[Discuss-gnuradio] SIGBUS in testing gr_vmcircbuf_mmap_shm_open_factory

[Mark S Petrovic]

fyi

Offered as a data point for this platform, for contemporary users or
those of posterity...

Building from CVS for this platform

Linux cq 2.6.11-gentoo-r11 #3 Sat Jun 18 20:11:08 PDT 2005 i686 Pentium III 
(Coppermine) GenuineIntel GNU/Linux
gcc             v3.4.4

runs an equivalent test 

$ gdb .libs/lt-test_vmcircbuf
$ run -v
[...]
Testing gr_vmcircbuf_mmap_shm_open_factory...
[...]

which results in

[...]
... test_a_bunch_64x16KB[63]  OK

Program received signal SIGBUS, Bus error.
[Switching to Thread 16384 (LWP 2655)]
0xb7f71c53 in test_a_bunch (factory=0x804a3a0, n=32, size=4194304, 
start_ptr=0xbffff5bc, verbose=true)
    at gr_vmcircbuf.cc:125
125         p[i] = counter + i;


The other "factory" tests (gr_vmcircbuf_sysv_shm_factory,
gr_vmcircbuf_mmap_tmpfile_factory) in the suite pass.

Mark