Looks like a glibc 2.21 bug with TLS constructors, see: https://bugzilla.redhat.com/show_bug.cgi?id=1223055
Seems to be fixed upstream by these commits: https://github.com/bminor/glibc/commit/e400f3ccd36fe91d432cc7d45b4ccc799dece763 https://github.com/bminor/glibc/commit/90b37cac8b5a3e1548c29d91e3e0bff1014d2e5c ** Bug watch added: Red Hat Bugzilla #1223055 https://bugzilla.redhat.com/show_bug.cgi?id=1223055 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to ust in Ubuntu. https://bugs.launchpad.net/bugs/1618201 Title: deadlock in lttng_ust_init Status in QtMir: Triaged Status in lttng-ust package in Ubuntu: New Status in qtmir package in Ubuntu: Triaged Status in ust package in Ubuntu: New Bug description: Happens when running tests for https://code.launchpad.net/~dandrader/qtmir/content-hub- clipboard/+merge/303863 by CI. This is the backtrace of where it gets stuck: #0 0xffffffff in __pthread_mutex_unlock_usercnt (mutex=0xb6fff514 <_rtld_global+1220>, decr=1) at pthread_mutex_unlock.c:51 #1 0xffffffff in tls_get_addr_tail (ti=0xb637021c, dtv=0xb3757008, the_map=<optimized out>) at dl-tls.c:778 #2 0xffffffff in lttng_ust_init () at /usr/include/urcu/static/urcu-bp.h:158 #3 0xffffffff in lttng_ust_init () at lttng-ust-comm.c:369 #4 0xffffffff in lttng_ust_init () at lttng-ust-comm.c:1481 #5 0xffffffff in call_init (l=<optimized out>, argc=argc@entry=1, argv=argv@entry=0xbefff3d4, env=env@entry=0xbefff3dc) at dl-init.c:72 #6 0xffffffff in _dl_init (env=<optimized out>, argv=<optimized out>, argc=<optimized out>, l=<optimized out>) at dl-init.c:30 #7 0xffffffff in _dl_init (main_map=0xb6fff958, argc=1, argv=0xbefff3d4, env=0xbefff3dc) at dl-init.c:120 #8 0xffffffff in _dl_start_user () at /lib/ld-linux-armhf.so.3 It gets stuck during initialization, more specifically, inside lttng_fixup_urcu_bp_tls() To manage notifications about this bug go to: https://bugs.launchpad.net/qtmir/+bug/1618201/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
