StacktraceTop: __libc_message (do_abort=do_abort@entry=1, fmt=fmt@entry=0x7fc36e58d7a0 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/posix/libc_fatal.c:175 malloc_printerr (ptr=<optimized out>, str=0x7fc36e58d968 "double free or corruption (fasttop)", action=1) at malloc.c:4996 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840 driUnbindContext (pcp=0x7fc2e15d60c0) at ../../../../../../../src/mesa/drivers/dri/common/dri_util.c:589 MakeContextCurrent (dpy=0x7fc2e368ebf0, draw=69206020, read=69206020, gc_user=0x7fc2e368e790) at ../../../../src/glx/glxcurrent.c:229
StacktraceTop: do_abort@ entry=1, fmt=fmt@ entry=0x7fc36e5 8d7a0 "*** Error in `%s': %s: 0x%s ***\n") at ../sysdeps/ posix/libc_ fatal.c: 175 60c0) at ../../. ./../.. /../../ src/mesa/ drivers/ dri/common/ dri_util. c:589 ebf0, draw=69206020, read=69206020, gc_user= 0x7fc2e368e790) at ../../. ./../src/ glx/glxcurrent. c:229
__libc_message (do_abort=
malloc_printerr (ptr=<optimized out>, str=0x7fc36e58d968 "double free or corruption (fasttop)", action=1) at malloc.c:4996
_int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at malloc.c:3840
driUnbindContext (pcp=0x7fc2e15d
MakeContextCurrent (dpy=0x7fc2e368