Zhang Weiwu <zhangwe...@realss.com> writes: > Hello. I come across device.hints manual which says I can set irq for > each device there. I am using 6.1.
Kind of old now. I don't know specifically of any reason that would matter, but for several reasons I wouldn't be at all surprised. > The settings I made in devices.hints never worked. e.g. > > hint.uhci.0.at="pci" > hint.uhci.0.irq="12" > > I can set whatever value for irq and it always rebooted as irq 11. > > However 'disabled="1"' works. > > That's strange, I didn't find manual where it say it work in some > condition or for some device only. "Consult individual device drivers' manual pages for available keywords and their possible values." > Is there a way to assign uhci to use an irq differently? seems it is the > cause of an interrupt storm problem I am having. I'm not really sure if uhci is set up to do that. You definitely want uhci on its own interrupt if you can, not because it necessarily generates a lot of them, but because it can spend a lot of time handling each one... Have you checked what happens if you disable your APIC? -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/ _______________________________________________ email@example.com mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "freebsd-questions-unsubscr...@freebsd.org"