This bug was fixed in the package qtbase-opensource-src 5.4.1+dfsg-
2ubuntu11~vivid4 in https://launchpad.net/~ci-train-ppa-
service/+archive/ubuntu/stable-phone-overlay
---------------
qtbase-opensource-src (5.4.1+dfsg-2ubuntu11~vivid4) vivid;
urgency=medium
* Lorn Potter's networking fixes:
- debian/patches/Make-sure-to-report-correct-NetworkAccessibility.patch
- debian/patches/Make-sure-networkAccessibilityChanged-is-emitted.patch
- debian/patches/Fix-hang-in-qnam-when-disconnecting.patch
- debian/patches/Make-UnknownAccessibility-not-block-requests.patch
- debian/patches/qnam-ubuntu-fix6.patch (not yet upstreamed)
(LP: #1470700) (LP: #1506015) (LP: #1507769) (LP: #1528886) (LP: #1533508)
* debian/patches/Add-an-option-to-skip-the-generic-bearer-engine.patch
- Backport to replace disable-generic-plugin-when-others-available.patch
-- Timo Jyrinki <timo-jyri...@ubuntu.com> Mon, 14 Dec 2015 12:53:41
+0000
** Changed in: qtbase-opensource-src (Ubuntu RTM)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1470700
Title:
QNetworkAccessManager hangs when in flight mode
Status in Canonical System Image:
New
Status in qtbase-opensource-src package in Ubuntu:
Fix Released
Status in thumbnailer package in Ubuntu:
Triaged
Status in qtbase-opensource-src package in Ubuntu RTM:
Fix Released
Bug description:
Testing the fix:
- Update rc-proposed (vivid) to citrain device-upgrade 32 0000
- Optional: If you want to test using the 'generic' bearer plugin instead of
the Network Manager bearer, either do not upgrade ubuntu-touch-session or move
away the file /etc/profile.d/qt_networkmanager_bearer.sh
- Reboot
---
When my phone is in flight mode, HTTP requests made using
QNetworkAccessManager seem to hang rather than erroring out
immediately.
From my tests, it looks like the HTTP request is blocked until the
flight mode is disabled and a network connection is reestablished.
This is contrary to the documentation, which states:
"""If the network is not accessible the network access manager will
not process any new network requests, all such requests will fail with
an error. Requests with URLs with the file:// scheme will still be
processed."""
http://doc.qt.io/qt-5/qnetworkaccessmanager.html#networkAccessible-
prop
By running strace on my test program, it doesn't even look like it
attempts to open a TCP connection when blocked in flight mode.
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