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Old 05-15-2008, 10:04 PM   #1
jackandking
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Registered: Dec 2004
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module Unknown symbol


kernel 2.6.9
module cmem_rcc_drv
compile ok
when insmod get:

insmod: error inserting 'cmem_rcc_drv.ko': -1 Unknown symbol in module

dmesg:
cmem_rcc_drv: Unknown symbol __copy_from_user_ll
cmem_rcc_drv: Unknown symbol __copy_to_user_ll

===
cat /proc/kallsyms |grep copy_from_user_ll
021c3188 t __copy_from_user_ll

in "arch/i386/kernel/i386_ksyms.c":

EXPORT_SYMBOL(__copy_from_user_ll);

===
do i miss anything?
 
Old 05-16-2008, 04:14 AM   #2
digvijay.gahlot
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You included the header <linux/uaccess.h> in you module?
 
Old 05-16-2008, 08:35 PM   #3
jackandking
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no <linux/uaccess.h>, but included <asm/uaccess.h>,
actually, i can't find linux/uaccess.h in my kernel src
 
  


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