No space left on device: mod_rewrite: could not create rewrite_log_lock

apache 启动不了，查看error_log 有大量的这样的信息：
No space left on device: mod_rewrite: could not create rewrite_log_lock
Configuration Failed

网上查了下，解决办法如下：
ipcs -s | perl -ane '/^0x00000000/ && `ipcrm -s $F[1]`'

然后重启apache