hi , My problem is after I patched the kernel , compile the modules ,there is the message:<br><br> LD [M] /root/job/fs/yaffs2/yaffs2.o<br> Building modules, stage 2.<br> MODPOST<br>*** Warning: "yaffs_CheckpointOpen" [/root/job/fs/yaffs2/yaffs2.ko] undefined!
<br>*** Warning: "yaffs_EraseBlockInNAND" [/root/job/fs/yaffs2/yaffs2.ko] undefined!*** Warning: "yaffs_InitialiseNAND" [/root/job/fs/yaffs2/yaffs2.ko] undefined!<br>*** Warning: "yaffs_ReadChunkWithTagsFromNAND" [/root/job/fs/yaffs2/yaffs2.ko] undefined!
<br>*** Warning: "yaffs_WriteChunkWithTagsToNAND" [/root/job/fs/yaffs2/yaffs2.ko] undefined!<br>*** Warning: "yaffs_CheckpointWrite" [/root/job/fs/yaffs2/yaffs2.ko] undefined!<br>*** Warning: "qsort" [/root/job/fs/yaffs2/yaffs2.ko] undefined!
<br>*** Warning: "yaffs_CheckpointClose" [/root/job/fs/yaffs2/yaffs2.ko] undefined!<br>*** Warning: "yaffs_CheckpointInvalidateStream" [/root/job/fs/yaffs2/yaffs2.ko]<br>undefined!<br>*** Warning: "yaffs_CheckpointRead" [/root/job/fs/yaffs2/yaffs2.ko] undefined!
<br>*** Warning: "yaffs_MarkBlockBad" [/root/job/fs/yaffs2/yaffs2.ko] undefined!<br>*** Warning: "yaffs_QueryInitialBlockState" [/root/job/fs/yaffs2/yaffs2.ko] undefined!<br> CC /root/job/fs/yaffs2/yaffs2.mod.o
<br> LD [M] /root/job/fs/yaffs2/yaffs2.ko<br><br>I get the yaffs.ko ,but I canot insmod it :<br><br>FATAL: Error inserting yaffs (/lib/modules/2.6.16.19/kernel/fs/yaffs2/yaffs.ko): Unknown symbol in module, or unknown parameter (see dmesg)
<br><br>why ?<br> <br>regards.<br><br><br><br>