On Freitag, 30. Mai 2008, Tejun Heo wrote: > Hello, > > Hemmann, Volker Armin wrote: > > -AHCI+nomsi: boots fine. Works fine. But: I still can not enable ncq > > -AHCI+msi: the usual. No harddisks found, waiting for the timeouts, then > > kernel panic because of missing root. > > > > -NON-RAID/IDE+msi: works fine. No delays. No NCQ (not surprising since > > mobos handbook says that AHCI mode is required). > > -NON-RAID/IDE+nomsi: see above. > > So, sans NCQ, the only remaining issue is MSI, right? Peer Chen, please > lemme know which controllers are affected by this MSI problem and where > the problem lies. this is correct. > The controller is not reporting NCQ capability in its cap register > (flags: line contains ncq if the controller is), so NCQ is not enabled. ah, I thought all AHCI chipsets support NCQ (and the board's handbook lists it as feature) thanks for the explanation. Glück Auf, Volker -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html