Re: rebuilding the kernel.

[Johnny Hughes <johnny@xxxxxxxxxx>]

Yahia Tachwali wrote:
> Yahia Tachwali wrote:
>
> > Thank you very much for the link.. I have built a new bootable kernel 
> > 2.6.9-67 on my machine. However I still have a problem :(
> >
> > During the installation at "make menuconfig" stage after "make 
> > oldconfig" I have added the generic HDLC package with synchronous PPP 
> > support and saved the new config then run
> >
> > rpmbuild -bb --target=`uname -m` kernel-2.6.spec 2> build-err.log | 
> > tee build-out.log.
> >
> > After reboot, I rechecked the menuconfig to make sure that the HDLC 
> > setting is there. I am not sure if this setting took effect or I have 
> > to make modules or build something else. So how would I know that the 
> > HDLC package is availalbe and built in?
> >
> > To elaborate more on the reasons behind this HDLC package, I am trying 
> > to build a device driver that asks for HDLC support. upon building the 
> > driver, I get the following warnings:
> >
> >  Building modules, stage 2.
> >  MODPOST
> > *** Warning: "unregister_hdlc_device" 
> > [/home/DS3/wanPTMC-256T3_2_0B/driver/wan256t3.ko] undefined!
> > *** Warning: "hdlc_ioctl" 
> > [/home/DS3/wanPTMC-256T3_2_0B/driver/wan256t3.ko] undefined!
> > *** Warning: "hdlc_open" 
> > [/home/DS3/wanPTMC-256T3_2_0B/driver/wan256t3.ko] undefined!
> > *** Warning: "register_hdlc_device" 
> > [/home/DS3/wanPTMC-256T3_2_0B/driver/wan256t3.ko] undefined!
> > *** Warning: "hdlc_close" 
> > [/home/DS3/wanPTMC-256T3_2_0B/driver/wan256t3.ko] undefined!
> > *** Warning: "alloc_hdlcdev" 
> > [/home/DS3/wanPTMC-256T3_2_0B/driver/wan256t3.ko] undefined!
> >
> > Therefore, I am suspecting that I need the HDLC package available. I 
> > would be extremely thankful for anybody who can help me in this 
> > problem. Am I going into the wrong direction?
> >
> >
> >
> > jancio_wodnik@xxxxx wrote:
> >
> > > Johnny Hughes pisze:
> > >
> > > > jancio_wodnik@xxxxx wrote:
> > > >
> > > > > Yahia Tachwali pisze:
> > > > >
> > > > > > Hello folks,
> > > > >
> > > > >
> > > > > Hi. It is request for it to add this in kernel for centosplus, look 
> > > > > at this: http://bugs.centos.org/view.php?id=3019
> > > > >
> > > > > > I am trying to add HDLC module support in the menuconfig. However, 
> > > > > > I am facing difficulties in rebuilding the kernel and modules. My 
> > > > > > main objective is to get the HDLC supported in kernel 2.6.9. I 
> > > > > > have a CentOS 4.4 with kernel 2.6.9.42. I need help in finding the 
> > > > > > best way to add the HDLC support whether through getting an RPM 
> > > > > > package for it or refering me to the right procedure in rebuilding 
> > > > > > the kernel.
> > > > > >
> > > > > > Thank you very much in advance for your help.
> > > > >
> > > > >
> > > > > No problem.
> > > >
> > > >
> > > >
> > > > That request was for CentOS-5, not CentOS-4 :D
> > >
> > >
> > > ? I can see: Category: [CentOS-4] kernel-centosplus My request was 
> > > exactly for centos 4 branch, but for 5 is good too. So, can i count 
> > > for You to make it posible in centos4 to support hdlc ?
> > >
> > > > HDLC was added to the CentOS-5 plus kernel for the latest version.
>
> Sorry about the top posting :(
>
> After reconfiguring the menuconfig to enable the HDLC suport package 
> (under device drivers). I have tried also do:
>
> modinfo hdlc
>
> but i did not get any info in return... Also I have tried :
>
> lsmod
>
> to check for hdlc module but I could not find it... I guess I am missing 
> something to activate my new settings in the menuconfig.  Is there a way 
> to verify that my new settings active!! Does any body know about the 
> HDLC modules loading in the 2.6.9. Please advise. And thank you all for 
> your help.

After you rebuild the RPM, you need to install the new RPM you just built.

After that, modinfo should work

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