Hi! On Tue, 23 May 2017 12:41:05 +0200, Jakub Jelinek <ja...@redhat.com> wrote: > On Mon, May 22, 2017 at 02:57:24PM +0200, Thomas Schwinge wrote: > > libgomp nvptx plugin: Debugging output for cuInit failure
> Ok. Thanks. As posted, just with better ChangeLog committed to trunk in r248400: commit d5f081f8cfa23d74aec1cea4dd4ae3061c4498c8 Author: tschwinge <tschwinge@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Wed May 24 06:59:05 2017 +0000 libgomp nvptx plugin: Debugging output when disabling nvptx offloading libgomp/ * plugin/plugin-nvptx.c (nvptx_get_num_devices): Debugging output when disabling nvptx offloading. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@248400 138bc75d-0d04-0410-961f-82ee72b054a4 --- libgomp/ChangeLog | 5 +++++ libgomp/plugin/plugin-nvptx.c | 12 ++++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git libgomp/ChangeLog libgomp/ChangeLog index 32f8bf1..14e95ef 100644 --- libgomp/ChangeLog +++ libgomp/ChangeLog @@ -1,3 +1,8 @@ +2017-05-24 Thomas Schwinge <tho...@codesourcery.com> + + * plugin/plugin-nvptx.c (nvptx_get_num_devices): Debugging output + when disabling nvptx offloading. + 2017-05-23 Thomas Schwinge <tho...@codesourcery.com> * testsuite/libgomp.oacc-c-c++-common/kernels-loop-2.c: Update. diff --git libgomp/plugin/plugin-nvptx.c libgomp/plugin/plugin-nvptx.c index 3ef48dd..0e1b3e2 100644 --- libgomp/plugin/plugin-nvptx.c +++ libgomp/plugin/plugin-nvptx.c @@ -838,7 +838,11 @@ nvptx_get_num_devices (void) /* PR libgomp/65099: Currently, we only support offloading in 64-bit configurations. */ if (sizeof (void *) != 8) - return 0; + { + GOMP_PLUGIN_debug (0, "Disabling nvptx offloading;" + " only 64-bit configurations are supported\n"); + return 0; + } /* This function will be called before the plugin has been initialized in order to enumerate available devices, but CUDA API routines can't be used @@ -852,7 +856,11 @@ nvptx_get_num_devices (void) /* This is not an error: e.g. we may have CUDA libraries installed but no devices available. */ if (r != CUDA_SUCCESS) - return 0; + { + GOMP_PLUGIN_debug (0, "Disabling nvptx offloading; cuInit: %s\n", + cuda_error (r)); + return 0; + } } CUDA_CALL_ERET (-1, cuDeviceGetCount, &n); Committed to gomp-4_0-branch in r248401: commit e526e3776c9995e60927d8d75e9a2b2120702f57 Author: tschwinge <tschwinge@138bc75d-0d04-0410-961f-82ee72b054a4> Date: Wed May 24 07:00:04 2017 +0000 libgomp nvptx plugin: Debugging output when disabling nvptx offloading libgomp/ * plugin/plugin-nvptx.c (nvptx_get_num_devices): Debugging output when disabling nvptx offloading. trunk r248400 git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gomp-4_0-branch@248401 138bc75d-0d04-0410-961f-82ee72b054a4 --- libgomp/ChangeLog.gomp | 5 +++++ libgomp/plugin/plugin-nvptx.c | 12 ++++++++++-- 2 files changed, 15 insertions(+), 2 deletions(-) diff --git libgomp/ChangeLog.gomp libgomp/ChangeLog.gomp index 996c1f9..15e0c58 100644 --- libgomp/ChangeLog.gomp +++ libgomp/ChangeLog.gomp @@ -1,3 +1,8 @@ +2017-05-24 Thomas Schwinge <tho...@codesourcery.com> + + * plugin/plugin-nvptx.c (nvptx_get_num_devices): Debugging output + when disabling nvptx offloading. + 2017-05-17 Thomas Schwinge <tho...@codesourcery.com> * libgomp.texi (OpenACC Profiling Interface): Update. diff --git libgomp/plugin/plugin-nvptx.c libgomp/plugin/plugin-nvptx.c index a9d1f16..7bbaca5 100644 --- libgomp/plugin/plugin-nvptx.c +++ libgomp/plugin/plugin-nvptx.c @@ -807,7 +807,11 @@ nvptx_get_num_devices (void) /* PR libgomp/65099: Currently, we only support offloading in 64-bit configurations. */ if (sizeof (void *) != 8) - return 0; + { + GOMP_PLUGIN_debug (0, "Disabling nvptx offloading;" + " only 64-bit configurations are supported\n"); + return 0; + } /* This function will be called before the plugin has been initialized in order to enumerate available devices, but CUDA API routines can't be used @@ -819,7 +823,11 @@ nvptx_get_num_devices (void) /* This is not an error: e.g. we may have CUDA libraries installed but no devices available. */ if (r != CUDA_SUCCESS) - return 0; + { + GOMP_PLUGIN_debug (0, "Disabling nvptx offloading; cuInit: %s\n", + cuda_error (r)); + return 0; + } } CUDA_CALL_ERET (-1, cuDeviceGetCount, &n); Grüße Thomas