On Thu, Jan 14, 2010 at 11:09 AM, Devin Heitmueller <dheitmueller@xxxxxxxxxxxxxx> wrote: > On Thu, Jan 14, 2010 at 11:01 AM, Andreas Besse <besse@xxxxxxxxxx> wrote: >> yes if there are different drivers I already observed the behaviour that >> the ordering gets flipped after reboot. >> >> But if I assume, that there is only *one* driver that is loaded (e.g. >> budget_av) for all dvb cards in the system, how is the ordering of these >> devices determined? How does the driver "search" for available dvb cards? > > I believe your assumption is incorrect. I believe the enumeration > order is not deterministic even for multiple instances of the same > driver. It is not uncommon to hear mythtv users complain that "I have > two PVR-150 cards installed in my PC and the order sometimes get > reversed on reboot". > > Devin > > -- > Devin J. Heitmueller - Kernel Labs > http://www.kernellabs.com > -- > To unsubscribe from this list: send the line "unsubscribe linux-media" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > If you "modinfo dvb_adapter_driver_foo" you will see an "adapter_nr" module option -- you can use this to force your DVB adapter device minor ordering. Regards, Mike -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
