Hi Anton,<div><br /></div><div>I haven't had a chance to try the patch you mentioned yet.</div><div>But <a href="https://github.com/ilbers/isar/commit/ed2f8fda7cc85309c4f9a1f49a3f4b96df9886bb">this fix</a> has greatly reduced the error frequency on our side.</div><div><br /></div><div>As Cedric mentioned, we also have managed servers and several IT services that might cause such issues.</div><div>That's why, I can say that we have achieved acceptable stability for now.</div><div><br /></div><div>Thanks,</div><div>Gokhan<br /><br /></div><div class="gmail_quote"><div dir="auto" class="gmail_attr">On Tuesday, August 6, 2024 at 11:02:55 AM UTC+3 Anton Mikanovich wrote:<br/></div><blockquote class="gmail_quote" style="margin: 0 0 0 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">12/07/2024 10:04, Anton Mikanovich wrote:
<br>&gt; Hello Gökhan,
<br>&gt;
<br>&gt; I&#39;ve found an issue with isar-apt usage without lock protection in
<br>&gt; deb_dl_dir_export and imager_run implementations. This can influence 
<br>&gt; on umount
<br>&gt; issues you&#39;ve observed, so please try the fix from patchset:
<br>&gt;
<br>&gt; [PATCH 0/2] Protect isar-apt usages in shell
<br>
<br>Unfortunately this fix didn&#39;t help.
<br>Even with it we&#39;ve got the same issue (it looks like there is the first time
<br>we&#39;ve catched it in our CI):
<br>
<br>ERROR: Task 
<br>(mc:qemuarm-bullseye:/workspace/build-auto/isar_next/1324/meta-test/recipes-core/images/isar-image-ci.bb:do_image_ext4) 
<br>failed with exit code &#39;1&#39;
<br>E: 10mount: umount: 
<br>/run/schroot/mount/isar-jenkins-0c03d5d2-da53-444c-93f6-fc9bdfafc290-2097734-1868b26c-f678-4e99-9e9a-360c7c05fcd3: 
<br>target is busy.
<br>E: 10mount: rmdir: failed to remove 
<br>&#39;/var/run/schroot/mount/isar-jenkins-0c03d5d2-da53-444c-93f6-fc9bdfafc290-2097734-1868b26c-f678-4e99-9e9a-360c7c05fcd3&#39;: 
<br>Device or resource busy
<br>E: 
<br>isar-jenkins-0c03d5d2-da53-444c-93f6-fc9bdfafc290-2097734-1868b26c-f678-4e99-9e9a-360c7c05fcd3: 
<br>Chroot setup failed: stage=setup-stop
<br>
<br></blockquote></div>

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