Re: [PATCH] Fix device index in gdb.rocm/addr-bp-gpu-no-deb-info.exp

[Lancelot SIX <lancelot.six@amd.com>]

On Thu, Oct 30, 2025 at 09:54:04AM +0000, Luis Machado wrote:
> On a system with a single GPU, I spotted this test failing. The environment
> variable ROCR_VISIBLE_DEVICES can be a bit misleading, as it actually expects
> a list of device id's as opposed to a literal number of devices to make
> visible.
> 
> This test sets it to 1, which is the second GPU on the system. As a result,
> systems with a single GPU will have no visible GPU's and the test will FAIL.
> 
> Set ROCR_VISIBLE_DEVICES to 0 to make use of the first GPU on the system.
> 

This looks good to me, thanks for fixing this.

Approvid-by: Lancelot Six <lancelot.six@amd.com> (AMDGPU)

Best,
Lancelot.

> ---
>  gdb/testsuite/gdb.rocm/addr-bp-gpu-no-deb-info.exp | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/gdb/testsuite/gdb.rocm/addr-bp-gpu-no-deb-info.exp b/gdb/testsuite/gdb.rocm/addr-bp-gpu-no-deb-info.exp
> index be459673dc9..2719f0d8b13 100644
> --- a/gdb/testsuite/gdb.rocm/addr-bp-gpu-no-deb-info.exp
> +++ b/gdb/testsuite/gdb.rocm/addr-bp-gpu-no-deb-info.exp
> @@ -28,9 +28,10 @@ if {[build_executable "failed to prepare" $testfile $srcfile {hip}]} {
>  
>  clean_restart $::testfile
>  
> -# We may have multiple GPUs, resulting in many possible locations. This is
> -# needed to ensure we get a single address to break on.
> -gdb_test_no_output "set environment ROCR_VISIBLE_DEVICES=1"
> +# We may have multiple GPUs, resulting in many possible locations.  This is
> +# needed to ensure we get a single address to break on, so make device 0 the
> +# only visible one.
> +gdb_test_no_output "set environment ROCR_VISIBLE_DEVICES=0"
>  
>  # Make the HIP runtime load all the GPU code objects during initialization.
>  gdb_test_no_output "set environment HIP_ENABLE_DEFERRED_LOADING=0"
> -- 
> 2.43.0