On Tuesday 27 April 2010, cahit Eyigünlü wrote: > I saw memtest support only 4gb ram but i have 8gb ; Huh? I've run memtest86 on 72G machines it uses slow PAE but gets the job done. ... > this is the error : > > BUG: unable to handle kernel paging request at ffffffffffffffe5 > IP: [<ffffffff802a97ce>] fput+0x0/0x12 > PGD 203067 PUD 204067 PMD 0 > Oops: 0002 [#1] SMP > last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map > CPU 1 > Modules linked in: ipt_REDIRECT xt_owner xt_conntrack iptable_mangle ... > Pid: 4243, comm: tar Not tainted 2.6.30 #1 ESPRIMO P5925 2.6.30 is not quite a CentOS kernel (OT warning..) what are you running exactly? /Peter -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: This is a digitally signed message part. URL: <http://lists.centos.org/pipermail/centos/attachments/20100428/c574f2fc/attachment-0005.sig>