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I use RH 9 with KDE on a AMD athlon 1700+, 512 Mb RAM, Nvidia,....
All worked like dream until yesterday I tried to install a beta driver for my USB ADSL (Copperjet 800). The install script loaded the module and planted some files in the /etc and /var directories and probably did lots more. I couldn’t get the modem to connect but ok, the driver manual had predicted that. When I tried rebooting the whole system was agonisingly slow (booting takes app. 5 minutes)
I removed every file related to the modem (in thr rc.d and init.d folders as well). Uninstalled the ATM tools, etc… But still, the system remains really slow at booting (slow loading starts when loading the Ethernet card). Booting the KDE desktop takes forever and starting a normal application like Kwrite takes 30 to 40 secs. When it stalls, it doesn’t have abnormal disk activity, no extraordinary cpu usage, memory is normal, there’s nothing weird in the log files.
Does anybody have an idea where I can start looking? I haven’t got a clue, is it the kernel, Xfree86, KDE?
It does sound networking related. What sometimes happens is that if the networking is misconfigured, nearly every program on the system that even pretends to do networking (that's almost all X programs - X is networkable) will try to do a DNS lookup, and sit for a long time until the lookup times out before running like its supposed to. Using ifconfig, make sure your ADSL is either configured correctly or turned off, and make sure your ethernet is configured correctly, and has correct DNS information in resolv.conf