phabricator.kde.org/D23384">View Revision</a></tr></table><br /><div><div><p>Unfortunately the <tt style="background: #ebebeb; font-size: 13px;">kio-fuse -d</tt> output is incomplete, probably because Qt was too smart and logged to the journal instead...<br />
It's visible that there are multiple processes reading the file, maybe thumbnailing is in progress?<br />
Can you try with thumbnails in dolphin disabled?</p>

<p>Please try both of the following:</p>

<p>Add this to kio-fuse and rebuild:</p>

<div class="remarkup-code-block" style="margin: 12px 0;" data-code-lang="diff" data-sigil="remarkup-code-block"><pre class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, 120, 0.08);"><span style="color: #000080">diff --git a/kiofusevfs.cpp b/kiofusevfs.cpp</span>
<span style="color: #000080">index 7755b56..a3a4c72 100644</span>
<span style="color: #a00000">--- a/kiofusevfs.cpp</span>
<span style="color: #00a000">+++ b/kiofusevfs.cpp</span>
<span style="color: #800080">@@ -859,6 +859,7 @@ void KIOFuseVFS::read(fuse_req_t req, fuse_ino_t ino, size_t size, off_t off, fu</span>
                return;
        case KIOFuseNode::NodeType::RemoteFileNode:
        {
<span style="color: #00a000">+          qDebug(KIOFUSE_LOG) << "Read" << node->m_nodeName << off << size;</span>
                auto remoteNode = std::dynamic_pointer_cast<KIOFuseRemoteFileNode>(node);
                that->awaitBytesAvailable(remoteNode, off + size, [=](int error) {
                        if(error != 0 && error != ESPIPE)</pre></div>

<p>then</p>

<div class="remarkup-code-block" style="margin: 12px 0;" data-code-lang="text" data-sigil="remarkup-code-block"><pre class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, 120, 0.08);">QT_LOGGING_RULES=*.debug=true QT_FORCE_STDERR_LOGGING=1 ~/kde/usr/lib64/libexec/kio-fuse -d $yourfavlocation &>somelog.file</pre></div>

<p>and to get just the syscalls which totem makes:</p>

<div class="remarkup-code-block" style="margin: 12px 0;" data-code-lang="text" data-sigil="remarkup-code-block"><pre class="remarkup-code" style="font: 11px/15px "Menlo", "Consolas", "Monaco", monospace; padding: 12px; margin: 0; background: rgba(71, 87, 120, 0.08);">strace -fefile totem $yourfavlocation/where/the/video.is</pre></div></div></div><br /><div><strong>REPOSITORY</strong><div><div>R241 KIO</div></div></div><br /><div><strong>REVISION DETAIL</strong><div><a href="https://phabricator.kde.org/D23384">https://phabricator.kde.org/D23384</a></div></div><br /><div><strong>To: </strong>feverfew, fvogt, davidedmundson, dfaure, ngraham<br /><strong>Cc: </strong>sitter, davidedmundson, kde-frameworks-devel, ngraham, LeGast00n, GB_2, michaelh, bruns<br /></div>