On 2019/3/14 4:46 PM, Yihao Wu wrote: > Hi, all > > Sorry to bother you. > > lock_mtab in xfstests/src/t_mtab.c waits only for LOCK_TIMEOUT, which is 10. > After that it emits an error message. However when NFSv4 client fails to > lock a file in nfs4_retry_setlk (eg. locking conflict), it backs off for 30s > before retrying. So generic/089 frequently fails for NFSv4. > > I'm wondering if there's a workaround to this problem. My kernel version is > 4.19.24 > > Thanks, > Yihao Wu > cc nfs list