I can confirm that it is the IP Filter issue. Setting IPFilter\Enabled=false can make it start normally.
2016-08-21 23:58 GMT+08:00 Andrew Starr-Bochicchio <a.star...@gmail.com>: > On Wed, Aug 17, 2016 at 12:59 PM, Dingyuan Wang <abcdoyle...@gmail.com> wrote: >> After dist-upgrade to 3.3.6-1+b1, qbittorrent segfaults immediately on >> launch. > > Hi, > > Thanks for the detailed report. Do you have the IP Filter setting > enabled? Please check in ~/.config/qBittorrent/qBittorrent.conf for > the line: > > IPFilter\Enabled=true > > If you have it, can you try changing it to: > > IPFilter\Enabled=false > > and then try to start qBittorrent? I think this might be the issue > fixed in this upstream commit of libtorrent: > > https://github.com/arvidn/libtorrent/commit/66e5994 > > If so, we can backport it to Debian. There is some more context in > this qBittorrent upstream report: > > https://github.com/qbittorrent/qBittorrent/issues/5428 > > Thanks! > > -- Andrew Starr-Bochicchio > > Debian Developer <http://qa.debian.org/developer.php?login=asb> > Ubuntu Developer <https://launchpad.net/~andrewsomething> > PGP/GPG Key ID: 3B56E2BBD53FDCB1 -- Gumble