On Mon, 05 Aug 2013 11:07:26 +0800, Woody Wu said: > Valdis, thank you very much. I just passed loglevel=7 as kernel command > line and hope it can suspress KERN_DEBUG messages printed out to console > at boot time. But, it seems not work. A lot of debug level messages from > jffs2 module still print out. I will go to check where is wrong.
Weird. Do the "debugging" messages actually have the string '[JFFS2 DBG]' in them? If not, then they're some *other* messages from jffs2. Also, double-check you don't have ignore_loglevel in the kernel command line. (This one can be tricky - do a 'cat /proc/cmdline' once you're booted to see what you really had - there's support for compiling in all/part of a commandline to work around buggy boot loaders that only support insanely short parameter lists - so what your boot loader said it passed to the kernel may not be what the kernel used).
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