 27 Nov 2007, Stefan Ritt, Info, ODB links to array elements implemented
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In revision 4090 I implemented ODB links to individual array elements. Now you
can have for example:
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22 Jan 2007, Carl Metelko, Forum, Midas on a x86_64
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Hi,
has anyone managed to get midas to work on a x86_64 processor. I followed the
instructions for the 64-bit opteron but i am getting runtime error when trying
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 22 Jan 2007, Konstantin Olchanski, Forum, Midas on a x86_64
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> has anyone managed to get midas to work on a x86_64 processor. I followed the
> instructions for the 64-bit opteron but i am getting runtime error when trying
> the examples.
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12 Jul 2007, Konstantin Olchanski, Forum, Midas on a x86_64 - incompatible with x86_32
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> We run 64-bit MIDAS on RHEL4 with 64-bit ROOT and everything generally works,
> except for compatibility problems with 32-bit MIDAS.
>
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13 Jul 2007, Stefan Ritt, Forum, Midas on a x86_64 - incompatible with x86_32
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> The biggest problem here is that making 32-bit ODB and 64-bit ODB compatible requires breaking one or
> the other (My proposed changes break the 64-bit version. Alternatively, one could add explicit padding
> to these data structures and break the 32-bit ODB).
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12 Aug 2007, Konstantin Olchanski, Forum, Midas on a x86_64 - incompatible with x86_32
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> I agree to make 32-bit and 64-bit compatible. In the long run, everything will be 64-bit, so I would suggest
> in breaking the 32-bit ODB, add some padding there where needed, probably with some conditional compiling.
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20 Aug 2007, Konstantin Olchanski, Forum, Midas on a x86_64 - incompatible with x86_32
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> > I agree to make 32-bit and 64-bit compatible. In the long run, everything will be 64-bit, so I would suggest
> > in breaking the 32-bit ODB, add some padding there where needed, probably with some conditional compiling.
>
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29 Aug 2007, Konstantin Olchanski, Forum, ODBv3, second try - Midas on a x86_64 - incompatible with x86_32
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> > > I agree to make 32-bit and 64-bit compatible. In the long run, everything will be 64-bit, so I would suggest
> > > in breaking the 32-bit ODB, add some padding there where needed, probably with some conditional compiling.
> > 1) midas.h: remove unused field "dispatch" from EVENT_REQUEST and bump DATABASE_VERSION from 2 to 3
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21 Nov 2007, Konstantin Olchanski, Forum, ODBv3, second try - Midas on a x86_64 - incompatible with x86_32
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These changes to make 32-bit and 64-bit ODB binary compatible with each other are now commited to midas svn, revision 4080.
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26 Jan 2007, Carl Metelko, Forum, Midas on a x86_64
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| I upgraded from 1.9.5 to the latest on SVN an it works fine |
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15 Mar 2007, Konstantin Olchanski, Info, mhdump: a standalone MIDAS history dump utility
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While working on improvements to the MIDAS history system, I understood the data
format of the MIDAS .hst files and wrote a standalone program to extract data
from them, called mhdump.
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15 Mar 2007, Stefan Ritt, Info, mhdump: a standalone MIDAS history dump utility
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> I hope people find this program useful. If you have any feedback (patches, bug
> reports, requests for improvements), please post them as replies to this forum
> message.
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20 Nov 2007, Konstantin Olchanski, Info, mhdump: a standalone MIDAS history dump utility
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> > I hope people find this program useful. If you have any feedback (patches, bug
> > reports, requests for improvements), please post them as replies to this forum
> > message.
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17 Oct 2007, Randolf Pohl, Forum, Adding MIDAS .root-files
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Dear MIDAS users,
I want to add several .root-files produced by the MIDAS analyzer, in a fast
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17 Oct 2007, John M O'Donnell, Forum, Adding MIDAS .root-files 
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The following program handles regular directories in a file, or folders (ugh).
Most histograms are added bin by bin.
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17 Oct 2007, Randolf Pohl, Forum, Multi-core CPUs
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Dear Forum,
I have this beautiful Intel Quadcore with fast disks, but MIDAS does obviously
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17 Oct 2007, Stefan Ritt, Forum, Multi-core CPUs
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> I have this beautiful Intel Quadcore with fast disks, but MIDAS does obviously
> only make use of one CPU at a time. Has anyboy of you already done some work
> on making MIDAS parallel? Event-based data analysis should be the best
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11 Oct 2007, Stefan Ritt, Bug Report, _syscall0 not available on gcc 4.1.1
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Dear Stephan,
I am writting on behalf of the LiBeRACE collaboration
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11 Oct 2007, Stefan Ritt, Bug Report, _syscall0 not available on gcc 4.1.1
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> Dear Stephan,
>
> I am writting on behalf of the LiBeRACE collaboration
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08 Oct 2007, Carl Metelko, Bug Report, Error in data format- ending blocks on 32bit boundary x86_64
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Hi,
I found that midas banks can be given an extra 32 bits of zeros when
trying to keep to 32bit boundary on my x86_64.
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08 Oct 2007, Stefan Ritt, Bug Report, Error in data format- ending blocks on 32bit boundary x86_64
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> Hi,
> I found that midas banks can be given an extra 32 bits of zeros when
> trying to keep to 32bit boundary on my x86_64.
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02 Oct 2007, Konstantin Olchanski, Info, ROODY, ROOTANA updates
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The ROODY online histogram viewer and the ROOTANA midas analyzer toolkit have been updated to work
with ROOT version 5.16 and tested on Linux (SL4.4) and MacOS (10.4.10/PPC).
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06 Sep 2007, Stefan Ritt, Info, Introduction of MIDAS_MAX_EVENT_SIZE
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We had the problem that different experiments used different MAX_EVENT_SIZE
values (the MEG experiment actually 10 MB!). If each experiment changes the
value in midas.h and accidentally commits it, other experiments are affected.
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20 Aug 2007, Konstantin Olchanski, Bug Report, how to handle end of run?
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I am having problems with handling the end-of-run situation in my midas
frontend. I have a device that continuously sends data (over USB) and I read
this data in my "read_event" function.
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03 Sep 2007, Stefan Ritt, Bug Report, how to handle end of run?
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> I am having problems with handling the end-of-run situation in my midas
> frontend. I have a device that continuously sends data (over USB) and I read
> this data in my "read_event" function.
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29 Aug 2007, Konstantin Olchanski, Info, Added data compression to mlogger
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I now commited the changes to mlogger (mlogger.c, msystem.h) implementing data
compression using zlib (svn revision 3845)
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08 Jun 2006, Konstantin Olchanski, Bug Fix, commit latest ccusb.c CAMAC-USB driver
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I commited the latest driver for the Wiener CCUSB USB-CAMAC driver. It
implements all functions from mcstd.h and has been tested to be plug-compatible
with at least one of our CAMAC frontends. K.O. |
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23 Sep 2006, Konstantin Olchanski, Bug Fix, commit latest ccusb.c CAMAC-USB driver
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> I commited the latest driver for the Wiener CCUSB USB-CAMAC driver. It
> implements all functions from mcstd.h and has been tested to be plug-compatible
> with at least one of our CAMAC frontends. K.O.
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22 Aug 2007, Konstantin Olchanski, Bug Fix, commit latest ccusb.c CAMAC-USB driver
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> > I commited the latest driver for the Wiener CCUSB USB-CAMAC driver. It
> > implements all functions from mcstd.h and has been tested to be plug-compatible
> > with at least one of our CAMAC frontends. K.O.
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26 Jul 2007, Stefan Ritt, Info, Change of pointer type in mvmestd.h
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I had to change the pointer type of mvme_read and mvme_write to (void *) instead
to (mvme_locaddr_t *) to avoid warnings under 64-bit linux. Please adjust your
VME drivers if necessary.
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12 Aug 2007, Konstantin Olchanski, Info, Change of pointer type in mvmestd.h
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> I had to change the pointer type of mvme_read and mvme_write to (void *) instead
> to (mvme_locaddr_t *) to avoid warnings under 64-bit linux. Please adjust your
> VME drivers if necessary.
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29 Jun 2007, Konstantin Olchanski, Bug Fix, mscb, musbstd fixed on Linux, MacOS
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I commited a few minor changes to musbstd and mscb code to make them work on
MacOSX (tested on 10.3.9) and Linux (tested on Fedora 6).
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02 Jul 2007, Stefan Ritt, Bug Fix, mscb, musbstd fixed on Linux, MacOS
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[quote="KO"]There supposed to be no changes to the Windows code, but I cannot test on Windows, so if somebody does and finds breakage, please let me know.[/quote]
I can confirm that revision 3713 still works under Windows. |
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06 Jul 2007, Konstantin Olchanski, Bug Fix, mscb, musbstd fixed on Linux, MacOS
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> I commited a few minor changes to musbstd and mscb code...
>
> The basic functions work with the MSCB USB master, but I still need to
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10 May 2007, Konstantin Olchanski, Info, RHEL5/SL5 success!
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FWIW, I am running latest 32-bit MIDAS on an AM2 dual core AMD machine under 64-bit SL5. Everything
seems to work correctly. K.O.
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03 Jul 2007, Ryu Sawada, Info, RHEL5/SL5 success!
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> P.S. For the record, the compiler produces two sets of warnings:
> - warning: dereferencing type-punned pointer will break strict-aliasing rules
> (I do not understand the meaning of the second warning. type-punned pointer, huh?)
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07 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
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Hello,
I am having a problem with the root-based analyzer. It crashes when I try to
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08 Jun 2007, Stefan Ritt, Forum, crash when analyzing multiple runs offline
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Unfortunately I don't have time right now to debug the problem, but I could see
roughly what it could be. The analyzer crashes inside CloseRootOutputFile:
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09 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
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Hello Stefan,
tree_struct.n_tree keeps counting up from run to run (in book_ttree). This should
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10 Jun 2007, Stefan Ritt, Forum, crash when analyzing multiple runs offline
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> tree_struct.n_tree keeps counting up from run to run (in book_ttree). This should
> presumably not be the case, since CloseRootOutputFile() frees the trees at eor().
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11 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
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Hello again,
just for the record, in case somebody else runs into the same problem...
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11 Jun 2007, Stefan Ritt, Forum, crash when analyzing multiple runs offline
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> I have hunted down "my" segfault problem to the fact that I book histograms not
> in <module>_init, but in <module>_bor. I have to do so, because only in bor do I
> know which histograms to book, as this information comes from the ODB (booking
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12 Jun 2007, Randolf Pohl, Forum, crash when analyzing multiple runs offline
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Hi
> So I guess your solution is not a real solution.
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22 May 2007, Randolf Pohl, Bug Report, analyzer_init called by odb_load
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Hi,
I wonder why mana.c:odb_load() calls analyzer_init(). This way analyzer_init
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22 May 2007, Stefan Ritt, Bug Report, analyzer_init called by odb_load
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The reason to call analyzer_init in odb_load is the following:
Assume you run the analyzer offline, analyzing many files in series. Then assume
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22 May 2007, Randolf Pohl, Bug Report, analyzer_init called by odb_load
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Thanks for the quick reply, Stefan.
Please don't change anything in the code unless you find it really important. I guess
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22 May 2007, Stefan Ritt, Bug Report, analyzer_init called by odb_load
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> Thanks for the quick reply, Stefan.
>
> Please don't change anything in the code unless you find it really important.
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21 May 2007, Konstantin Olchanski, Info, mhttpd changes to use /History/Tags data
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I am slowly commiting the changes to the history code. This installement adds
code to mhttpd to use the /History/Tags data (to be) generated by the mlogger.
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09 May 2007, Carl Metelko, Forum, Splitting data transfer and control onto different networks
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Hi,
I'm setting up a system with two networks with the intension of having
control info (odb, alarm) on the 192.168.0.x
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09 May 2007, Stefan Ritt, Forum, Splitting data transfer and control onto different networks
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Hi Carl,
so far I did not experience any problems of running odb&alarm on the same link as
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09 May 2007, Konstantin Olchanski, Forum, Splitting data transfer and control onto different networks
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> I'm setting up a system with two networks with the intension of having
> control info (odb, alarm) on the 192.168.0.x
> and the frontend readout on 192.168.1.x
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14 May 2007, Carl Metelko, Forum, Splitting data transfer and control onto different networks
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Hi,
thanks for the advice. We do have dual core Xeons so we'll try running
most things on the server. Unless it proves to be a problem we'll run all
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10 May 2007, Konstantin Olchanski, Bug Fix, Fix error reporting from cm_transition()
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For some time now, error reporting from cm_transition() was broken.
Typical symptom was when starting a run from mhttpd, when a transition error occurred, the run does not
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