<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 18 Sep 2018, at 13.29, Simone Lazzaris <<a href="mailto:s.lazzaris@interactive.eu" class="">s.lazzaris@interactive.eu</a>> wrote:<br class=""><div><blockquote type="cite" class=""><br class="Apple-interchange-newline"><div class=""><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> Hi all, again;</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">></div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> I've enabled the core dumps and let it go for some day waiting for the issue</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> to reoccur.</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">></div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> Meantime I've also upgraded the poolmon script, as Sami suggested.</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">></div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> It seems that the upgrade has scared the issue away, because it no longer</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> occurred.</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">></div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> Maybe the problem is related to the way the old poolmon talked to the</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> director daemon? I'm not very inclined to downgrade poolmon to catch a</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">> traceback, but can do if neccessary.</div><p style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class=""> </p><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">Well, maybe it's not necessary ;)</div><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">I've performed some maintenance operations on the backends and that triggered the crash. It seems that something goes wrong where one backend come back online.</div></div></blockquote><div><br class=""></div><div>It's weird how easily you can reproduce the crash. I've ran all kinds of (stress) tests and I can't reproduce this crash. I was able to reproduce the original hang though.</div><div><span style="font-family: "Bitstream Vera Sans Mono";" class=""> </span></div><blockquote type="cite" class=""><div style="caret-color: rgb(0, 0, 0); font-family: "Bitstream Vera Sans Mono"; 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; margin: 0px;" class="">Unfortunately, the core was not dumped.... And I don't know what to do: the director service was not chrooted, and ulimit -c is unlimited.</div></blockquote><div><br class=""></div><div>Do you have: sysctl -w fs.suid_dumpable=2</div><div><br class=""></div></div></body></html>