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From: marvstod@comcast.net
To: "kevin mcvey" <hydroman19@hotmail.com>, discuss@linmodems.org
Subject: Re: checkout,  debian,  testing/unstable, kernel 2.4.21-xfs
Date: Mon, 21 Feb 2005 06:11:28 +0000
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Kevin,


 The bootable CDs of Knoppix releases 3.4 and 3.6 have boot kernels 2.4.26 and 2.4.27
 These CDs are currently Hostile to winmodem installations for at least 3 reasons.
 1) The kernels were compiled with gcc-2.95.  While there is provided a /usr/bin/gcc-2.95  
 the default ggc found by compilers is set as:      
    /usr/bin/gcc --> /usr/bin/gcc-3.3
 Thus with casual usage of many winmodem driver packages,
 the drivers will be compiled with gcc-3.3 . Such mismatches between
 a kernel and driver can cause a system CRASH. 
 Thus special effort is required to insure that driver compiles utilize the gcc-2.95
 2) Winmodem packages typically try to write drivers to /lib/modules/ 
 and installation files to /usr/sbin/ folders.
 But these folders are positioned on the ReadOnly CD, and the writes will fail;
 3) Since compiled drivers cannot be placed in /lib/modules/, 
 they are not perceived by a dependencies reading:
    depmod -a
 which would enable simple driver loading on demand or with a single:
    modprobe Last_Modem_Driver
 A Bug Report/offer to help Knoppix with these problems has been filed.

If you can provide a download site for th4 2.4.21-xfs kernel-headers
I'll prepare drivers for you.

MarvS
ltmodem co-maintainer


> Alright,
> 
> I am trying out a knoppix distro on a compaq armada1500c. I had used redhat 
> 9 previously and downloaded the lt modem driver and the modem worked fine. I 
> downloaded what I thought was the correct sourcefor the knoppix, 8.31, 
> compiled it, and everything went great until the install. I am not sure what 
> the conflict is; it says IRQ/IO maybe and the lt_serial will not install.  I 
> checked lsmod, and sure enough the lt_modem and the lt_serial were not 
> installed. The checkout.txt gave me these lines:
> 
> 
> UNAME_A=linux knoppix 2.4.21-xfs #5 SMP i686
> GNU/Linux
> VERS=
> 
> start modules section
> MODULES_AT=/lib/modules/2.4.21-xfs/extra
> rw-r--r-- 1 root root 557852 lt_modem.o
> rw-r--r-- 1 root root 557852 lt_modem.o~
> rw-r--r-- 1 root root 557852 lt_serial.o
> rw-r--r-- 1 root root 557852 lt_serial.o~
> SITE_D=/lib/modules/2.4.21-xfs/extra/lt_modem.o
> SITE_D=/lib/modules/2.4.21-xfs/extra/lt_serial.o
> 
> It says
> 
> laoding the lt modem 2.4.21 will taint the kernel
> it loaded with warnings
> then tried to load the lt serial.o, and the init_module said no such device, 
> and it failed
> it said the insmod lt_serial failed
> then said insmod errors are caused by incorrect module parameters including 
> IO ir IRQ
> then the process deleted lt_modem
> 
> I checked dmesg, but am not sure what is wrong still. If you know any serial 
> conflicts I can check or anything I can do, please help. Thanks.
> 
> 

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