Same error...here were my steps: 1. changed the code you mentioned 2. make uninstall 3. make clean 4. make 537 5. make install no change in behaviour. I will give the irqpoll option a shot now...thanks for your persistence! Patrick On Fri, Jan 06, 2012 at 12:06:50PM +0100, Philippe Vouters wrote: > Patrick, > > I am exploiting all informations you sent me. When your modem board > interrupts at IRQ #19, you have this line your dmesg output: > [ 5123.808126] irq 19: nobody cared (try booting with the "irqpoll" option) > I do not know whether Linux booting with the irqpoll option will > make a real difference for you. > > After you have suppressed "_bh" at the two line lines I mentioned, > rebuilt, uninstalled the old driver, reinstalled the new one with > the two code changes and finally made all the tests I suggest, it > might perhaps be worth giving the irqpoll option a try provided you > keep your Tiger modem board in the same PCI slot. > -- > Philippe Vouters (Fontainebleau/France) > URL: http://vouters.dyndns.org/