I can't boot linux with CONFIG_CMDLINE_TAG

Hellow.

I used U-Boot 4.0 and Linux 2.4.18 on Samsung S32410(ARM920T).

First, i have boot linux successfully without CONFIG_CMDLINE_TAG. But. with CONFIG_CMDLINE_TAG i can't boot linux.

With CONFIG_CMDLINE_TAG, i can see the following log, and linux may hang

"Starting kernel ..."

Please let me know the solution of this problem.

Regards
Sangwoo Jin
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First thing I'd do would be to examine the log_buf array after resetting the board. This is where all the early kernel printk's go before the serial driver spits them out on the console. To do this, grep the (virtual) address of log_buf from your kernel's System.map and use uboot's "md" command to look into log_buf. Fortunately, on you platform this virtual address corresponds to the same physical address.

Regards,
Marius

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Marius Groeger <[email protected]>
Software Engineering

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"Sangwoo Jin" <[email protected]> schreibt:

Did you include "console=<your-serial-device-here>" in CONFIG_BOOTARGS ? Otherwise Linux won't write anything to the serial console.

HTH
Cheers
Anders