<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hi, <div>I’m running BIND 9.18.30-0ubuntu0.22.04.2-Ubuntu in production on a university network. </div><div>Recently, we have been experiencing the error shown below:</div><div><br></div><div><div style="color: rgb(54, 54, 54); background-color: rgb(255, 255, 255); font-family: Menlo, Monaco, "Courier New", monospace; line-height: 18px; white-space: pre;"><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(isc_assertion_failed+0x10) [0x7fe1b4e1d7c0]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(isc_assertion_failed+0x10) [0x7fe1b4e1d7c0]</div><div>named[4787]: /lib/x86_64-linux-gnu/libdns-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x3a2f5) [0x7fe1b4c0c2f5]</div><div>named[4787]: /lib/x86_64-linux-gnu/libdns-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x3a2f5) [0x7fe1b4c0c2f5]</div><div>named[4787]: /lib/x86_64-linux-gnu/libdns-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(dns_cache_create+0x1e4) [0x7fe1b4c0cdc4]</div><div>named[4787]: /lib/x86_64-linux-gnu/libdns-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(dns_cache_create+0x1e4) [0x7fe1b4c0cdc4]</div><div>named[4787]: /usr/sbin/named(+0x33524) [0x562bd4cd3524]</div><div>named[4787]: /usr/sbin/named(+0x33524) [0x562bd4cd3524]</div><div>named[4787]: /usr/sbin/named(+0x41e6f) [0x562bd4ce1e6f]</div><div>named[4787]: /usr/sbin/named(+0x41e6f) [0x562bd4ce1e6f]</div><div>named[4787]: /usr/sbin/named(+0x43771) [0x562bd4ce3771]</div><div>named[4787]: /usr/sbin/named(+0x43771) [0x562bd4ce3771]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(isc_task_run+0x2bf) [0x7fe1b4e4553f]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(isc_task_run+0x2bf) [0x7fe1b4e4553f]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x1e993) [0x7fe1b4e09993]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x1e993) [0x7fe1b4e09993]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x26368) [0x7fe1b4e11368]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x26368) [0x7fe1b4e11368]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x26b77) [0x7fe1b4e11b77]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x26b77) [0x7fe1b4e11b77]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x26d96) [0x7fe1b4e11d96]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x26d96) [0x7fe1b4e11d96]</div><div>named[4787]: /lib/x86_64-linux-gnu/libuv.so.1(+0x91ad) [0x7fe1b468e1ad]</div><div>named[4787]: /lib/x86_64-linux-gnu/libuv.so.1(+0x91ad) [0x7fe1b468e1ad]</div><div>named[4787]: /lib/x86_64-linux-gnu/libuv.so.1(+0x250fe) [0x7fe1b46aa0fe]</div><div>named[4787]: /lib/x86_64-linux-gnu/libuv.so.1(+0x250fe) [0x7fe1b46aa0fe]</div><div>named[4787]: /lib/x86_64-linux-gnu/libuv.so.1(uv_run+0x678) [0x7fe1b4693c48]</div><div>named[4787]: /lib/x86_64-linux-gnu/libuv.so.1(uv_run+0x678) [0x7fe1b4693c48]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x2720a) [0x7fe1b4e1220a]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(+0x2720a) [0x7fe1b4e1220a]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(isc__trampoline_run+0x1a) [0x7fe1b4e4d50a]</div><div>named[4787]: /lib/x86_64-linux-gnu/libisc-9.18.30-0ubuntu0.22.04.2-Ubuntu.so(isc__trampoline_run+0x1a) [0x7fe1b4e4d50a]</div><div>named[4787]: /lib/x86_64-linux-gnu/libc.so.6(+0x94ac3) [0x7fe1b42b3ac3]</div><div>named[4787]: /lib/x86_64-linux-gnu/libc.so.6(+0x94ac3) [0x7fe1b42b3ac3]</div><div>named[4787]: /lib/x86_64-linux-gnu/libc.so.6(+0x126850) [0x7fe1b4345850]</div><div>named[4787]: /lib/x86_64-linux-gnu/libc.so.6(+0x126850) [0x7fe1b4345850]</div><div>named[4787]: exiting (due to assertion failure)</div><div>named[4787]: exiting (due to assertion failure)</div></div></div><div><br></div><div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">Please advise, I have checked online with no luck.</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);">Thanks</div></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0);"><br></div><div><div>
<meta charset="UTF-8"><div>with kind regards,<br><br>Paul Ssekamatte<br>Directorate for ICT Services (DICTS)<br>Makerere University<br>Mob: 0782-094368</div>
</div>
<br></div></body></html>