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Hi,
On Sun, 29 Jun 2003, ¸ß¾ü wrote:
> Hello lvssu-sre£¡
>
> I use redhat linux 7.3,and upgraded the kernel to 2.4.20.Then I
> downloaded "ktcpvs-0.0.14.tar.gz" from the official site.After unpacked it, I
> successfully compiled it with command "make".But when I do "make install",
> the following mistakes happened:
>
> rmmod ktcpvs
> rmmod: module ktcpvs is not loaded
> make: [install] Error 1 (ignored)
> insmod ktcpvs.o
> ktcpvs.o: unresolved symbol tcp_sync_mss
> ktcpvs.o: unresolved symbol tcp_write_xmit
> ktcpvs.o: unresolved symbol tcp_openreq_cachep
> ktcpvs.o: unresolved symbol tcp_v4_lookup_listener
> ktcpvs.o: unresolved symbol tcp_cwnd_application_limited
> make: *** [install] Error 1
>
> Someone has already met this problem before,as I read the maillist.So
> I do sth as Ph.D wensong guided:
> put the new linux kernel source in the right directory:/usr/src/linux
> boot the machine with new kernel.
>
> But The problem still appeared.
> I find sth strange: In the file /proc/ksyms,function "tcp_sync_mss"
> can not be found,but It appeared in it when I boot the machine with the
> original kernel.So I wonder whether there is sth wrong when I upgrade the
> kernel. I just do it like this:
> #cd /usr/src
> #tar xzvf linux-2.4.20.tar.gz
> #ln -s linux-2.4.20 linux
> #cd linux
> #make menuconfig(do some config work)
> #make make dep
> #make bzImage
> #make modules
> #make modules_install
> #cp arch/i386/boot/bzImage /boot/vmlinuz-2.4.20
> #cp System.map /boot/System.map-2.4.20
> modify the loader
>
> Can someone give me some suggestions why I can not find function
> "tcp_sync_mss" which cause the ultimate problem.
>
Have you made the ktcpvs modules again after rebuilding your kernel
source?
Anyway, you can run "ksyms -a | grep tcp_sync_mss" to check if there is
tcp_sync_mss kernel exports.
Regards,
Wensong
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