[ath9k-devel] How can I check "ath_dbg" ?

Hi all,

I modified ath9k_htc_tx_start on ath9k_htc_txrx.c to corrupt FCS by
REG_SET_BIT.

However, the system stop when I turn on WLAN

I think it's because of infinity retry (caused by status error)

Why this situation is happened?

Also, I want to know use of ath_dbg

I enable debugfs according to
http://linuxwireless.org/en/users/Drivers/ath9k/debug/__v12.html\

However, I can't find any clues at /sys/kernel/debug/ieee80211/phy0/

How can I get the message generated by ath_dbg ?

Please help me.
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