https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63614
dyle at dyle dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Severity|critical |minor
--- Comment #1 from dyle at dyle dot org ---
Huh. It ain't std::this_thread::get_id(), it is the assignment!
Because this
auto nThread = 1;
as first statement in the thread crashes also. o.O
$ gdb bin/modules/qkd-hardware-pickup/qkd-hardware-pickup core.1327
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Reading symbols from
bin/modules/qkd-hardware-pickup/qkd-hardware-pickup...done.
warning: core file may not match specified executable file.
[New LWP 1339]
[New LWP 1327]
[New LWP 1335]
[New LWP 1333]
[New LWP 1338]
[New LWP 1331]
warning: Could not load shared library symbols for linux-vdso.so.1.
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/home/dyle/doc/src/ait/qkd/build/bin/qkd-hardware-pickup
--debug-core-presiftin'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 qkd_hardware_pickup_alice::presifter (this=0x1405bc0) at
/home/dyle/doc/src/ait/qkd/bin/modules/qkd-hardware-pickup/qkd-hardware-pickup-alice.cpp:1199
1199 auto nThreadId = 1;
(gdb) bt
#0 qkd_hardware_pickup_alice::presifter (this=0x1405bc0) at
/home/dyle/doc/src/ait/qkd/bin/modules/qkd-hardware-pickup/qkd-hardware-pickup-alice.cpp:1199
#1 0x00007f63182425e0 in std::(anonymous
namespace)::execute_native_thread_routine (__p=<optimized out>) at
/var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libstdc++-v3/src/c++11/thread.cc:84
#2 0x00007f631849d073 in start_thread (arg=0x7f630c6f8700) at
pthread_create.c:309
#3 0x00007f63179c74ad in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb) info frame
Stack level 0, frame at 0x7f630c6f7ec0:
rip = 0x43138b in qkd_hardware_pickup_alice::presifter
(/home/dyle/doc/src/ait/qkd/bin/modules/qkd-hardware-pickup/qkd-hardware-pickup-alice.cpp:1199);
saved rip = 0x7f63182425e0
called by frame at 0x7f630c6f7ee0
source language c++.
Arglist at 0x7f630b5ccef8, args: this=0x1405bc0
Locals at 0x7f630b5ccef8, Previous frame's sp is 0x7f630c6f7ec0
Saved registers:
rbx at 0x7f630c6f7e88, rbp at 0x7f630c6f7e90, r12 at 0x7f630c6f7e98, r13 at
0x7f630c6f7ea0, r14 at 0x7f630c6f7ea8, r15 at 0x7f630c6f7eb0, rip at
0x7f630c6f7eb8
(gdb) list
/home/dyle/doc/src/ait/qkd/bin/modules/qkd-hardware-pickup/qkd-hardware-pickup-alice.cpp:1199
1194
1195 // this line SIGSEVs for unknown reasons:
1196 // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63614
1197 //
1198 // std::thread::id nThreadId = std::this_thread::get_id();
1199 auto nThreadId = 1;
1200
1201 // this method is run at start by PRESIFT_THREADS concurrent
threads
1202 if (debug_core_presifting()) {
1203 qkd::utility::debug(true) <<
So: Sorry for the noise.
But still I do not know what is happening ...
