 01 Aug 2006, Konstantin Olchanski, Bug Fix, User-tunable buffer sizes
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By default, MIDAS creates shared memory event data buffers of default size
EVENT_BUFFER_SIZE defined in midas.h and until now making of large data buffers
for high data rate or large event size experiments was complicated.
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26 Feb 2007, Stefan Ritt, Info, Usage of event channel for improved throughput
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Starting from SVN revision 3642, sending events from the front-end has been revised.
Since long time ago, there is a special TCP socket established between any front-end and the mserver which can be used to bypass the midas RPC layer completely |
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07 May 2013, Konstantin Olchanski, Info, Updated: javascript custom page examples
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I updated the MIDAS javascript examples in examples/javascript1. All existing mhttpd.js functions are
now exampled. (yes).
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 10 May 2013, Konstantin Olchanski, Info, Updated: javascript custom page examples
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> ODBCopy(path, format); -- no doc
Updated example of ODBCopy:
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16 Oct 2003, David Morris, , Updated thread functions
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ss_thread_create now returns the thread ID on success, and zero on failure.
Previously returned SS_SUCCESS or SS_NO_THREAD. User must now test the
return value to determine result.
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28 Oct 2003, Stefan Ritt, , Updated thread functions
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> ss_thread_create now returns the thread ID on success, and zero on failure.
> Previously returned SS_SUCCESS or SS_NO_THREAD. User must now test the
> return value to determine result.
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06 Sep 2009, Exaos Lee, Suggestion, Updated "CMakeLists.txt" 
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| Add installation commands. Please see the attachment. |
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07 May 2006, Konstantin Olchanski, Bug Fix, Update & add VME drivers
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I commited fixes for a few minor compilation errors in the VME drivers
(vmicvme.c, etc)
I also added new drivers for the v513 latch and v560 scaler that I wrote for
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29 Oct 2021, Kushal Kapoor, Bug Report, Unknown Error 319 from client
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I’m trying to run MIDAS using a frontend code/client named “fetiglab”. Run stops
after 2/3sec with an error saying “Unknown error 319 from client “fetiglab” on
localhost.
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26 Jan 2022, Konstantin Olchanski, Bug Report, Unknown Error 319 from client
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> I’m trying to run MIDAS using a frontend code/client named “fetiglab”. Run stops
> after 2/3sec with an error saying “Unknown error 319 from client “fetiglab” on
> localhost.
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18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file
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Hello!
Sometimes when I mess around with the history plots I get the following error:
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18 Feb 2021, Pintaudi Giorgio, Bug Report, Unexpected end-of-file
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It appears that the issue is trigger by a nonexisting Event and Variable as shown
in the attached picture. This issue can arise when restoring the ODB from a
previous version or importing ODB values from other MIDAS instances.
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25 Feb 2021, Konstantin Olchanski, Bug Report, Unexpected end-of-file
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> > [mhttpd,ERROR] [history.cxx:97:xread,ERROR] Error: Unexpected end-of-file when
> > reading file "/home/wagasci-ana/Data/online/210219.hst"
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25 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
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Hi all,
I'm currently experiencing an issue during run transitions. It comes in the form
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25 Feb 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
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Clearly something goes wrong with the STARTABORT transition. Actually from your
sceenshot, it is not clear why the STARTABORT transition was initiated.
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26 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
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> Clearly something goes wrong with the STARTABORT transition. Actually from your
> sceenshot, it is not clear why the STARTABORT transition was initiated.
>
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26 Feb 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
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So there is no error on run start anymore? To debug the stuck run stop, please use "stop -v"
to see where it got stuck. You can also play with the RPC timeouts (the connect timeout and
the response timeout), to make it get "unstuck" quicker. Definitely it should not be stuck
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26 Feb 2021, Isaac Labrie Boulay, Bug Report, Undefined client causing issues in transition.
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> So there is no error on run start anymore? To debug the stuck run stop, please use "stop -v"
> to see where it got stuck. You can also play with the RPC timeouts (the connect timeout and
> the response timeout), to make it get "unstuck" quicker. Definitely it should not be stuck
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03 Mar 2021, Konstantin Olchanski, Bug Report, Undefined client causing issues in transition.
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> It does not get stuck if I run my DAQ using the odbedit commands (start/stop).
Interesting. Run start/stop from odbedit works but from mhttpd gets stuck.
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11 Jul 2006, Razvan Stefan Gornea, Forum, Tundra Universe CA91C042
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I am not using Midas but I need some help from somebody experienced with VME access using the Tundra Universe, so I thought here I have a chance ...
I have a GE Fanuc 7700 and use the vme_universe driver (ver. 3.3). In the past I programed for a DAQ board using A24/D16. Now I have a new board using |