[issue1449] AHCI panic on Intel 6321ESB AHCI

[Matthew Dillon]

:Alexander Polakov <polachok at gmail.com> added the comment:
:
:>fetch http://apollo.backplane.com/DFlyMisc/ahci12.patch
:Holy crap! Works now! http://leaf.dragonflybsd.org/~polachok/dmesg.dfly
:

    Holy crap!  That means it was an interrupt race with the 
    initialization code.  That patch makes sure that AHCI interrupts
    are not processed until all ports have gotten past the port
    initialization code.

    Ok, I'll commit it.  It took too long for me to find that bug.

					-Matt
					Matthew Dillon 
					<dillon at backplane.com>