Hi Nick, Thanks for looking into it.
> I'm not entirely sure what those kernel messages mean. If you look in > /var/log/messages and locate one of those lines that you posted above, are > there any hints around those messages? Perhaps other lines that do not > contain the PID, which would have been filtered out with your "grep" > command? I have looked into the /var/log/messages file around the above process ID *23724*. These logs are continuous. No other logs are there. Jul 24 17:57:17 bghjrfed guacd: guacd[20578]: INFO: Sending display channels > Jul 24 17:57:18 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[5294]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[5294]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[22497]: User "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd: guacd[22497]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd[5294]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[5294]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[5294]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[5294]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[22842]: User "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd: guacd[22842]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[22584]: User "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd: guacd[22584]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd[22693]: User "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd: guacd[22693]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:18 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:18 bghjrfed guacd[5294]: Sending display channels > Jul 24 17:57:18 bghjrfed guacd: guacd[5294]: INFO: Sending display > channels > Jul 24 17:57:19 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:19 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:19 bghjrfed guacd[22545]: User "raj.joshi" is not responding. > Jul 24 17:57:19 bghjrfed guacd: guacd[22545]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:19 bghjrfed guacd[20578]: Sending display channels Jul 24 17:57:41 bghjrfed guacd: guacd[23688]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd[5294]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[5294]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[23486]: User "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd: guacd[23486]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd[23372]: User "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd: guacd[23372]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[5294]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[5294]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[23724]: User "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd: guacd[23724]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[23533]: User "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd: guacd[23533]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd[24020]: User "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd: guacd[24020]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[5294]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[5294]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[22608]: User "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd: guacd[22608]: ERROR: User > "raj.joshi" is not responding. > Jul 24 17:57:42 bghjrfed guacd[20578]: Sending display channels > Jul 24 17:57:42 bghjrfed guacd: guacd[20578]: INFO: Sending display > channels > Jul 24 17:57:42 bghjrfed guacd[5294]: Sending display channels *KERNEL LOGS are also continuous* Jul 25 07:10:42 bghjrfed kernel: [23565] 0 23565 5937455 20085 > 2716 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23597] 0 23597 5943602 20137 > 2719 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23607] 0 23607 5951798 20094 > 2723 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23616] 0 23616 5951798 20096 > 2723 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23626] 0 23626 5957945 20081 > 2726 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23634] 0 23634 5960234 20354 > 2728 3885 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23654] 0 23654 5964092 20101 > 2728 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23666] 0 23666 5974337 20203 > 2730 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23670] 0 23670 5974337 20194 > 2730 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23672] 0 23672 5982533 20144 > 2734 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23681] 0 23681 5986631 20151 > 2736 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23682] 0 23682 5986631 20137 > 2736 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23688] 0 23688 5996876 20181 > 2741 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23696] 0 23696 6003023 20164 > 2744 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23714] 0 23714 6007121 20211 > 2746 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23724] 0 23724 6011219 20190 > 2748 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23737] 0 23737 6015317 20236 > 2750 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23763] 0 23763 6017366 20212 > 2751 3887 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23779] 0 23779 6017366 20214 > 2751 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23785] 0 23785 6023513 20238 > 2754 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23798] 0 23798 6029660 20222 > 2757 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23808] 0 23808 6035807 20260 > 2760 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23815] 0 23815 6037856 20244 > 2761 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23823] 0 23823 6041954 20247 > 2763 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23833] 0 23833 6046052 20268 > 2765 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23836] 0 23836 6040275 19163 > 2744 3909 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23841] 0 23841 6052199 20251 > 2768 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23849] 0 23849 6058346 20289 > 2771 3886 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23857] 0 23857 6064733 20538 > 2775 3885 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23863] 0 23863 6066542 20271 > 2775 3885 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23868] 0 23868 6072689 20366 > 2778 3885 0 guacd > Jul 25 07:10:42 bghjrfed kernel: [23880] 0 23880 6078836 20324 > 2781 3885 0 guacd you've not made any modifications/customizations to the code? I have done few modifications in the logs. *Below is the version of the KERNEL UPGRADED at CENTOS 7. * > kernel-tools-3.10.0-1127.el7.x86_64 > kernel-tools-3.10.0-123.el7.x86_64 > kernel-tools-libs-3.10.0-1127.el7.x86_64 > abrt-addon-kerneloops-2.1.11-12.el7.centos.x86_64 > kernel-tools-libs-devel-3.10.0-1127.el7.x86_64 > kernel-headers-3.10.0-1127.el7.x86_64 > kernel-3.10.0-957.21.3.el7.x86_64 > kernel-abi-whitelists-3.10.0-1127.el7.noarch > kernel-plus-3.10.0-1127.el7.centos.plus.x86_64 > kernel-devel-3.10.0-1127.el7.x86_64 > kernel-doc-3.10.0-1127.el7.noarch > kernel-tools-libs-3.10.0-123.el7.x86_64 > kernel-3.10.0-1127.el7.x86_64 I wonder if something else installed on the system has inserted itself into > the dynamic loading order, and the libraries provided by that are causing > problems?? We haven't done it intentionally. How can I find it out ? On Sat, Jul 25, 2020 at 4:58 PM Nick Couchman <[email protected]> wrote: > On Sat, Jul 25, 2020 at 4:38 AM Amarjeet Singh <[email protected]> > wrote: > >> There are kernel logs after this USER IS NOT RESPONDING log. >> >> I do not have any idea what it means ? >> >> > The user is not responding message means that guacd does has not received > any traffic from the user in a certain amount of time. What's supposed to > happen after that is that guacd will close the connection and then the > child guacd process should terminate, which does not appear to be happening. > > I'm not entirely sure what those kernel messages mean. If you look in > /var/log/messages and locate one of those lines that you posted above, are > there any hints around those messages? Perhaps other lines that do not > contain the PID, which would have been filtered out with your "grep" > command? > > >> It is on CENTOS 7. I will update the kernel version as well. >> >> > What version of guacd are you running? I looked back in the message > history and did not see that noted anywhere, though I so see libguac.so.17 > which looks like the 1.2.0 version. And I assume this is the "stock" guacd > (from the Guacamole website or Git repos) - you've not made any > modifications/customizations to the code? Your original stack trace > mentioned "accops-server", and I'm curious why that would show up in the > stack track for guacd? I wonder if something else installed on the system > has inserted itself into the dynamic loading order, and the libraries > provided by that are causing problems?? > > -Nick >
