Date: Sat, 25 Jun 2016 17:29:15 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Ivan Klymenko <fidaj@ukr.net> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r302194 - head/lib/libthr/thread Message-ID: <20160625142915.GX38613@kib.kiev.ua> In-Reply-To: <20160625171800.50a43746@nonamehost.local> References: <201606251130.u5PBUeGC001988@repo.freebsd.org> <20160625164403.70684b3b@nonamehost.local> <20160625135508.GV38613@kib.kiev.ua> <20160625170406.77c79b2e@nonamehost.local> <20160625140529.GW38613@kib.kiev.ua> <20160625171800.50a43746@nonamehost.local>
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On Sat, Jun 25, 2016 at 05:18:00PM +0300, Ivan Klymenko wrote: > On Sat, 25 Jun 2016 17:05:29 +0300 > Konstantin Belousov <kostikbel@gmail.com> wrote: > > > On Sat, Jun 25, 2016 at 05:04:06PM +0300, Ivan Klymenko wrote: > > > On Sat, 25 Jun 2016 16:55:09 +0300 > > > Konstantin Belousov <kostikbel@gmail.com> wrote: > > > > > > > On Sat, Jun 25, 2016 at 04:44:03PM +0300, Ivan Klymenko wrote: > > > > > On Sat, 25 Jun 2016 11:30:40 +0000 (UTC) > > > > > Konstantin Belousov <kib@FreeBSD.org> wrote: > > > > > > > > > > > Author: kib > > > > > > Date: Sat Jun 25 11:30:40 2016 > > > > > > New Revision: 302194 > > > > > > URL: https://svnweb.freebsd.org/changeset/base/302194 > > > > > > > > > > > > Log: > > > > > > For pthread_mutex_trylock() call on owned error-check or > > > > > > non-portable adaptive mutex, return EDEADLK as required by > > > > > > POSIX. The pthread_mutex_lock() is already compliant. > > > > > > > > > > > > Tested by: Guy Yur <guyyur@gmail.com> > > > > > > Sponsored by: The FreeBSD Foundation > > > > > > MFC after: 2 weeks > > > > > > Approved by: re (gjb) > > > > > > > > > > > > Modified: > > > > > > head/lib/libthr/thread/thr_mutex.c > > > > > > > > > > > > Modified: head/lib/libthr/thread/thr_mutex.c > > > > > > ============================================================================== > > > > > > --- head/lib/libthr/thread/thr_mutex.c Sat Jun 25 > > > > > > 10:08:04 2016 (r302193) +++ > > > > > > head/lib/libthr/thread/thr_mutex.c Sat Jun 25 11:30:40 > > > > > > 2016 (r302194) @@ -850,9 +850,12 @@ > > > > > > mutex_self_trylock(struct pthread_mutex switch > > > > > > (PMUTEX_TYPE(m->m_flags)) { case PTHREAD_MUTEX_ERRORCHECK: > > > > > > - case PTHREAD_MUTEX_NORMAL: > > > > > > case PTHREAD_MUTEX_ADAPTIVE_NP: > > > > > > - ret = EBUSY; > > > > > > + ret = EDEADLK; > > > > > > + break; > > > > > > + > > > > > > + case PTHREAD_MUTEX_NORMAL: > > > > > > + ret = EBUSY; > > > > > > break; > > > > > > > > > > > > case PTHREAD_MUTEX_RECURSIVE: > > > > > > > > > > Update for r302191 to r302196 console-kit-daemon: > > > > > pid 1496 (console-kit-daemon), uid 0: exited on signal 6 > > > > > pid 1581 (console-kit-daemon), uid 0: exited on signal 6 > > > > > pid 5954 (console-kit-daemon), uid 0: exited on signal 6 > > > > > pid 6010 (console-kit-daemon), uid 0: exited on signal 6 > > > > > pid 6016 (console-kit-daemon), uid 0: exited on signal 6 > > > > > > > > > > Xorg session after authorization not started - black screen. > > > > > > > > Why did you replied to r302194 with this information ? Does > > > > reverting r302194 (and only this revision) restores console-kit > > > > functionality ? > > > > > > I do not know which one commits it breaks r302194 or next 302195. > > > I returned to r302191 for restores console-kit functionality. > > Can you test, please ? Use r302195 kernel and previous libthr. > > Kernel r302195, world r302191 - works fine - the problem can not > reproduce. Thank you. Could you get backtrace from the console-kit-daemon ? Only rebuild libthr: cd src/lib/libthr && make DEBUG_FLAGS=-g WITHOUT_TESTS=yes all install then gather coredump and load it in gdb. Then you can revert the commit and rebuild working libthr.
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