On Tue, 2 Sep 1997, Paul Rightley wrote: > Over the weekend I tried out a new external 33.6 modem (as an upgrade to my > old > 14.4 internal). It didn't take me long, before I had it working with my > Debian > 1.3.1 box - thanks Debian. The one major problem is that - when I down/up > load > relatively large things (like most web pages) - the modem eventually hangs > (the > RX light will no longer flicker) and when I 'poff' it will not even hang up > the > line (I have to turn the modem off and on again to get it to work further). > One > thing that has changed is that my ISP has also taken this last weekend to move > half of his subnet to another town. This meant (according to him) that I > needed > to make my sub netmask 255.255.255.128 instead of 255.255.255.0. I managed to > get my netmask to be 255.255.255.128 by using 'netmask 255.255.255.128' in the > /etc/ppp.options_out file. This did not solve my problem. Does anyone out > there have any idea what I need to do? Could I have a flaky modem? I have > not > worked with a 33.6 modem before - I still have the default speed set in > /etc/ppp.options_out (38400) - does this need to change? > [It is an item in the Hungarian linux lists' FAQ, so please learn Hungarian :)] It seems that the problem is really with the IDE driver disabling interrupts while handling the hard drive. You have two options: hdparm -u 1 /dev/hd? (substitue your device here) or use irqtune, you will find a nice description of it at http://www.best.com/~cae/irqtune/
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