# O² FLP **URL:** https://alice-talk.web.cern.ch/c/o2/flp/13.md [Latest](https://alice-talk.web.cern.ch/latest.md) · [Categories](https://alice-talk.web.cern.ch/categories.md) · [Tags](https://alice-talk.web.cern.ch/tags.md) --- ## [About the O² FLP category](https://alice-talk.web.cern.ch/t/about-the-o-flp-category/299)
**Author:** [@vmcb](https://alice-talk.web.cern.ch/u/vmcb)\ **Replies:** 0\ **Last updated:** [June 20, 2019, 12:18pm UTC](https://alice-talk.web.cern.ch/t/about-the-o-flp-category/299 "2019-06-20T12:18:57Z")
This is a category for all the discussions concerning support for the O² FLP Suite. This includes the following components: Readout Card Readout Quality Control AliECS InfoLogger Monitoring Configuration More informa… --- ## [Cleanup infologger](https://alice-talk.web.cern.ch/t/cleanup-infologger/1599)
**Author:** [@dstocco](https://alice-talk.web.cern.ch/u/dstocco)\ **Replies:** 1\ **Last updated:** [August 13, 2024, 10:57am UTC](https://alice-talk.web.cern.ch/t/cleanup-infologger/1599 "2024-08-13T10:57:41Z")
Dear all, I have an FLP test bench and I’m realising that the mysql INFOLOGGER database is taking up lot of disk space (36 GB). Is there a way to clean up the infologger database? Thanks in advance, best regards, Di… --- ## [QC: libGL errors after installation new version QC](https://alice-talk.web.cern.ch/t/qc-libgl-errors-after-installation-new-version-qc/1447)
**Author:** [@cpuggion](https://alice-talk.web.cern.ch/u/cpuggion)\ **Replies:** 3\ **Last updated:** [April 28, 2023, 6:29am UTC](https://alice-talk.web.cern.ch/t/qc-libgl-errors-after-installation-new-version-qc/1447 "2023-04-28T06:29:22Z")
Yesterday I installed the latest version of QC. I compiled without problems, but when I tried to run a task I got the following errors: libGL error: MESA-LOADER: failed to open crocus: /usr/lib64/dri/crocus\_dri.so: unde… --- ## [Accessing QC results from qc-async part of the QC CCDB](https://alice-talk.web.cern.ch/t/accessing-qc-results-from-qc-async-part-of-the-qc-ccdb/1427)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 3\ **Last updated:** [March 7, 2023, 12:52pm UTC](https://alice-talk.web.cern.ch/t/accessing-qc-results-from-qc-async-part-of-the-qc-ccdb/1427 "2023-03-07T12:52:07Z")
Hi, Looking at the qc-async “dir” in ali-qcdb-gpn.cern.ch:8083/browse/qc\_async/ it seems that the timestamps of the validity ranges are based on the time the async QC was ran, and thus has no relationship with the time … --- ## [Breakdown of MonitorObject sizes in a QC.root file?](https://alice-talk.web.cern.ch/t/breakdown-of-monitorobject-sizes-in-a-qc-root-file/1409)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 1\ **Last updated:** [January 16, 2023, 7:27am UTC](https://alice-talk.web.cern.ch/t/breakdown-of-monitorobject-sizes-in-a-qc-root-file/1409 "2023-01-16T07:27:01Z")
Hi, Is there a tool (executable or macro) somewhere in our software stack that can list the sizes of the MonitorObject in a given qc root file (e.g. one obtained using the --local-batch option of the o2-qc executable) ? … --- ## [timeStamp in asynchronous QC (e.g. for TaskInterface::retrieveCondition(Any) calls)](https://alice-talk.web.cern.ch/t/timestamp-in-asynchronous-qc-e-g-for-taskinterface-retrievecondition-any-calls/1250)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 13\ **Last updated:** [August 26, 2022, 2:05pm UTC](https://alice-talk.web.cern.ch/t/timestamp-in-asynchronous-qc-e-g-for-taskinterface-retrievecondition-any-calls/1250 "2022-08-26T14:05:47Z")
Hi, I have a QC task that needs to read some condition data from CCDB (e.g. GLO/GRP/BunchFilling). When using that task in a synchronous workflow all is fine as I get the condition for the current running conditions (ak… --- ## [TaskInterface::retrieveCondition vs retrieveConditionAny](https://alice-talk.web.cern.ch/t/taskinterface-retrievecondition-vs-retrieveconditionany/1252)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 6\ **Last updated:** [July 8, 2022, 10:21am UTC](https://alice-talk.web.cern.ch/t/taskinterface-retrievecondition-vs-retrieveconditionany/1252 "2022-07-08T10:21:30Z")
Hi, What’s the reason retrieveConditionAny does not initialise the CcdbApi if it’s not already while retrieveCondition does ? --- ## [Missing VMC library after (local) FLP Suite update](https://alice-talk.web.cern.ch/t/missing-vmc-library-after-local-flp-suite-update/1253)
**Author:** [@sitta](https://alice-talk.web.cern.ch/u/sitta)\ **Replies:** 9\ **Last updated:** [July 6, 2022, 3:58pm UTC](https://alice-talk.web.cern.ch/t/missing-vmc-library-after-local-flp-suite-update/1253 "2022-07-06T15:58:01Z")
Dear experts, here in Torino we have a CentOS 8 Stream node with FLP Suite which is used in the ZDC test setup. After updating from 0.60.0 to 0.63.0 (2 days ago), some commands stopped working. In particular, the comma… --- ## [QC: comparison plots](https://alice-talk.web.cern.ch/t/qc-comparison-plots/1254)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 2\ **Last updated:** [July 1, 2022, 2:39pm UTC](https://alice-talk.web.cern.ch/t/qc-comparison-plots/1254 "2022-07-01T14:39:58Z")
Hi, I would like to produce two sets of identical plots, for (forward) tracks : one set for MCH standalone tracks and one set for those MCH tracks that are in addition matched with MID. So far in my dev version each se… --- ## [Disable bookkeeping in FLP test benches](https://alice-talk.web.cern.ch/t/disable-bookkeeping-in-flp-test-benches/1247)
**Author:** [@dstocco](https://alice-talk.web.cern.ch/u/dstocco)\ **Replies:** 3\ **Last updated:** [June 22, 2022, 8:02am UTC](https://alice-talk.web.cern.ch/t/disable-bookkeeping-in-flp-test-benches/1247 "2022-06-22T08:02:34Z")
Dear all, I’ve updated the local test bench to the latest FLP suite and I’m launching some runs. However, the info logger is flooded with messages: Error while executing migrations: SequelizeDatabaseError: (conn=21, n… --- ## [QC PostProcessing : No MD5 of the file '...' in the db 'ccdb-test.cern.ch:8080', probably the file is missing](https://alice-talk.web.cern.ch/t/qc-postprocessing-no-md5-of-the-file-in-the-db-ccdb-test-cern-ch-8080-probably-the-file-is-missing/1217)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 3\ **Last updated:** [May 18, 2022, 12:46pm UTC](https://alice-talk.web.cern.ch/t/qc-postprocessing-no-md5-of-the-file-in-the-db-ccdb-test-cern-ch-8080-probably-the-file-is-missing/1217 "2022-05-18T12:46:32Z")
Hi there, Let’s say I have a (wip) QC task that produces two histograms (later on I’d expect to have two tasks producing the same type of histogram) and I’d like to build a plot that compares the two histograms. I’m tr… --- ## [QCG defaultDrawOptions](https://alice-talk.web.cern.ch/t/qcg-defaultdrawoptions/1105)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 9\ **Last updated:** [May 4, 2022, 7:32am UTC](https://alice-talk.web.cern.ch/t/qcg-defaultdrawoptions/1105 "2022-05-04T07:32:19Z")
Hi, I’m trying to convince QCG to plot an histogram in COLZ. I’m using TObjectManager::setDefaultDrawOptions but with no luck so far. Is there anything special to be done ? Also, the axis rendering of (I assume jsroot)… --- ## [FLP-specific subspecifications](https://alice-talk.web.cern.ch/t/flp-specific-subspecifications/1035)
**Author:** [@mfasel](https://alice-talk.web.cern.ch/u/mfasel)\ **Replies:** 10\ **Last updated:** [January 31, 2022, 10:02am UTC](https://alice-talk.web.cern.ch/t/flp-specific-subspecifications/1035 "2022-01-31T10:02:04Z")
Dear experts, In order to port our reconstruction workflow for data compression for EMCAL to the FLP we need to set a FLP-specific subspecification to the DPL channels as we have two FLPs and both FLPs would write into … --- ## [ONNXRuntime-latest failed to build](https://alice-talk.web.cern.ch/t/onnxruntime-latest-failed-to-build/1147)
**Author:** [@matplo](https://alice-talk.web.cern.ch/u/matplo)\ **Replies:** 4\ **Last updated:** [January 22, 2022, 1:32am UTC](https://alice-talk.web.cern.ch/t/onnxruntime-latest-failed-to-build/1147 "2022-01-22T01:32:06Z")
A failed build within a Ubuntu 20.04 docker. Help appreciated - a bit pesky kill signal… not sure where to start debugging… “c++: fatal error: Killed signal terminated program cc1plus compilation terminated.” Log is … --- ## [QC build failed at building O2@nightly-20211216](https://alice-talk.web.cern.ch/t/qc-build-failed-at-building-o2-nightly-20211216/1137)
**Author:** [@mbombara](https://alice-talk.web.cern.ch/u/mbombara)\ **Replies:** 16\ **Last updated:** [January 12, 2022, 8:05am UTC](https://alice-talk.web.cern.ch/t/qc-build-failed-at-building-o2-nightly-20211216/1137 "2022-01-12T08:05:32Z")
Dear Experts, I have problem with building QC on FLP machine. For building I run aliBuild build O2Suite --defaults o2 . It gets stuck at ==\> Building O2@nightly-20211216. The cernbox url to complete log is here . Pres… --- ## [Cannot upgrade to flp-suite 0.37.0](https://alice-talk.web.cern.ch/t/cannot-upgrade-to-flp-suite-0-37-0/1124)
**Author:** [@dstocco](https://alice-talk.web.cern.ch/u/dstocco)\ **Replies:** 5\ **Last updated:** [November 24, 2021, 5:02pm UTC](https://alice-talk.web.cern.ch/t/cannot-upgrade-to-flp-suite-0-37-0/1124 "2021-11-24T17:02:38Z")
Dear all, I’m trying to upgrade my FLP test bench to flp-suite-v0.37.0, but it fails with he following error: TASK \[nginx : Deploy nginx\_production configuration file\] \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*… --- ## [Disable statbox in QCG in layouts](https://alice-talk.web.cern.ch/t/disable-statbox-in-qcg-in-layouts/1083)
**Author:** [@mfasel](https://alice-talk.web.cern.ch/u/mfasel)\ **Replies:** 1\ **Last updated:** [September 28, 2021, 10:39am UTC](https://alice-talk.web.cern.ch/t/disable-statbox-in-qcg-in-layouts/1083 "2021-09-28T10:39:49Z")
Dear experts, is there a way to automatically disable the statbox in the QCG in layouts? We tried to use the stat checkbox in the layout configuration but it seems to not work. We can disable it manually via show statbo… --- ## [Problem with TCanvas on FLPs](https://alice-talk.web.cern.ch/t/problem-with-tcanvas-on-flps/1069)
**Author:** [@poghos](https://alice-talk.web.cern.ch/u/poghos)\ **Replies:** 1\ **Last updated:** [September 6, 2021, 8:02am UTC](https://alice-talk.web.cern.ch/t/problem-with-tcanvas-on-flps/1069 "2021-09-06T08:02:08Z")
Dear Experts, Seems there is a problem with the ROOT installed on FLPs. It crashes in case of creating a TCanvas. \[flp@alio2-cr1-flp146 ~\]$ root ------------------------------------------------------------------ |… --- ## [Running QC in AliECS](https://alice-talk.web.cern.ch/t/running-qc-in-aliecs/1019)
**Author:** [@dstocco](https://alice-talk.web.cern.ch/u/dstocco)\ **Replies:** 1\ **Last updated:** [July 23, 2021, 3:55pm UTC](https://alice-talk.web.cern.ch/t/running-qc-in-aliecs/1019 "2021-07-23T15:55:06Z")
Dear @bvonhall , I’m trying a basic MID QC workflow in AliECS…but I’m kind of stuck with some basic issue. I tested that the workflow works with: o2-raw-file-reader-workflow --input-conf MIDraw.cfg | o2-qc --config js… --- ## [No DCS SOR timeout in ECS for Run3?](https://alice-talk.web.cern.ch/t/no-dcs-sor-timeout-in-ecs-for-run3/1031)
**Author:** [@poghos](https://alice-talk.web.cern.ch/u/poghos)\ **Replies:** 1\ **Last updated:** [July 23, 2021, 3:10pm UTC](https://alice-talk.web.cern.ch/t/no-dcs-sor-timeout-in-ecs-for-run3/1031 "2021-07-23T15:10:57Z")
Dear ECS experts, The ECS finishes the “Create” procedure w/o waiting for the DCS SOR to be completed. I do not see any info/warning/error on DCS SOR timeout in the InfoLogger either. Not a big issue for EMC for the cu… --- ## [Eos client for CS8](https://alice-talk.web.cern.ch/t/eos-client-for-cs8/1002)
**Author:** [@juskoa](https://alice-talk.web.cern.ch/u/juskoa)\ **Replies:** 6\ **Last updated:** [July 7, 2021, 10:46am UTC](https://alice-talk.web.cern.ch/t/eos-client-for-cs8/1002 "2021-07-07T10:46:50Z")
Dear all, trigger control computer is sitting on common FLP network in P2. Is there a specific procedure (.yaml) enabling EOS client in CS8? We need an access to /eos/project/a/alicetrg. Cheers, Anton --- ## [Problems with coconut during FLPSuite upgrading(0.17.2-\>0.19)](https://alice-talk.web.cern.ch/t/problems-with-coconut-during-flpsuite-upgrading-0-17-2-0-19/998)
**Author:** [@afurs](https://alice-talk.web.cern.ch/u/afurs)\ **Replies:** 3\ **Last updated:** [July 3, 2021, 10:51am UTC](https://alice-talk.web.cern.ch/t/problems-with-coconut-during-flpsuite-upgrading-0-17-2-0-19/998 "2021-07-03T10:51:04Z")
Dear Experts, I cannot upgrade FLPsuite due to some problems with coconut, last part of related log: Refresh AliECS repositories (via handler)... j183.localdomain ok included: /home/flp/.local/share/o2-flp-setup/sys… --- ## [QC failed to build](https://alice-talk.web.cern.ch/t/qc-failed-to-build/974)
**Author:** [@afurs](https://alice-talk.web.cern.ch/u/afurs)\ **Replies:** 15\ **Last updated:** [June 22, 2021, 8:36am UTC](https://alice-talk.web.cern.ch/t/qc-failed-to-build/974 "2021-06-22T08:36:49Z")
Dear Experts, I’ve received error during QC building(tests): 2021-06-11@04:52:42:DEBUG:O2Suite:QualityControl:dev\_fit: /data/work/alice/sw/slc7\_x86-64/GCC-Toolchain/v10.2.0-alice2-local1/bin/…/lib/gcc/x86\_64-unknown-li… --- ## [QC RPMs](https://alice-talk.web.cern.ch/t/qc-rpms/972)
**Author:** [@laphecet](https://alice-talk.web.cern.ch/u/laphecet)\ **Replies:** 9\ **Last updated:** [June 9, 2021, 10:32am UTC](https://alice-talk.web.cern.ch/t/qc-rpms/972 "2021-06-09T10:32:45Z")
Hi there, I’m trying to install QC RPMs in a CentOS 8 docker container and I get : \[root@5d7a3d17a4de /\]# yum install -y alisw-QualityControl+v1.18.1-1.x86\_64 Failed to set locale, defaulting to C.UTF-8 Last metadata e… --- ## [Missing environment-modules in flpsuite 0.18](https://alice-talk.web.cern.ch/t/missing-environment-modules-in-flpsuite-0-18/962)
**Author:** [@dstocco](https://alice-talk.web.cern.ch/u/dstocco)\ **Replies:** 6\ **Last updated:** [May 31, 2021, 6:41am UTC](https://alice-talk.web.cern.ch/t/missing-environment-modules-in-flpsuite-0-18/962 "2021-05-31T06:41:13Z")
Dear @vmcb , MID was just upgraded to FLP suite 0.18. I see that one of the main change is that there is no modules anymore: everything is installed under /opt/o2. Some of my tests relied on the possibility to compile … --- ## [Use run number from AliECS as part of the raw data filename when recording with readout.exe](https://alice-talk.web.cern.ch/t/use-run-number-from-aliecs-as-part-of-the-raw-data-filename-when-recording-with-readout-exe/882)
**Author:** [@Andry](https://alice-talk.web.cern.ch/u/Andry)\ **Replies:** 4\ **Last updated:** [April 29, 2021, 4:16pm UTC](https://alice-talk.web.cern.ch/t/use-run-number-from-aliecs-as-part-of-the-raw-data-filename-when-recording-with-readout-exe/882 "2021-04-29T16:16:51Z")
Dear experts, When we record raw data file on the local disk of the FLPs, we currently use the following lines in the configuration file of readout.exe: \[consumer-rec\] enabled=1 consumerType=fileRecorder dropEmptyHBFra… --- ## [DPL workflow shared memory issue](https://alice-talk.web.cern.ch/t/dpl-workflow-shared-memory-issue/915)
**Author:** [@dstocco](https://alice-talk.web.cern.ch/u/dstocco)\ **Replies:** 6\ **Last updated:** [April 27, 2021, 10:06am UTC](https://alice-talk.web.cern.ch/t/dpl-workflow-shared-memory-issue/915 "2021-04-27T10:06:34Z")
Dear all, I’m running a workflow on the FLP to decode and check output data. Everything runs smoothly when using only orbit triggers, or when running with 100kHz physics triggers with only 2 GBT links. But when I run w… --- ## [FLPSuite 0.17.2 : problems with QC](https://alice-talk.web.cern.ch/t/flpsuite-0-17-2-problems-with-qc/905)
**Author:** [@afurs](https://alice-talk.web.cern.ch/u/afurs)\ **Replies:** 8\ **Last updated:** [April 20, 2021, 1:41pm UTC](https://alice-talk.web.cern.ch/t/flpsuite-0-17-2-problems-with-qc/905 "2021-04-20T13:41:12Z")
Dear Experts, there are some problems with QC after new FLPSuite version installation, QC GUI cannot load MO/QO objects(screenshot attached). Also I received 2 warnings: \[WARNING\]: Module did not set no\_log for unsafe… --- ## [Cannot upgrade to flp-suite 0.17](https://alice-talk.web.cern.ch/t/cannot-upgrade-to-flp-suite-0-17/898)
**Author:** [@dstocco](https://alice-talk.web.cern.ch/u/dstocco)\ **Replies:** 2\ **Last updated:** [April 14, 2021, 10:41am UTC](https://alice-talk.web.cern.ch/t/cannot-upgrade-to-flp-suite-0-17/898 "2021-04-14T10:41:14Z")
Dear all, I’m trying to upgrade an FLP test bench to v0.17. But if fails with: Ensure InfoLoggerD runs at boot time... nanpca28 failed | msg: Unable to start service o2-infologger-daemon: Job for o2-infologger-daemo… --- ## [Roc-bench-dma crash](https://alice-talk.web.cern.ch/t/roc-bench-dma-crash/890)
**Author:** [@juskoa](https://alice-talk.web.cern.ch/u/juskoa)\ **Replies:** 9\ **Last updated:** [April 12, 2021, 7:51am UTC](https://alice-talk.web.cern.ch/t/roc-bench-dma-crash/890 "2021-04-12T07:51:35Z")
Dear FLP support, can you help with following: \[flp@cru-server2 aj\]$ roc-bench-dma --i=#0 --data=Fee --fast --bypass --to-file-bin=/tmp/data --bytes=200Mi Error: Couldn’t lock Memory Mapped File; /jenkins/workspace/Bu… [Next page](https://alice-talk.web.cern.ch/c/o2/flp/13.md?page=1)