Friday 16 May 2014

Re: errors.ubuntu.com and upgrade crashes

On Fri, May 16, 2014 at 03:21:36PM +0100, Matthew Paul Thomas wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> Bjoern Michaelsen wrote on 14/05/14 01:47:
> > ...
> >
> > On Tue, May 13, 2014 at 10:24:20AM +0100, Matthew Paul Thomas
> > wrote:
> >>
> >> You can. Set "Most common of these errors from" to "the date
> >> range", then enter the dates, for example 2013-10-16 to
> >> 2013-10-20. The result is not as you remember: over that period,
> >> bug 1219245 was not in the top 50 at all, whereas it was #42 for
> >> the equivalent period around the 14.04 release.
> >
> > I tried that, just for fun with the range 2014-04-13 2014-04-19 and
> > got:
> >
> > libreoffice-core all 25
> >
> > libreoffice-core 14.04 120
>
> Oh dear. I've reported that as a bug. <http://launchpad.net/bugs/1320174>
>
> > and went back from 14.04 to all and got a "the list of most common
> > errors could not be loaded" -- from that it is a/ obvious, that the
> > numbers are not absolute, but normalized in a way[1] that is making
> > them uncomparable
>
> Frequency is an absolute count. (Perhaps we should call it "Count"
> instead?) If it was being normalized in any way, it would often be
> fractional, but it never is. It seems far more likely to me that it's
> a simple algorithm bug, for example forgetting to include 14.04 and
> Utopic in "all".

It was a simple bug, although not the example one, and it is now fixed.
Thanks for reporting a bug about it.

--
Brian Murray