 26 Apr 2017, Francesco Renga, Forum, Problem with logger at run start
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Dear experts,
we have a problem when trying to run a MIDAS DAQ which worked in the past on the same PC (but on a different
network). We get the following error messages when starting a new run:
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 26 Apr 2017, Stefan Ritt, Forum, Problem with logger at run start
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Dear Francesco,
Your error (No route to host) typically means that you have a network problem outside of MIDAS. Your computer has to "find itself" and
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26 Apr 2017, Francesco Renga, Forum, Problem with logger at run start
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Dear Stefan,
thank you very much for your reply. We could finally fix the problem by replacing "scarlett" with "scarlett.localdomain" in our
hostname configuration file /etc/hostname (under debian).
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02 May 2017, Konstantin Olchanski, Forum, Problem with logger at run start
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> Wed Apr 26 23:03:12 2017 [mhttpd,ERROR] [midas.c:9106:rpc_client_connect,ERROR] cannot connect to host "scar
> lett", port 44858: connect() returned -1, errno 113 (No route to host)
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02 May 2017, Konstantin Olchanski, Info, mhttpd inline-editor change
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I changed the mhttpd odb inline editor to use the json-rpc interface. Good things:
- browser no longer complains about obsolete synchronous ajax calls
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17 Mar 2017, Pierre Gorel, Bug Report, badly managed case in history_schema.cxx: dat file empty
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For an unknown reason, Logger died few days ago while writing the history. The
file mhf_1489577446_20170315_system.dat was created, but was empty.
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15 Apr 2017, Konstantin Olchanski, Bug Report, badly managed case in history_schema.cxx: dat file empty
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> For an unknown reason, Logger died few days ago while writing the history. The
> file mhf_1489577446_20170315_system.dat was created, but was empty.
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14 Apr 2017, Wes Gohn, Forum, mhttpd lag
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Hi everyone,
We have recently been experiencing a lot of lag with our midas control webpage,
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14 Apr 2017, Pierre Gorel, Forum, mhttpd lag
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> Hi everyone,
>
> We have recently been experiencing a lot of lag with our midas control webpage,
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15 Apr 2017, Konstantin Olchanski, Forum, mhttpd lag
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> > Hi everyone,
> >
> > We have recently been experiencing a lot of lag with our midas control webpage,
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15 Apr 2017, Konstantin Olchanski, Forum, mhttpd lag, which browser
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> > >
> > > We have recently been experiencing a lot of lag with our midas control webpage,
> > > which is making it very frustrating to use. Has anyone experienced this, and do
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05 Apr 2017, Andreas Suter, Bug Report, Equipment Expand doesn't work anymore
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I'd liked very much the possibility to hide away Equipment on the main page. It
is also nice to have the '+' to get it quickly back when needed. However, this
seems not to work anymore (git c9d9d604803). Is this a feature or something went
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10 Apr 2017, Stefan Ritt, Bug Report, Equipment Expand doesn't work anymore
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> I'd liked very much the possibility to hide away Equipment on the main page. It
> is also nice to have the '+' to get it quickly back when needed. However, this
> seems not to work anymore (git c9d9d604803). Is this a feature or something went
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10 Apr 2017, Andreas Suter, Bug Report, Equipment Expand doesn't work anymore
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> > I'd liked very much the possibility to hide away Equipment on the main page. It
> > is also nice to have the '+' to get it quickly back when needed. However, this
> > seems not to work anymore (git c9d9d604803). Is this a feature or something went
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15 Apr 2017, Konstantin Olchanski, Bug Report, Equipment Expand doesn't work anymore
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> > > I'd liked very much the possibility to hide away Equipment on the main page. It
> > > is also nice to have the '+' to get it quickly back when needed. However, this
> > > seems not to work anymore (git c9d9d604803). Is this a feature or something went
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05 Apr 2017, Andreas Suter, Suggestion, nicer header?!
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We use the customHeader to display some useful information. Currently I do not
like its style. What about to make it more alike the footer?
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05 Apr 2017, Stefan Ritt, Suggestion, nicer header?!
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In my opinion this makes sense. If KO agrees, you should commit your change.
Stefan
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15 Apr 2017, Konstantin Olchanski, Suggestion, nicer header?!
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> In my opinion this makes sense. If KO agrees, you should commit your change.
Please go ahead (sorry for slow reply). I have no idea what this change does. A screenshot of "before"
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14 Mar 2017, Andreas Suter, Bug Report, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
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I think there sneaked in a little bug in the mhttpd: when starting an experiment
from scratch and starting the mhttpd, the Menu Buttons are missing and,
correctly, I get periodic error messages. I expected that the default ODB entry
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14 Mar 2017, Konstantin Olchanski, Bug Report, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
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> I think there sneaked in a little bug in the mhttpd: when starting an experiment
> from scratch and starting the mhttpd, the Menu Buttons are missing and,
> correctly, I get periodic error messages. I expected that the default ODB entry
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16 Mar 2017, Konstantin Olchanski, Bug Report, Replaced with /experiment/menu, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
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> > I think there sneaked in a little bug in the mhttpd: when starting an experiment
> > from scratch and starting the mhttpd, the Menu Buttons are missing
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16 Mar 2017, Thomas Lindner, Bug Report, Replaced with /experiment/menu, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
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> > > I think there sneaked in a little bug in the mhttpd: when starting an experiment
> > > from scratch and starting the mhttpd, the Menu Buttons are missing
>
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28 Mar 2017, Konstantin Olchanski, Bug Report, Replaced with /experiment/menu, mhttpd - /Experiment/Menu Buttons - git-sha a350e8db11
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> > > > I think there sneaked in a little bug in the mhttpd: when starting an experiment
> > > > from scratch and starting the mhttpd, the Menu Buttons are missing
> >
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14 May 2015, Konstantin Olchanski, Suggestion, checksums for midas data files
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I am adding LZ4 and LZO compression the mlogger and as part of this work, I would like to add
computation of checksums for the midas files.
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14 May 2015, Stefan Ritt, Suggestion, checksums for midas data files
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> Any thoughts on this?
We use binary midas files now for ~20 years and never felt the necessity to put any checksums or even encryption on these files. The reason for that is |
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15 May 2015, Konstantin Olchanski, Suggestion, checksums for midas data files
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> > Any thoughts on this?
>
> We use binary midas files now for ~20 years and never felt the necessity to put any checksums or even encryption on these files ...
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05 Oct 2016, Lee Pool, Suggestion, checksums for midas data files
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Hi
> On one side, such checksums help me confirm that uncompressed data contents is the same as original
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13 Oct 2016, Konstantin Olchanski, Suggestion, checksums for midas data files
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Confirmed, this is a bug in mlogger. It should be creating *2* files, one with the before-compression checksum and one with the after-compression checksum.
At
least both checksums are written to midas.log, so you can grep them from there. K.O.
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13 Mar 2017, Konstantin Olchanski, Suggestion, checksums for midas data files
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> Confirmed, this is a bug in mlogger. It should be creating *2* files, one with the before-compression checksum and one with the after-compression checksum.
At
> least both checksums are written to midas.log, so you can grep them from there. K.O.
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13 Mar 2017, Konstantin Olchanski, Info, improved mhttpd sounds
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I reworked the alarm sounds in mhttpd - now you can turn off all sounds without disabling the
alarm system for everybody.
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27 Feb 2017, William Moore, Suggestion, analyzer failing to load ODB parameters
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Hi,
I am attempting to compile and run analysis code on a completely different,
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15 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
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Dear all,
I have problem in event buffer size.
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16 Feb 2017, Konstantin Olchanski, Bug Report, increase event buffer size
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> I have problem in event buffer size.
>
> When run MIDAS, I got error "total event size (1307072) larger than buffer size
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20 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
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I am sorry for my late reply
memory in my PC is 16 GB
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20 Feb 2017, Konstantin Olchanski, Bug Report, increase event buffer size
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> memory in my PC is 16 GB
You can safely go to buffer size 100 Mbytes or more.
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20 Feb 2017, Konstantin Olchanski, Bug Report, increase event buffer size
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> > memory in my PC is 16 GB
>
> You can safely go to buffer size 100 Mbytes or more.
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15 Feb 2017, NguyenMinhTruong, Bug Report, increase event buffer size
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Dear all,
I have problem in event buffer size.
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14 Feb 2017, Konstantin Olchanski, Info, mhttpd.js split into midas.js, mhttpd.js and obsolete.js
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As discussed before, the midas omnibus javascript file mhttpd.js has been split into three pieces:
midas.js - midas "public api" for building web pages that interact with midas
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08 Sep 2016, Amy Roberts, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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I've recently run into issues when using JSON.parse on ODB keys containing
8-bit data.
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30 Sep 2016, Konstantin Olchanski, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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> I've recently run into issues when using JSON.parse on ODB keys containing
> 8-bit data.
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25 Oct 2016, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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> > I've recently run into issues when using JSON.parse on ODB keys containing
> > 8-bit data.
>
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01 Dec 2016, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail 
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> > I've recently run into issues when using JSON.parse on ODB keys containing
> > 8-bit data.
>
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15 Jan 2017, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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> > In other words, non-UTF-8 strings are following non-IEEE-754 floating point values into oblivion - as
> > we do not check the TID_FLOAT and TID_DOUBLE is valid IEEE-754 values, we should not check
> > that TID_STRING is valid UTF-8.
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23 Jan 2017, Thomas Lindner, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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> At Konstantin's suggestion, I committed the function I found for checking if a string was UTF-8 compatible to
> odb.c. The function is currently not used; I commented out a proposed use in db_create_key. Experts can decide
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30 Jan 2017, Stefan Ritt, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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>
> > At Konstantin's suggestion, I committed the function I found for checking if a string was UTF-8 compatible to
> > odb.c. The function is currently not used; I commented out a proposed use in db_create_key. Experts can decide
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01 Feb 2017, Konstantin Olchanski, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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>
> I see you put some switches into the environment ("MIDAS_INVALID_STRING_IS_OK"). Do you think this is a good idea? Most variables are
> sitting in the ODB (/experiment/xxx), except those which cannot be in the ODB because we need it before we open the ODB, like MIDAS_DIR.
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01 Feb 2017, Stefan Ritt, Bug Report, control characters not sanitized by json_write - can cause JSON.parse of mhttpd result to fail
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> Some additional explanation.
>
> Time passed, the world turned, and the current web-compatible standard for text strings is UTF-8 encoded Unicode, see
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15 Dec 2016, Kevin Giovanetti, Bug Report, midas.h error
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creating a frontend on MAC Sierra OSX 10
include the midas.h file and when compiling with XCode I get an error based on
this entry in the midas.h include
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15 Dec 2016, Stefan Ritt, Bug Report, midas.h error
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> creating a frontend on MAC Sierra OSX 10
> include the midas.h file and when compiling with XCode I get an error based on
> this entry in the midas.h include
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01 Feb 2017, Konstantin Olchanski, Bug Report, midas.h error
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>
> If you compile with the included Makefile, you will see a
>
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01 Feb 2017, Stefan Ritt, Bug Report, midas.h error
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> >
> > If you compile with the included Makefile, you will see a
> >
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14 Oct 2016, Konstantin Olchanski, Info, Javascript based run start and stop pages.
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I switched mhttpd to use the new javascript based run start and stop pages.
There are two new html pages:
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05 Dec 2016, Thomas Lindner, Info, Javascript based run start and stop pages.
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> I switched mhttpd to use the new javascript based run start and stop pages.
One initial complaint: the transition.html page doesn't seem to deal well with a frontend program using
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01 Feb 2017, Konstantin Olchanski, Info, Javascript based run start and stop pages.
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> > I switched mhttpd to use the new javascript based run start and stop pages.
>
> One initial complaint: the transition.html page doesn't seem to deal well with a frontend program using
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01 Feb 2017, Stefan Ritt, Info, Javascript based run start and stop pages.
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> > > I switched mhttpd to use the new javascript based run start and stop pages.
> >
> > One initial complaint: the transition.html page doesn't seem to deal well with a frontend program using
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01 Dec 2016, Konstantin Olchanski, Info, midas wiki updated to mediawiki 1.27.1
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midas wiki at https://midas.triumf.ca/MidasWiki/index.php/Main_Page
was updated to MediaWiki version 1.27.1, the current MediaWiki LTS release.
Everything should work as before, but if you see any problems or anomalies, please report
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24 Oct 2016, Tim Gorringe, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
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Hi Midas forum,
I'm having a problem with odb hotlinks after increasing sub-directories in an
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25 Oct 2016, Tim Gorringe, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
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oOne additional comment. I was able to trace the setting of the error code DB_NO_MEMORY
to a call to the db_add_open_record() by mserver that is initiated during the start-up
of my frontend via an RPC call. I checked with a debug printout that I have indeed
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04 Nov 2016, Thomas Lindner, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
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Hi Tim,
I reproduced your problem and then managed to go through a procedure to increase the number
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25 Nov 2016, Thomas Lindner, Bug Report, problem with error code DB_NO_MEMORY from db_open_record() call when establish additional hotlinks
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The procedure I wrote seemed to work for Tim too, so I added a page to the wiki about it here:
https://midas.triumf.ca/MidasWiki/index.php/FAQ
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14 Oct 2016, Luka Pavelic, Forum, Wiener PCIVME link
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Hello,
I'm trying to make Wiener PCIVME link work with MIDAS.
In documentation/VME dirvers/ it's saying: "wevmemm.c PCI/VME Wiener board
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14 Oct 2016, Konstantin Olchanski, Forum, Wiener PCIVME link
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> Hello,
> I'm trying to make Wiener PCIVME link work with MIDAS.
> In documentation/VME dirvers/ it's saying: "wevmemm.c PCI/VME Wiener board
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14 Oct 2016, Pierre-Andre Amaudruz, Forum, Wiener PCIVME link
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> > Hello,
> > I'm trying to make Wiener PCIVME link work with MIDAS.
> > In documentation/VME dirvers/ it's saying: "wevmemm.c PCI/VME Wiener
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13 Oct 2016, Konstantin Olchanski, Info, new odbinit utility
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odbinit is a new utility program to initialize new ODB and to recover from corrupted ODB.
Right now, midas odb has some strange properties different from typical behavior of other
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