Some modification to xrun and i/o error handling.

BUG=chrome-os-partner:7965
TEST=None

Change-Id: I4f141c0210511db6535571591d022e5494021dc7
Reviewed-on: https://gerrit.chromium.org/gerrit/15662
Reviewed-by: Chun-Ta Lin <itspeter@chromium.org>
Reviewed-by: Tai-Hsu Lin <sheckylin@chromium.org>
Tested-by: Hsinyu Chao <hychao@chromium.org>
1 file changed