 27 Jun 2019, Konstantin Olchanski, Bug Report, Getting an error when trying to compile a frontend file
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If the latest midas does not work, try the previous release versions. "git tags" and "git branch -
a" will show you what exists. Look for branch and tag names in the form "midas-YYYY-MM".
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27 Jun 2019, Konstantin Olchanski, Bug Report, make linux32 bombs on el7 in crc32c.c, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
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Reproduced on el7 (CentOS7). Same thing works on el6 (SL6).
The error is in the SSE4.2-assembly-accelerated library for computing crc32c checksums. I do
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28 Jun 2019, Konstantin Olchanski, Bug Report, make linux32 bombs on el7 in crc32c.c, ERROR INSTALLING 32BIT MIDAS LIBRARIES ON 64BIT HOST MACHINE
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> Reproduced on el7 (CentOS7). Same thing works on el6 (SL6).
Fixed in commit dd937e6. Only enable SSE4.2 crc32c for 64-bit compilation. Still not sure why it worked for 32-bit
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28 Jun 2019, Konstantin Olchanski, Bug Report, Status page reloads every second
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> We observed a strange behavior, from our point of view:
> ... the Midas status page started to reload/refresh every second
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02 Jul 2019, Konstantin Olchanski, Suggestion, my_global.h not present in my linux distribution (needed)
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Confirmed. my_global.h is removed in MySQL 8.0 (gives a compile error) and deprecated in
MariaDB 10.2 (gives a #warning).
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05 Jul 2019, Konstantin Olchanski, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
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> /home/hh19285/packages/rootana/include/TRootanaEventLoop.hxx:24:25: fatal error:
> THttpServer.h: No such file or directory
> #include "THttpServer.h"
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05 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
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> I am missing a few features.
MSL did not start out as a fully featured programming language.
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08 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
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> After a long overnight run to check that the frontend runs smoothly for a longer
> time, I stopped the run and the frontend was killed by midas.
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08 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
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> Konstantin, would you mind resurrecting and sharing the python code?
Not until September or later.
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08 Jul 2019, Konstantin Olchanski, Info, Limitations of MSL
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Hi, Stefan, on second thought, I agree, I do not know of any scripting language implementation (packaged as a library or not) that
can store it's state in a file ("checkpoint the execution") and that can execute it's program "one line at a time", like the midas
sequencer does now. In the most severe case, one invocation of msequencer executes one line of the msl script.
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08 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
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> > run the frontend inside gdb and post the stack trace after the crash?
> >
> > if there is no crash (the program is stopped by exit()), you may need
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08 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
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> >
> > For SIGKILL, my gdb reports "Program terminated with signal SIGKILL, Killed." and there is no stack
> > trace. Is this what you see?
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10 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
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> ... finding a current midas.log file
On the "help" page, see "midas.log".
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10 Jul 2019, Konstantin Olchanski, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
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>> [hh19285@it038146 ~]$ which root-config
> /software/root/v6.06.08/bin/root-config
> [hh19285@it038146 ~]$ root-config --cflags
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11 Jul 2019, Konstantin Olchanski, Bug Report, Frontend killed at stop of run
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> Wed Jul 10 06:23:58 2019 [mhttpd,ERROR] [system.c:4580:ss_recv_net_command,ERROR] timeout receiving network command header
> Wed Jul 10 06:23:58 2019 [mhttpd,ERROR] [midas.c:10322:rpc_client_call,ERROR] call to "fedescant" on "grsmid00.triumf.ca" RPC "rc_transition": timeout
waiting for reply
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11 Jul 2019, Konstantin Olchanski, Bug Report, Header files missing when trying to compile rootana, roody and analyzer
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> > You can confirm that you are linking against the correct ROOT by running cmake with VERBOSE=1
> > and examine the linker command line to see what library link path is specified for ROOT.
>
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 11 Jul 2019, Konstantin Olchanski, Bug Report, problems with the default mhttpd configuration
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We installed recent mhttpd on a ubuntu machine and discovered a number of problems
with the default mhttpd settings.
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11 Jul 2019, Konstantin Olchanski, Bug Report, problems with the default mhttpd configuration, also elogd
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> It turns out that unlike CentOS-7, Ubuntu LTS 18.04 does not run a restrictive firewall
> and access to mhttpd ports 8080 and 8443 is not blocked
>
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11 Jul 2019, Konstantin Olchanski, Bug Report, rework of mhttpd configuration
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> Ubuntu LTS 18.04 does not run a restrictive firewall and access to mhttpd ports 8080 and 8443 is not
blocked.
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12 Jul 2019, Konstantin Olchanski, Bug Report, rework of mhttpd configuration
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> > - this will activate the mhttpd password protection, so one would have to define a username and password
> > in the .htdigest file (this is done by the mongoose web server library).
>
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