Signed-off-by: Lei Li <li...@linux.vnet.ibm.com>
---
monitor.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/monitor.c b/monitor.c
index 480f583..ab4650b 100644
--- a/monitor.c
+++ b/monitor.c
@@ -642,7 +642,13 @@ char *qmp_human_monitor_command(const char *command_line,
bool has_cpu_index,
CharDriverState mchar;
memset(&hmp, 0, sizeof(hmp));
- qemu_chr_init_mem(&mchar);
+
+ /* Since the backend of MemCharDriver convert to a circular
+ * buffer with fixed size, so should indicate the init memory
+ * size.
+ *
+ * XXX: is 4096 as init memory enough for this? */
+ qemu_chr_init_mem(&mchar, 4096);
hmp.chr = &mchar;
old_mon = cur_mon;
--
1.7.7.6
