Hi,

   > In one ARM based boards I am facing soft lock up issue while
   > inserting/removing MMC/SD card continuously having 2K files.  Can
   > someone point me where should i look whether host controller
   > driver or MMC block layer/Kernel block layer??

Could be any of the above, but perhaps most likely your host
controller driver -- which one are you using?  Can you perform
alt-sysrq-t when the lockup happens, or get a kgdb backtrace?

- Chris.
-- 
Chris Ball   <c...@laptop.org>
One Laptop Per Child
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