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 How can I run PPP on a JFFS2 file system?		  Forum Locked
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jlackey

213 Posts
Posted - 08 Oct 2003 :  15:50:51  Show Profile  Email Poster
Running the PPP daemon (pppd) on a root file system that is flash based causes a Segmentation Fault. The reason this happens is the PPP daemon tries to memory map a file in /var and it can't do that when /var is in a flash file system. This is limitation of flash based file systems like JFFS2 or CRAMFS.

The solution is to modify the root file system to store temporary files in a RAM based file system which is usually a good idea anyway. Moving /var out of flash allows the memory mapping to succeed eliminating the problem.
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