Attaching gdb to a running process gives the same result as I got from
the core dump.
(gdb) cont
Continuing.
[Thread 0x7f2877cfe700 (LWP 10805) exited]
[Thread 0x7f2876cfc700 (LWP 10816) exited]
[Thread 0x7f28774fd700 (LWP 10815) exited]
[Thread 0x7f2c015ff700 (LWP 10735) exited]
[Thread 0x7f2c09883700 (LWP 10721) exited]
[Thread 0x7f2c00c2a700 (LWP 10739) exited]
[Thread 0x7f28764fb700 (LWP 10817) exited]
[New Thread 0x7f28764fb700 (LWP 11470)]
[New Thread 0x7f2c00c2a700 (LWP 11473)]
[New Thread 0x7f2c09883700 (LWP 11474)]
[New Thread 0x7f2c015ff700 (LWP 11475)]
[New Thread 0x7f2877fff700 (LWP 11644)]
[New Thread 0x7f28777fe700 (LWP 11665)]
[New Thread 0x7f2876ffd700 (LWP 11836)]
[New Thread 0x7f2875cfa700 (LWP 11837)]
[New Thread 0x7f28754f9700 (LWP 11858)]
[New Thread 0x7f2874cf8700 (LWP 11923)]
[New Thread 0x7f2853fff700 (LWP 11924)]
[New Thread 0x7f28537fe700 (LWP 11925)]
[New Thread 0x7f2852ffd700 (LWP 11926)]
[New Thread 0x7f28527fc700 (LWP 11927)]
[New Thread 0x7f2851ffb700 (LWP 11928)]
[New Thread 0x7f28517fa700 (LWP 11929)]
[New Thread 0x7f2850ff9700 (LWP 11930)]
[Thread 0x7f2c00c2a700 (LWP 11473) exited]
[Thread 0x7f28754f9700 (LWP 11858) exited]
[Thread 0x7f2853fff700 (LWP 11924) exited]
[Thread 0x7f2875cfa700 (LWP 11837) exited]
[Thread 0x7f2877fff700 (LWP 11644) exited]
[Thread 0x7f2874cf8700 (LWP 11923) exited]
[Thread 0x7f28537fe700 (LWP 11925) exited]
[Thread 0x7f2c09883700 (LWP 11474) exited]
[Thread 0x7f2c015ff700 (LWP 11475) exited]
[Thread 0x7f28777fe700 (LWP 11665) exited]
[Thread 0x7f2851ffb700 (LWP 11928) exited]
[Thread 0x7f2876ffd700 (LWP 11836) exited]
[Thread 0x7f2852ffd700 (LWP 11926) exited]
[Thread 0x7f28517fa700 (LWP 11929) exited]
[Thread 0x7f28527fc700 (LWP 11927) exited]
[Thread 0x7f2850ff9700 (LWP 11930) exited]
[New Thread 0x7f2850ff9700 (LWP 12898)]
[New Thread 0x7f28527fc700 (LWP 12955)]
[New Thread 0x7f28517fa700 (LWP 13039)]
[New Thread 0x7f2852ffd700 (LWP 13046)]
[New Thread 0x7f2c09883700 (LWP 13047)]
[New Thread 0x7f2c015ff700 (LWP 13048)]
Program received signal SIGSEGV, Segmentation fault.
0x000055cc8dd2fd20 in ?? ()
(gdb) bt
#0 0x000055cc8dd2fd20 in ?? ()
#1 0x000055cc8dd3096a in ?? ()
#2 0x000055cc8dd31c92 in ?? ()
#3 0x000055cc8dd2c828 in ?? ()
#4 0x000055cc8dcdce77 in ?? ()
#5 0x000055cc8db84bd6 in ?? ()
#6 0x00007f2c12f5ff45 in __libc_start_main (main=0x55cc8db83640, argc=17,
argv=0x7fff83a85d28, init=<optimised out>, fini=<optimised out>,
rtld_fini=<optimised out>, stack_end=0x7fff83a85d18) at libc-start.c:287
#7 0x000055cc8db8912c in ?? ()
(gdb)
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https://bugs.launchpad.net/bugs/1630226
Title:
segfault in qemu-system-x86_64
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