This is mostly a problem within avocado as serial generally isn't busy
enough to overfill pipes. However the consequences of recording a
failed write will haunt us on replay when causing the log to go out of
sync.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/2010
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
---
chardev/char.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/chardev/char.c b/chardev/char.c
index 996a024c7a..6e5b4d7345 100644
--- a/chardev/char.c
+++ b/chardev/char.c
@@ -171,7 +171,8 @@ int qemu_chr_write(Chardev *s, const uint8_t *buf, int len,
bool write_all)
return res;
}
- res = qemu_chr_write_buffer(s, buf, len, &offset, write_all);
+ res = qemu_chr_write_buffer(s, buf, len, &offset,
+ replay_mode == REPLAY_MODE_RECORD ? true :
write_all);
if (qemu_chr_replay(s) && replay_mode == REPLAY_MODE_RECORD) {
replay_char_write_event_save(res, offset);