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Old 03-12-2004, 04:32 AM   #1
mwu
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Inserting and removing modules


Hi,

I'm really grasping at straws here, hoping that someone could answer my question fairly quickly.

I wrote a module (irrelevant as to what it does) and inserted it into the kernel. Worked fine, but upon running a program that used it, received a seg fault. Now I am unable to remove the module because the kernel still thinks its in use. I can't make changes to the module because I cannot insert the new one.

If anyone knows how to remove a module in a case like this, please let me know!! Thanks!

By the way, in case it's relevant information, I'm working with Red Hat v. 2.4.20.

Last edited by mwu; 03-12-2004 at 04:35 AM.
 
Old 03-12-2004, 12:44 PM   #2
pingswept
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You can't reboot because it's someone else's server or something?
 
Old 03-12-2004, 01:45 PM   #3
mossy
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lol. exactly what I was thinking. unless you have it autoloading the module then just reboot.
 
Old 03-12-2004, 04:34 PM   #4
mwu
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Sorry about that, forgot to mention that I was remotely connected via telnet. I was just wondering if there was any other way to do it than to reboot, but I guess there wasn't. (Other than renaming the module and trying again).

Thanks anyway, I fixed the problem today.
 
Old 03-13-2004, 12:31 AM   #5
mossy
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welcome, glad to see it went well.
If you ever need to reboot from remote you can -
shutdown -h now
will shut it down but then you will have to wait until it reboots [run a constant ping on it to see when it comes back up].
There are rarely times when you will have to reboot tho - you are correct there.
Usuallt the modprobe -R the.module will remove it.
 
  


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