Re: [PATCH 1/2] gdb/testsuite: add simavr.exp board

[Pedro Alves <palves@redhat.com>]

On 5/24/20 3:20 PM, Simon Marchi via Gdb-patches wrote:
> After sending "target remote :1234" to GDB, I tried using gdb_expect to
> wait for the "Remote debugging using :1234" message and the GDB prompt.
> That didn't work well, but gdb_test_multiple does work.  For example,
> with test gdb.base/break.exp, it blocks at some point when using
> 
>     gdb_expect {
> 	-re "Remote debugging using :1234.*$gdb_prompt " {}
>     }
> 
> If anybody knows how to make gdb_expect work here, I could use it
> (although gdb_test_multiple works fine, except it will probably generate
> a FAIL in cause of failure).

Strange.  gdb_test_multiple is just a wrapper around gdb_expect, so it
should work.  Maybe it's sporadic, and gdb_test_multiple only seems
to work better?  I'd look at RUNTESTFLAGS="-v -v -v --debug" output
to figure out why the pattern didn't match, causing the hang.

Thanks,
Pedro Alves