I know its been discussed previously on list, but has there been any progress to the timer issue on centos 5.4 32 bit Linux pum2 2.6.18-164.el5 #1 SMP Thu Sep 3 03:33:56 EDT 2009 i686 i686 i386 GNU/Linux [root@pum2 ~]# grep 1000 /boot/config-2.6.18-164.el5 CONFIG_HZ_1000=y CONFIG_HZ=1000 i used a basic timer testing utility to confirm what we're actually getting [root@pum2 ~]# ./timerchk kernel timer interrupt frequency is approx. 1002 Hz however, fs complains ... 2010-05-18 06:17:24.711360 [CONSOLE] switch_time.c:1032 Calibrating timer, please wait... 2010-05-18 06:17:24.861063 [CONSOLE] switch_time.c:223 Test: 1000 Average: 2992 Step: 50 2010-05-18 06:17:24.861097 [WARNING] switch_time.c:227 Abnormally large timer gap 1992 detected! Do you have your kernel timer frequency set to lower than 1,000Hz? You may experience audio problems. any recommendations, other than drop to 5.3? which is not doable as the box is a 5k km away ... -- wasim h. baig | principal consultant | convergence pk | +92 30 0850 8070 | peace be upon you ...