diff --git a/src/kernel/core/disk_device_manager/KDiskDeviceJobQueue.cpp b/src/kernel/core/disk_device_manager/KDiskDeviceJobQueue.cpp
index da810f40f2..a3745fbeea 100644
--- a/src/kernel/core/disk_device_manager/KDiskDeviceJobQueue.cpp
+++ b/src/kernel/core/disk_device_manager/KDiskDeviceJobQueue.cpp
@@ -324,6 +324,8 @@ KDiskDeviceJobQueue::_ThreadLoop()
 			manager->UpdateJobStatus(activeJob, B_DISK_DEVICE_JOB_SUCCEEDED,
 									 true);
 		} else {
+			DBG(OUT("job failed: %s\n", strerror(error)));
+			DBG(OUT("   message: %s\n", activeJob->ErrorMessage()));
 			// job failed: this and all succeeding jobs will be marked failed
 			failed = true;
 			break;