My dual processor pentium III machine ran Redhat 9.0 SMP kernel (2.4 series) fine. On upgrading to FC 3, if I boot with 2.6.9 SMP kernel, mouse, sound and ethernet stops working. If I boot with 2.6.9 UP kernel everything is cool. On investigation, I found out that UP kernel sets up XT-PIC and SMP IO-APIC. With IO-APIC e.g. although driver module is loaded for RTL-8139/8139C/8139C ethernet card, but there are no interrupts received (cat /proc/interrupts shows 0 for eth0). At this point, I need to look at the code changes between 2.4 and 2.6 series regarding IO-APIC setup. Before I do that I would like to ask you guys about any known issues or for any advice ? Thanks Usman http://www.beconvinced.com -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
