| 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 <2019> 2020 2021 2022 2023 2024 2025 | Index | 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 <2019> 2020 2021 2022 2023 2024 2025 |
| <== Date ==> | <== Thread ==> |
|---|
| Subject: | pvget hangs |
| From: | Mark Rivers via Core-talk <[email protected]> |
| To: | "[email protected]" <[email protected]> |
| Date: | Tue, 13 Aug 2019 21:39:25 +0000 |
|
I had a problem with pvget today. I am running an areaDetector IOC that runs qsrv and also the NDPluginPva. The IOC is running 7.0.3, linux-x86_64 on Ubuntu 18. On this IOC this is the output of pvasr: epics> pvasr pvAccess Server v7.0.0 Active configuration (w/ defaults) EPICS_PVAS_INTF_ADDR_LIST = 0.0.0.0:5075 EPICS_PVAS_BEACON_ADDR_LIST = EPICS_PVAS_AUTO_BEACON_ADDR_LIST = YES EPICS_PVAS_BEACON_PERIOD = 15 EPICS_PVAS_BROADCAST_PORT = 5076 EPICS_PVAS_SERVER_PORT = 5075 EPICS_PVAS_PROVIDER_NAMES = QSRV local I try to access a PV using caget, pvget –p ca, and pvget –p pva. I am using the 7.0.3 versions of all of these. These are running on the same Ubuntu 18 machine as the IOC. caget works fine. ************** TahoeU18:/corvette/home/epics/devel/areaDetector/configure> /corvette/usr/local/epics-devel/base-7.0.3/bin/linux-x86_64-ub18/caget 13SP1:cam1:AcquireTime 13SP1:cam1:AcquireTime 0.001 ************** pvget –p ca works fine. ************** TahoeU18:/corvette/home/epics/devel/areaDetector/configure> /corvette/usr/local/epics-devel/base-7.0.3/bin/linux-x86_64-ub18/pvget -p ca 13SP1:cam1:AcquireTime 13SP1:cam1:AcquireTime 0.001 ************** pvget –p pva prints a timeout message, and then the program hangs. The only way to kill it is with “kill -9” from another terminal. ************** TahoeU18:/corvette/home/epics/devel/areaDetector/configure> /corvette/usr/local/epics-devel/base-7.0.3/bin/linux-x86_64-ub18/pvget -p pva 13SP1:cam1:AcquireTime Timeout ^C^C^C^C Killed ************** I tried running the pvget –p pva command on another Linux system (Centos 7, base 7.0.3), talking to the same IOC. It also hung up the same way, I had to kill it with -9. The IOC appeared to be working fine in all other respects. I then rebooted the IOC and the problem with pvget –p pva is gone. ************** TahoeU18:/corvette/home/epics/devel/areaDetector/configure> /corvette/usr/local/epics-devel/base-7.0.3/bin/linux-x86_64-ub18/pvget -p pva 13SP1:cam1:AcquireTime 13SP1:cam1:AcquireTime 2019-08-13 16:15:10.742 0.001 ************** Any idea what could have been wrong that rebooting fixed? Mark |