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.ben...@linaro.org> Cc: Pavel Dovgalyuk <pavel.dovga...@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); -- 2.39.2