diff --git a/scripts/device-crash-test b/scripts/device-crash-test
index f406890519..ed9a552fa1 100755
--- a/scripts/device-crash-test
+++ b/scripts/device-crash-test
@@ -228,28 +228,28 @@ ERROR_WHITELIST = [
     {'exitcode':1, 'loglevel':logging.INFO},
 
     # KNOWN CRASHES:
-    # Known crashes will generate error messages, but won't be fatal.
-    # Those entries must be removed once we fix the crashes.
-    {'exitcode':-6, 'log':r"Device 'serial0' is in use", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"qemu_net_client_setup: Assertion `!peer->peer' failed", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r'RAMBlock "[\w.-]+" already registered', 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"find_ram_offset: Assertion `size != 0' failed.", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"add_cpreg_to_hashtable: code should not be reached", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"qemu_alloc_display: Assertion `surface->image != NULL' failed", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"Unexpected error in error_set_from_qdev_prop_error", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"Object .* is not an instance of type spapr-machine", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"Object .* is not an instance of type generic-pc-machine", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"Object .* is not an instance of type e500-ccsr", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'log':r"vmstate_register_with_alias_id: Assertion `!se->compat \|\| se->instance_id == 0' failed", 'loglevel':logging.ERROR},
-    {'exitcode':-6, 'device':'isa-fdc', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'device':'gus', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'device':'isa-serial', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'device':'sb16', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'device':'cs4231a', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'machine':'isapc', 'device':'.*-iommu', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'device':'mioe3680_pci', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'device':'pcm3680_pci', 'loglevel':logging.ERROR, 'expected':True},
-    {'exitcode':-11, 'device':'kvaser_pci', 'loglevel':logging.ERROR, 'expected':True},
+    # Known crashes will generate warn messages
+    # FIXME: all those crashes MUST be fixed, and all these entries MUST be removed
+    {'exitcode':-6, 'log':r"Device 'serial0' is in use", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"qemu_net_client_setup: Assertion `!peer->peer' failed", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r'RAMBlock "[\w.-]+" already registered', 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"find_ram_offset: Assertion `size != 0' failed.", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"add_cpreg_to_hashtable: code should not be reached", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"qemu_alloc_display: Assertion `surface->image != NULL' failed", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"Unexpected error in error_set_from_qdev_prop_error", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"Object .* is not an instance of type spapr-machine", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"Object .* is not an instance of type generic-pc-machine", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"Object .* is not an instance of type e500-ccsr", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'log':r"vmstate_register_with_alias_id: Assertion `!se->compat \|\| se->instance_id == 0' failed", 'loglevel':logging.WARN},
+    {'exitcode':-6, 'device':'isa-fdc', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'device':'gus', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'device':'isa-serial', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'device':'sb16', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'device':'cs4231a', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'machine':'isapc', 'device':'.*-iommu', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'device':'mioe3680_pci', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'device':'pcm3680_pci', 'loglevel':logging.WARN, 'expected':True},
+    {'exitcode':-11, 'device':'kvaser_pci', 'loglevel':logging.WARN, 'expected':True},
 
     # everything else (including SIGABRT and SIGSEGV) will be a fatal error:
     {'exitcode':None, 'fatal':True, 'loglevel':logging.FATAL},
