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From: Brian Norris <>
To: Miaoqing Pan <>
Cc: linux-wireless <>,
	ath10k <>
Subject: Re: [PATCH v2] ath10k: fix wmi mgmt tx queue full due to race condition
Date: Tue, 22 Dec 2020 10:26:47 -0800	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On Mon, Dec 21, 2020 at 10:34 PM Miaoqing Pan <> wrote:
> Failed to transmit wmi management frames:
> [84977.840894] ath10k_snoc a000000.wifi: wmi mgmt tx queue is full
> [84977.840913] ath10k_snoc a000000.wifi: failed to transmit packet, dropping: -28
> [84977.840924] ath10k_snoc a000000.wifi: failed to submit frame: -28
> [84977.840932] ath10k_snoc a000000.wifi: failed to transmit frame: -28
> This issue is caused by race condition between skb_dequeue and
> __skb_queue_tail. The queue of ‘wmi_mgmt_tx_queue’ is protected by a
> different lock: ar->data_lock vs list->lock, the result is no protection.

Reviewed-by: Brian Norris <>

ath10k mailing list

  reply	other threads:[~2020-12-22 18:27 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-22  6:34 [PATCH v2] ath10k: fix wmi mgmt tx queue full due to race condition Miaoqing Pan
2020-12-22 18:26 ` Brian Norris [this message]
2021-01-28  7:19 ` Kalle Valo

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