Date: Thu, 4 Oct 2018 11:39:21 +0300 From: Gleb Popov <6yearold@gmail.com> To: Konstantin Belousov <kostikbel@gmail.com> Cc: freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Re: Strange hang when calling signal() Message-ID: <CALH631k8hppSiybr7khiPnXxqY_zea2JYSThZ7a9iC=9czjTGA@mail.gmail.com> In-Reply-To: <20181004082137.GC5335@kib.kiev.ua> References: <CALH631mtb1Z-4v4%2BUuzCx0tX0Zt5LfoQR9%2Biags-nL7MRUhGLA@mail.gmail.com> <20180824185328.GE2340@kib.kiev.ua> <4e555da7-9384-0f22-3ef9-8b3661a48529@vangyzen.net> <20180824192315.GF2340@kib.kiev.ua> <CALH631=cvzzV96mqVZZKPQbz1LGRX%2Bjna3VDwgmA5wGeBxBtxQ@mail.gmail.com> <20181003213408.GV5335@kib.kiev.ua> <CALH631mes3qL5aQexAJHtb_dMOgw8tOgXkBM_YGXbBHmGqQqbQ@mail.gmail.com> <20181004082137.GC5335@kib.kiev.ua>
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On Thu, Oct 4, 2018 at 11:21 AM Konstantin Belousov <kostikbel@gmail.com> wrote: > On Thu, Oct 04, 2018 at 10:56:41AM +0300, Gleb Popov wrote: > > On Thu, Oct 4, 2018 at 12:34 AM Konstantin Belousov <kostikbel@gmail.com > > > > wrote: > > > > > On Wed, Oct 03, 2018 at 03:18:12PM +0300, Gleb Popov wrote: > > > > I failed to extract a reproducing testcase from that test. The > extracted > > > > code works fine, so either I missed something, or some hidden > conditions > > > > must be fulfilled for the bug to appear. > > > > > > > > Maybe I can try to dive into libc myself? Can you give me some > guidance? > > > Or > > > > maybe you just build kdevelop yourself? It is a matter of handful of > > > > commands. > > > > > > Can you provide me the minimal self-contained set of binaries and > shared > > > libraries and the instruction to reproduce the issue ? > > > > > > > Pull in all needed depndencies > > # pkg install kdevelop gmake cmake git > > > > Get KDevelop sources > > # git clone git://anongit.kde.org/kdevelop.git > > > > # Build the test executable > > # mkdir kdevelop/build > > # cd kdevelop/build > > # cmake .. > > # gmake -j4 test_qthelpplugin > > > > Run the test executable and see that it hangs > > # ./plugins/qthelp/tests/test_qthelpplugin testDefaultValue > This is exactly the opposite of 'minimal'. Provide me the tarball which > have just the binary and non-base shared libs needed to reproduce. > > I am not going to install kde on my crash boxes. > Ok, can do that, but # ldd ./plugins/qthelp/tests/test_qthelpplugin | wc -l gives 286. Would that suit you?
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