From: On Behalf Of Aaron Lehmann > I've been able to narrow it down to the Realtek Ethernet card. I can't > reproduce the problem using onboard Ethernet, whereas the Realtek card > causes trouble in any slot. However, I still don't know whether it's a > hardware or software issue, or whether it's caused directly or > indirectly by the Realtek card. I had a similar issue recently: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=223216 I recommend trying Doug Ledford's memtest script: http://people.redhat.com/dledford/memtest.html It helped me prove the issue was the hardware and not something else. ..Stu - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html