Hi, On Tue, Mar 22, 2011 at 01:08:17AM +0800, Sepherosa Ziehau wrote: > On the latest master: > set hw.apic_io_enable=1 > > Some systems may start working with I/O APIC
So far D510MO from Intel is the only not-so-old computer around me that won't boot with I/O APIC enabled: http://www.intel.com/products/desktop/motherboards/D510MO/D510MO-overview.htm To be more precise, it boots, but ahci driver times out and the HAMMER partition cannot be detected. It doesn't respond to keyboard so I couldn't scroll back the console. If you're interested, the dmesg logs for I/O APIC enabled(NG) or disabled(OK) available on leaf as ~y0netan1/d510mo-dmesgs.tar.xz . Unfortunately the message buffer doesn't contain the error messages from ahci driver. Best Regards, YONETANI Tomokazu.