Mine

kashmir ~ # cat /var/log/messages | grep segfault
Mar 3 16:52:57 kashmir factorial[23880]: segfault at 00020ef9 eip 0804ad55 esp bffb4630 error 4
Mar 3 16:52:57 kashmir factorial[23884]: segfault at 00020ef9 eip 0804ad55 esp bf9187a0 error 4
Mar 3 16:52:57 kashmir factorial[23888]: segfault at 00020b31 eip 0804ad55 esp bf9da870 error 4
Mar 3 16:52:57 kashmir factorial[23892]: segfault at 00020ef9 eip 0804ad55 esp bf93b7c0 error 4
Mar 3 16:52:57 kashmir factorial[23896]: segfault at 00020ef9 eip 0804ad55 esp bfd613e0 error 4
Mar 6 17:45:00 kashmir trac.fcgi[28237]: segfault at 0000000c eip b7f53160 esp b7857240 error 4
Mar 16 05:38:16 kashmir trac.fcgi[16546]: segfault at 0000002c eip b7ea5ae3 esp 9e1f6a80 error 4
Mar 17 11:12:29 kashmir trac.fcgi[20423]: segfault at 3bd6aede eip b7dd396d esp b28faf80 error 4
kashmir ~ # hdparm -t -T /dev/hda

/dev/hda:
Timing cached reads: 2100 MB in 2.00 seconds = 1048.66 MB/sec
Timing buffered disk reads: 10 MB in 3.03 seconds = 3.30 MB/sec