<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">I’ve setup my mythtv backend to daily optimize and backup the database. I have it email me with the results. So when I don’t get the 2 emails at 7:35am each day, I go looking for problems. The system still records problems and the frontends work for viewing.<div class=""><br class=""></div><div class="">What I’ve seen lately is I can’t ssh or login at the PC console of the backend, and I get errors on the console like:</div><div class=""><div class="">Mar 7 12:11:47 mythbuntu kernel: [317584.873671] NMI watchdog: BUG: soft lockup - CPU#4 stuck for 22s! [TFWWrite:25774]</div><div class="">Mar 7 12:12:15 mythbuntu kernel: [317612.872998] NMI watchdog: BUG: soft lockup - CPU#4 stuck for 23s! [TFWWrite:25774]</div><div class="">Mar 7 12:12:55 mythbuntu kernel: [317652.872033] NMI watchdog: BUG: soft lockup - CPU#4 stuck for 23s! [TFWWrite:25774]</div><div class="">Mar 7 12:13:23 mythbuntu kernel: [317680.871359] NMI watchdog: BUG: soft lockup - CPU#4 stuck for 22s! [TFWWrite:25774]</div><div class=""><br class=""></div><div class="">The Host name is mythbuntu. It’s a Ubuntu 16.04 system</div><div class=""><br class=""></div><div class="">Once I reboot, the system works fine and I get my optimize emails after a short time. But a day or so later I notice this problem again. I have not changed anything, but I have done some updating using: apt update and apt upgrade.</div><div class=""><br class=""></div><div class="">Any ideas??</div><div class=""><br class=""></div><div class="">
<div style="color: rgb(0, 0, 0); letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Jim Abernathy<br class=""><a href="mailto:jfabernathy@gmail.com" class="">jfabernathy@gmail.com</a><br class=""><br class=""><br class=""></div>
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