Only in libdrm-2.4.97-x/: debugfiles.list
Only in libdrm-2.4.97-x/: debuglinks.list
Only in libdrm-2.4.97-x/: debugsourcefiles.list
Only in libdrm-2.4.97-x/: debugsources.list
Only in libdrm-2.4.97-x/: elfbins.list
Only in libdrm-2.4.97-x/: tags
Only in libdrm-2.4.97-x/: x86_64-redhat-linux-gnu
diff -dup -rup libdrm-2.4.97/xf86drmMode.c libdrm-2.4.97-x/xf86drmMode.c
--- libdrm-2.4.97/xf86drmMode.c	2019-01-22 17:32:41.000000000 +0100
+++ libdrm-2.4.97-x/xf86drmMode.c	2019-02-18 22:09:22.531041325 +0100
@@ -1364,6 +1364,10 @@ static int sort_req_list(const void *mis
 		return second->property_id - first->property_id;
 }
 
+static void dump(FILE *f,const uint8_t *data,size_t len) {
+  while (len--)
+    fprintf(f,"%02x%c",*data++,(len?' ':'\n'));
+}
 drm_public int drmModeAtomicCommit(int fd, drmModeAtomicReqPtr req,
                                    uint32_t flags, void *user_data)
 {
@@ -1457,7 +1461,23 @@ drm_public int drmModeAtomicCommit(int f
 	atomic.prop_values_ptr = VOID2U64(prop_values_ptr);
 	atomic.user_data = VOID2U64(user_data);
 
+{
+static int drmidx=0;
+char *fn;
+FILE *f;
+if (asprintf(&fn,"/tmp/libdrm%03d.dump",drmidx++)) {}
+f=fopen(fn,"w");
+fprintf(f,"atomic=%p ",&atomic); dump(f,(const void *)&atomic,sizeof(atomic));
+fprintf(f,"objs_ptr=%p ",objs_ptr); dump(f,(const void *)objs_ptr,atomic.count_objs * sizeof objs_ptr[0]);
+fprintf(f,"count_props_ptr=%p ",objs_ptr); dump(f,(const void *)count_props_ptr,atomic.count_objs * sizeof count_props_ptr[0]);
+fprintf(f,"props_ptr=%p ",props_ptr); dump(f,(const void *)props_ptr,sorted->cursor * sizeof props_ptr[0]);
+fprintf(f,"prop_values_ptr=%p ",prop_values_ptr); dump(f,(const void *)prop_values_ptr,sorted->cursor * sizeof prop_values_ptr[0]);
+fprintf(f,"user_data=%p\n",user_data);
+fprintf(f,"errno=%d\n",errno);
 	ret = DRM_IOCTL(fd, DRM_IOCTL_MODE_ATOMIC, &atomic);
+fprintf(f,"ret=%d,errno=%d\n",ret,errno); ret=0;
+fclose(f);
+}
 
 out:
 	drmFree(objs_ptr);