<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">On 1. Apr 2021, at 19.14, Josef 'Jeff' Sipek <<a href="mailto:jeff.sipek@open-xchange.com" class="">jeff.sipek@open-xchange.com</a>> wrote:<br class=""><div><blockquote type="cite" class=""><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">On Wed, Mar 31, 2021 at 11:26:14 -0400, Josef 'Jeff' Sipek wrote:</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;" class="">On Wed, Mar 31, 2021 at 09:07:28 +0200, Christian Ehrhardt wrote:<br class=""><blockquote type="cite" class="">On Wed, Mar 31, 2021 at 8:46 AM Christian Ehrhardt <<a href="mailto:christian.ehrhardt@canonical.com" class="">christian.ehrhardt@canonical.com</a>> wrote:<br class=""><blockquote type="cite" class="">On Tue, Mar 30, 2021 at 9:21 PM Josef 'Jeff' Sipek <<a href="mailto:jeff.sipek@open-xchange.com" class="">jeff.sipek@open-xchange.com</a>> wrote:<br class=""></blockquote></blockquote>...<br class=""><blockquote type="cite" class=""><blockquote type="cite" class=""><blockquote type="cite" class="">The culprit seems to be LTO. If you disable LTO, everything should work<br class="">just fine.<br class=""></blockquote><br class="">I've had LTO disabled and it has still shown the same effect (with my<br class="">gcc 10.2.0-1).<br class="">I'll give it a non-LTO retry and double check if it really changed the<br class="">compile options accordingly.<br class="">I'll let you know about that later on.<br class=""></blockquote><br class="">Indeed, I wonder what I tried yesterday in regard to LTO then .. :-/<br class="">I can confirm that disabling LTO fixes the issue for me as well and<br class="">for now that should be a good mitigation until the root cause is found<br class="">and fixed.<br class=""></blockquote><br class="">Sounds good. Thanks for the confirmation.<br class=""></blockquote><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">Does the following patch make the tests pass for you? We still need to</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">clean it up a bit, but I figured I'd share the work-in-progress version to</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">make sure we're seeing the same issues as you. (And the obvious disclaimer:</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">this patch hasn't gone through the usual before-commit scrutiny, so don't</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;" class="">ship it.)</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""></div></blockquote><br class=""></div><div>The fix is now merged to master. It ended up being a bit different (simpler) from what Jeff sent to the list. The main fixes are:</div><div><br class=""></div><div><a href="https://github.com/dovecot/core/commit/4e5bb6738d8907ede8ec157d07463a8e77293ba8" class="">https://github.com/dovecot/core/commit/4e5bb6738d8907ede8ec157d07463a8e77293ba8</a></div><div><a href="https://github.com/dovecot/core/commit/1d9b4e14008b15b7a34b5c633b09b9670e866256" class="">https://github.com/dovecot/core/commit/1d9b4e14008b15b7a34b5c633b09b9670e866256</a></div><div><br class=""></div></body></html>