[mythtv-users] mythbackend hanging with busy disk

[HP-mini]

On Fri, 2016-04-08 at 13:09 +1200, HP-mini wrote:
> On Thu, 2016-04-07 at 22:50 +0200, Jonatan Lindblad wrote:
> > Den 2016-04-07 kl. 07:10, skrev HP-mini:
> > 
> > <snip>
> > 
> > > A 3rd can be due to a process consuming all RAM & then eating swap space
> > > until a kernel out-of-memory protection mechanism kills the rogue
> > > process.
> > > This can take a couple minutes to clear.
> > > Mythfrontend does this (here) when using RSS news feeds to access
> > > Gizmodo website (crash seems to be in Qt5).
> > 
> > Can you give more details on the URLs, Qt version, and if possible a backtrace?  Have you tried clearing the cache, e.g. ~/.mythtv/cache/mythfrontend-<hostname>?
> > 
> Apologies to OP for the thread hijack..
> 
> url: "http://feeds.gawker.com/gizmodo/full"
> The FE crash is in libQt5WebKit.so  version 5.1.1-1ubuntu8
> The crash occurs after some initial components of the selected RSS
> item's page are rendered.
> The cache had/has been cleared several times.

The above URL is the RSS feed which works in mythtv "News". The target
website does not (http://gizmodo.com).
I built a small test program (using libqt5webkit) that opens/displays
that URL.. works perfectly.