[SailfishDevel] Qt Network: "Network access is disabled" after network change

[Sebastian Wolf]

Hi Slava, hi colleagues,
 
> Slava Monich <slava.monich at jolla.com> hat am 23. April 2017 um 10:33
> geschrieben:
>
>
> Network status detection in Qt 5.6 is unreliable when the system is
> switching between wifi and mobile data. That results in
> QNetworkAccessManager sometimes thinking that network access is disabled
> when in fact the device is online. At some point I attempted to fix it
> (https://git.merproject.org/mer-core/qtbase/commit/8122f32a) however
> that only eliminated one particular scenario of failure and reduced the
> probability. But it's still happening. As I understood it's a random
> thing (race condition) triggered by two connman services changing their
> status more or less simultaneously.
>
> Jolla's Weather app also uses XmlListModel and suffers from the same issue.
>
> Nobody at Jolla is actively working on it at the moment, our resources
> are limited these days. If somebody has an idea how to fix it, feel free
> to submit a pull request against mer-5.6 branch
> (https://git.merproject.org/mer-core/qtbase/commits/mer-5.6).

thanks for the detailed insights. Completely understand that your resources are
limited. However, I have to admit that my knowledge to help to fix that as
well... :( 
 
Crossing my fingers that somebody might be able to tackle this problem.
 
Best regards, Sebastian
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