Hi Tejun, On Wednesday 18 August 2010, 08:12:24 Tejun Heo wrote: > On 08/17/2010 11:28 PM, Stephan Diestelhorst wrote: > > 2010/8/17 Tejun Heo <htejun@xxxxxxxxx>: > >> On 08/17/2010 12:51 PM, Stephan Diestelhorst wrote: > >>> I've also confirmed that the "XXX ahci_set_ipm" is present in > >>> libahci.ko. So either I've screwed up badly when compiling the initrd, > >>> the code is not executed or the printout does not make it into any > >>> logfile anymore. > >> > >> Yeah, that's weird. You're enabling IPM, right? > > You can check whether it's enabled by > > $ cat /sys/class/scsi_host/host0/link_power_management_policy > > If it says max_performance, it's disabled. If it says anything else, > it's enabled. It says "max_performance", I have not touched anyhting. So it has been like that all the time. Would this explain why your patch did not show the debug printout? Thanks, Stephan -- Stephan Diestelhorst, AMD Operating System Research Center stephan.diestelhorst@xxxxxxx, Tel. +49 (0)351 448 356 719 Advanced Micro Devices GmbH Einsteinring 24 85609 Dornach General Managers: Alberto Bozzo, Andrew Bowd Registration: Dornach, Landkr. Muenchen; Registerger. Muenchen, HRB Nr. 43632 -- 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
