"Anand Eswaran" <aeswaran@andrew.cmu.edu> writes: > Hi : > > I'm modifying the mm subsystem of Linux 2.4.18 significantly as part > of an experiment. > > In this regard, I encountered the following specific problem : > > 1) In the journalling code in __journal_file_buffer(), line > > J_ASSERT_JH(jh,jh->b_jlist < BJ_Types) fails. > > When I print out the value of jh->b_jlist, I get a large random > garbage value. > > Could anyone please point out some likely scenarios under which problem > #1 could occur? My first guess, if you haven't modified the journalling stuff and can't find any bug reports for that code, would be that some part of your patch has a pointer bug whereby you tromp on some of the journalling code's data accidentally. -- --Ed L Cashin | PGP public key: ecashin@uga.edu | http://noserose.net/e/pgp/ -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/
