We have HP DL360 G8 and trying to install CentOS7 and getting this error before it start installing package so installation is never getting complete.. it just going on and on with this error, we have tried to upgrade firmware of HPVSA RAID controller too[  175.185716] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [hpvsa/4:958][  203.189583] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [hpvsa/4:958][  231.192973] NMI watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [hpvsa/4:958]Update - CentOS 5/6 working fine, only C7 has issue. 
NMI watchdog: BUG: soft lockup
linux;drivers;raid;hp