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Endless loop of xapi login/outs filling my logs, how to debug?


Ammar Y

Question

Hello,

I'm running a pretty simple pool with 2 hosts, and using HA Lizard to synchronize storage between the two servers. Recently, my pool master's log at /var/log/xensource.log has become flooded with endless loops of session.login_with_password, pool.get_all, then session.logout. This is happening around the clock every second (or less). The only other problems I've noticed are that the host is a little slow, and an issue with console connections to linux hosts not taking keyboard input, which is pretty bizarre, but I assume not related.

Sep  9 19:30:46 x1 xapi: [ info|x1|7295 UNIX /var/lib/xcp/xapi|session.login_with_password D:0bec99a68f63|xapi] Session.create trackid=77597fa8da8ba1d284fb32ded69cb6f6 pool=false uname=root originator=cli is_local_superuser=true auth_user_sid= parent=trackid=9834f5af41c964e225f24279aefe4e49
Sep  9 19:30:46 x1 xapi: [debug|x1|7295 UNIX /var/lib/xcp/xapi|session.login_with_password D:0bec99a68f63|mscgen] xapi=>xapi [label="pool.get_all"];
Sep  9 19:30:46 x1 xapi: [debug|x1|7296 UNIX /var/lib/xcp/xapi||dummytaskhelper] task dispatch:pool.get_all D:2fd306e09ad8 created by task D:0bec99a68f63
Sep  9 19:30:46 x1 xapi: [ info|x1|7295 UNIX /var/lib/xcp/xapi|session.logout D:8105e976781b|xapi] Session.destroy trackid=77597fa8da8ba1d284fb32ded69cb6f6
Sep  9 19:30:46 x1 xapi: [debug|x1|7297 UNIX /var/lib/xcp/xapi||cli] xe host-list hostname=x1 minimal=true username=root password=(omitted)
Sep  9 19:30:46 x1 xapi: [ info|x1|7297 UNIX /var/lib/xcp/xapi|session.login_with_password D:c1caa7572600|xapi] Session.create trackid=d971ffb74768e2ffcbd775932b5c922c pool=false uname=root originator=cli is_local_superuser=true auth_user_sid= parent=trackid=9834f5af41c964e225f24279aefe4e49
Sep  9 19:30:46 x1 xapi: [debug|x1|7297 UNIX /var/lib/xcp/xapi|session.login_with_password D:c1caa7572600|mscgen] xapi=>xapi [label="pool.get_all"];
Sep  9 19:30:46 x1 xapi: [debug|x1|7298 UNIX /var/lib/xcp/xapi||dummytaskhelper] task dispatch:pool.get_all D:f44131784a60 created by task D:c1caa7572600
Sep  9 19:30:46 x1 xapi: [ info|x1|7297 UNIX /var/lib/xcp/xapi|session.logout D:5ea4eb544aa2|xapi] Session.destroy trackid=d971ffb74768e2ffcbd775932b5c922c
Sep  9 19:30:47 x1 xapi: [debug|x1|7299 UNIX /var/lib/xcp/xapi||cli] xe host-list enabled=true params=name-label username=root password=(omitted)
Sep  9 19:30:47 x1 xapi: [ info|x1|7299 UNIX /var/lib/xcp/xapi|session.login_with_password D:bc09cb500b01|xapi] Session.create trackid=ed01bee9215ef02bec416bd4bc4c4d0b pool=false uname=root originator=cli is_local_superuser=true auth_user_sid= parent=trackid=9834f5af41c964e225f24279aefe4e49
Sep  9 19:30:47 x1 xapi: [debug|x1|7299 UNIX /var/lib/xcp/xapi|session.login_with_password D:bc09cb500b01|mscgen] xapi=>xapi [label="pool.get_all"];
Sep  9 19:30:47 x1 xapi: [debug|x1|7300 UNIX /var/lib/xcp/xapi||dummytaskhelper] task dispatch:pool.get_all D:8735afb9fac2 created by task D:bc09cb500b01
Sep  9 19:30:47 x1 xapi: [ info|x1|7299 UNIX /var/lib/xcp/xapi|session.logout D:7fa9c3dd6b13|xapi] Session.destroy trackid=ed01bee9215ef02bec416bd4bc4c4d0b
Sep  9 19:30:47 x1 xapi: [debug|x1|7301 UNIX /var/lib/xcp/xapi||cli] xe host-list enabled=true minimal=true username=root password=(omitted)
Sep  9 19:30:47 x1 xapi: [ info|x1|7301 UNIX /var/lib/xcp/xapi|session.login_with_password D:97e4b679b8ff|xapi] Session.create trackid=9299cd872f1b92bdff38e243382053c3 pool=false uname=root originator=cli is_local_superuser=true auth_user_sid= parent=trackid=9834f5af41c964e225f24279aefe4e49
Sep  9 19:30:47 x1 xapi: [debug|x1|7301 UNIX /var/lib/xcp/xapi|session.login_with_password D:97e4b679b8ff|mscgen] xapi=>xapi [label="pool.get_all"];
Sep  9 19:30:47 x1 xapi: [debug|x1|7302 UNIX /var/lib/xcp/xapi||dummytaskhelper] task dispatch:pool.get_all D:8dd5dc9967c6 created by task D:97e4b679b8ff
Sep  9 19:30:47 x1 xapi: [ info|x1|7301 UNIX /var/lib/xcp/xapi|session.logout D:51a3f0d13d0f|xapi] Session.destroy trackid=9299cd872f1b92bdff38e243382053c3

 

How could I go about debugging this? How can I identify where those sessions are coming from?

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