On Thu, Jun 4, 2009 at 2:28 PM, Johannes Hofmann <[email protected]> wrote: > Sepherosa Ziehau <[email protected]> wrote: >>> >>> Just noticed that even with revision >>> 7e7d17cb48838b48389fb990950f2959b9635e63 >>> I still can't mount the root disk iff I load usb modules (usb, ehci, >>> umass) during boot via /boot/loader.conf - which I normally don't to >>> allow CPU to enter C3 state. >> >> You box is UP, so only i8254 is used. C3 does not affect the i8254 >> interrupt timer. > > Right, but usb modules prevent the CPU from entering C3 generally > (As far as I know it's a bus mastering DMA thing). > >> >>> >>> So maybe this is just some sort of timing problem? >>> Is anyone else seeing this? I guess thinkpads are quite common here. >> >> This looks very strange, could you give me the bootverbose dmesgs: >> w/ ACPI, w/o usb modules > > http://leaf.dragonflybsd.org/~hofmann/acpi_nousb.dmesg > >> w/o ACPI, w/ usb modules > > http://leaf.dragonflybsd.org/~hofmann/noacpi_usb.dmesg > >> I think using these two combinition, your box is booting?
Is ad0 detected w/ ACPI and w/ usb modules? Best Regards, sephe -- Live Free or Die
