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Date:	Fri, 30 Jan 2015 12:44:52 +0200
From:	Kalle Valo <>
	Yuwei Zheng <>
Subject: Re: [PATCH] Repair soft lockup with monitor mode of ath9k_htc card writes:

> From: Yuwei Zheng <>
> In the environment with heavy wifi traffic, set the ar9271 into
> monitor mode, will trigger a deadloop panic.
> The ath9k_hif_usb_rx_cb function excute on  the interrupt context, and ath9k_rx_tasklet excute
> on the soft irq context. In other words, the ath9k_hif_usb_rx_cb have more chance to excute than
> ath9k_rx_tasklet.  So in the worst condition,  the rx.rxbuf receive list is always full,
> and the do {}while(true) loop will not be break. The kernel get a soft lockup panic. 

Word wrapping is too long and please prefix the title with "ath9k_htc: ".

Kalle Valo
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