[OpenAFS] kernel module build problems with 1.4.1, kernel 2.6.14

[Derek Atkins]

This almost looks like you didn't build against the proper kernel
headers for your running kernel.

-derek

Dan Pritts <danno@internet2.edu> writes:

> Hi all - 
>
> I've got a centos 4 system with a kernel.org 2.6.14 kernel.
>
>   [root@nt650 src]# uname -a
>   Linux nt650.asyourattorney.org 2.6.14nt650-1danno1 #2 Wed Nov 9 23:15:53 EST 2005 i686 i686 i386 GNU/Linux
>
> Trying to install openafs 1.4.1 client.  I downloaded & installed the
> RHEL4 rpms and went to build the kernel module.  I had a successful build
> and once i figured out where to put it i figured everything would be fine.
>
> But, it didn't insert correctly.  I get the following in dmesg:
>
> 	openafs: disagrees about version of symbol filemap_fdatawrite
> 	openafs: Unknown symbol filemap_fdatawrite
> 	openafs: disagrees about version of symbol generic_file_read
> 	openafs: Unknown symbol generic_file_read
> 	openafs: disagrees about version of symbol generic_file_write
> 	openafs: Unknown symbol generic_file_write
> 	openafs: disagrees about version of symbol sock_create
> 	openafs: Unknown symbol sock_create
> 	openafs: disagrees about version of symbol wake_up_process
> 	openafs: Unknown symbol wake_up_process
> 	openafs: disagrees about version of symbol generic_file_mmap
> 	openafs: Unknown symbol generic_file_mmap
> 	openafs: disagrees about version of symbol generic_file_sendfile
> 	openafs: Unknown symbol generic_file_sendfile
> 	openafs: disagrees about version of symbol unlock_page
> 	openafs: Unknown symbol unlock_page
> 	openafs: disagrees about version of symbol sock_sendmsg
> 	openafs: Unknown symbol sock_sendmsg
> 	openafs: disagrees about version of symbol sock_recvmsg
> 	openafs: Unknown symbol sock_recvmsg
> 	openafs: disagrees about version of symbol sock_release
> 	openafs: Unknown symbol sock_release
> 	openafs: disagrees about version of symbol kill_anon_super
> 	openafs: Unknown symbol kill_anon_super
> 	openafs: disagrees about version of symbol filemap_fdatawait
> 	openafs: Unknown symbol filemap_fdatawait
> 	openafs: disagrees about version of symbol get_sb_nodev
> 	openafs: Unknown symbol get_sb_nodev
>
> As I inspect these some of them look pretty generic (sock_sendmsg i
> can't believe is really optional) but I'm guessing that there is some
> required kernel option that I didn't build into my kernel.   Hints?
>
> One other thing I should mention is that this system is a via C3 with
> an older "ezra" core.  This core did not implement the "optional" CMOV
> instruction from the i686 instruction set but identifies itself as an i686
> (apparently this is legal according to whatever spec there is for i686).
>
> Unfortunately, gcc assumes that an i686 has CMOV.  I didn't see anything
> obvious in the Makefile that was referring to the cpu arch but any
> hints appreciated.
>
> This is one big reason i built my own kernel, as the kernel sources have
> at least some optimizations for this particular chip and the thing is not
> fast to start with.  what it *is* is cheap, and the whole motherboard +
> CPU maxes out at about 10 watts.
>
> danno
> --
> dan pritts - systems administrator - internet2
> 734/352-4953 office        734/834-7224 mobile
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>
>

-- 
       Derek Atkins, SB '93 MIT EE, SM '95 MIT Media Laboratory
       Member, MIT Student Information Processing Board  (SIPB)
       URL: http://web.mit.edu/warlord/    PP-ASEL-IA     N1NWH
       warlord@MIT.EDU                        PGP key available