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-rw-r--r--migration/ram.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/migration/ram.c b/migration/ram.c
index 8deb849..44d7073 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -3074,12 +3074,14 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
int ret, max_hg_page_size;
if (compress_threads_save_setup()) {
+ error_report("%s: failed to start compress threads", __func__);
return -1;
}
/* migration has already setup the bitmap, reuse it. */
if (!migration_in_colo_state()) {
if (ram_init_all(rsp) != 0) {
+ error_report("%s: failed to setup RAM for migration", __func__);
compress_threads_save_cleanup();
return -1;
}
@@ -3116,12 +3118,14 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
ret = rdma_registration_start(f, RAM_CONTROL_SETUP);
if (ret < 0) {
+ error_report("%s: failed to start RDMA registration", __func__);
qemu_file_set_error(f, ret);
return ret;
}
ret = rdma_registration_stop(f, RAM_CONTROL_SETUP);
if (ret < 0) {
+ error_report("%s: failed to stop RDMA registration", __func__);
qemu_file_set_error(f, ret);
return ret;
}
@@ -3138,6 +3142,7 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
ret = multifd_send_sync_main();
bql_lock();
if (ret < 0) {
+ error_report("%s: multifd synchronization failed", __func__);
return ret;
}
@@ -3147,7 +3152,11 @@ static int ram_save_setup(QEMUFile *f, void *opaque)
}
qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
- return qemu_fflush(f);
+ ret = qemu_fflush(f);
+ if (ret < 0) {
+ error_report("%s failed : %s", __func__, strerror(-ret));
+ }
+ return ret;
}
static void ram_save_file_bmap(QEMUFile *f)