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DOPOM: setserial – controls configuration of serial ports

The DOPOM package for this month shall be setserial. Although the serial interface is more and more replaced by other things like USB or network interfaces, I know at least one application that depends on this oldfashioned stuff.

setserial has 14 bugs, some of them are rather old. So, here we go:

  •  #314219: package configure goes wrong
  •  #589620: Cannot set baud rate to 4800
  •  #589621: Cannot set baud rate to 4800
  •  #618630: setserial does not work with USB serial interfaces
  •  #618631: (no subject)
  •  #299933: ppp: Cannot convert to /etc/network/interfaces method while serial device
  •  #311813: setserial doesn’t work with serial device
  •  #410099: setserial dosen’t work in manual Mod.
  •  #468420: During install I get: “The update-modules command is deprecated and should not be used!”
  •  #518313: installs obsolete /etc/modutils/setserial
  •  #375276: don’t mislead by saying “loading saved-state” if none
  •  #459912: would be nice if one can disable a fifo via setserial
  •  #522622: setserial as a essential package
  •  #314963: init.d bails out on detecting /etc/serial.conf

#589620 and #589621 as well as #618630 and #618631 are the same. Great, two done, twelve left

#518313 is easy, since modutils is gone, don’t install that file

#468420 can be closed by not using update-modules

The solution to #375276 is mentioned in the bugreport. In case the serial line is handled by the kernel (= #KERNEL in the config file) just say so.

#589620 might be a misunderstaning. setserial is not meant to set the baudrate but only to set the base_baud. The base_baud depends on the hardware and
might not be set under certain circumstances. So this seems to be a feature instead of a bug.

#618630 might be a problem with strange hardware or the driver not supporting the needed ioctl(). At least with my usb serial devices I could not reproduce that bug

#299933 has been resolved by just waiting. Nowadays the order of init scripts is rearranged and this problem should not occur anymore

#311813 is again an ioctl() issue. setserial uses TIOCGSERIAL and statserial uses TIOCMGET so depending on the kernel one or the other feature might not work

So for the moment only five bugs out of 14 are still left (#314219, #410099, #459912, #522622, #314963), well done :-).

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DSOM: cd-discid – CDDB DiscID utility

The next DSOM package is cd-discid. The DiscID can be used to query for example the FreeDB database.

It is already part of the archive but needed an upload for a new version. I cheated a bit as I already did all work last month. Timur, the current maintainer, fixed an FTBFS on Hurd and I wanted to upload it before the Wheezy-freeze.

Here is the PTS page.

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201206: more action

Besides my already mentioned activities l had some fun with

  • shame on me, for my new meep packages I forgot some entries in the Conflict:-line. Luckily the piuparts-tests found the problem and assigned rc-bugs to me. Hey, I can help resolving three rc-bugs now :-).
  • some sponsoring of boinc; unfortunately there still is an ftbfs on powerpc
  • some sponsoring of boinc-app-seti
  • the patch for ‘my’ lintian bug was already accepted for version 2.5.9; that was really fast
  • Anibal accepted my patch for debtree; now debtree also prints the size of depending packages
  • the dscverify bug (#679148) has been fixed by using getopts(), my patch was not really needed

 

fasttree (mentioned in a previous post) made it to unstable and will become part of Wheezy.

So let the next month begin 🙂

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BOM: lintian

As you might have guessed from the previous posts, with BOM (Bug Of the Month) I want to take care of at least one bug from the Debian BTS each month.

Being a nice guy I have a five step plan in case a program does not work as expected.
1) read the manual
2) read the manual
3) ask my favourite search engine about that issue
4) read the manual
5) ask my favourite search engine about that issue
Unfortunately this plan totally failed while trying to understand the output of lintian. For an unknown reason I was always told that an init.d-script was not registered in debian/postinst. But I could see that seemingly missing call to updaterc.d

Looking at the PTS and the number of bugs for lintian, I decided that this might be the next entry. Fairly quickly I found the code where the error must be hidden. A bit shocked I was faced with something like:

  my $opts_r = qr/-\S+\s*/;
  my $name_r = qr/[\w.-]+/;
  my $action_r = qr/\w+/;

  /^(?:.+;|^\s*system[\s\(\']+)?\s*update-rc\.d\s+ (?:$opts_r)*($name_r)\s+($action_r)/xo;

At the sight of that regular expression I just wanted to run away and do some gardening (normally it is the other way around). After pulling up weeds for awhile, I sat down again and tried to decode that expression. Surprisingly it was not as difficult as expected before.

As a result #677142 containing a patch came into existence.

Result: regular expressions look strange but lift their secret after some time of thinking

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DSOM: shotdetect – scene change detector

Similar to DOPOM, that I mentioned in a previous post, I would also like to start DSOM (Debian Sponsoring Of the Month). As I still remember the times when I was looking for a sponsor for my packages, I would like to make that time a bit more pleasant to future DMs or DDs. So each month I pick at least one RFS or something similar and try to make the package fit for upload.

Of course you could also send me an email to dsom@alteholz.eu and advertise your package.

This month I have choosen shotdetect, a scene change detector in movies. It is already available in unstable so more information are available on the PTS page.

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meep in Debian

Currently there are three implementations of MPI  available in Debian. They are openmpi, mpich2, and lam4. After mpich1 had been removed, only the openmpi-version of meep remained (of course the serial version just called meep is also still available). I now closed that gap and uploaded the mpich2- and lam4 version to Unstable. As I have’t found a corresponding version of libhdf5, I had to use the serial version of that lib for these packages.

Further a package depending on mpi-default is now available. So you can either choose a version of meep linked to a specific MPI lib or just use the version that the mpi-default-maintainer thinks is the best version of a given architecture.

This is my first post that was written mainly on a smartphone. I guess I really need to feel boring before I do this again :-).

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DOPOM: ent – pseudorandom number sequence test program

This is my first DOPOM (Debian Orphaned Package Of the Month) package.  I am trying to find an orphaned package every month and take over the responsibilty for it.

As I recently got some Entropy Keys from Simtec Electroniscs to muck around, this package very well fits in my future work.

So what is the entropy of Debian?

$ echo "Debian GNU/Linux"|ent
Entropy = 3.852169 bits per byte.

Optimum compression would reduce the size
of this 17 byte file by 51 percent.

Chi square distribution for 17 samples is 299.24, and randomly
would exceed this value 5.00 percent of the times.

Arithmetic mean value of data bytes is 84.1176 (127.5 = random).
Monte Carlo value for Pi is 4.000000000 (error 27.32 percent).
Serial correlation coefficient is 0.095764 (totally uncorrelated = 0.0).