Received-SPF: pass (google.com: domain of linux-wireless+bounces-6397-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
Message-ID: <d9788e11-b804-42a1-8074-3646e01d8d4d@gmail.com>
Date: Tue, 16 Apr 2024 05:50:22 -0700
Precedence: bulk
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: ath11k failed to enqueue rx buf: -28
Content-Language: en-US
To: Baochen Qiang <quic_bqiang@quicinc.com>,
 Jeff Johnson <quic_jjohnson@quicinc.com>,
 "open list:MEDIATEK MT76 WIRELESS LAN DRIVER"
 <linux-wireless@vger.kernel.org>
Cc: "ath11k@lists.infradead.org" <ath11k@lists.infradead.org>
References: <5c63a3a2-29fe-444c-96f1-f87c89d7af39@gmail.com>
 <216b223b-e871-42d4-8e53-59dd64efe4b9@quicinc.com>
 <6e8fe8cf-315c-47bb-b8db-5b17f7323109@quicinc.com>
 <347dce6b-94c6-4aa3-89ef-25525b4e72db@quicinc.com>
From: James Prestwood <prestwoj@gmail.com>
In-Reply-To: <347dce6b-94c6-4aa3-89ef-25525b4e72db@quicinc.com>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 8bit


On 4/11/24 1:00 AM, Baochen Qiang wrote:
>
>
> On 4/1/2024 11:30 AM, Baochen Qiang wrote:
>>
>>
>> On 3/30/2024 2:39 AM, Jeff Johnson wrote:
>>> On 3/27/2024 9:25 AM, James Prestwood wrote:
>>>> Hi,
>>>>
>>>> This error was brought to my attention in the kernel logs and I'm
>>>> wondering if it is of any concern:
>>>>
>>>> kernel: ath11k_pci 0000:03:00.0: failed to enqueue rx buf: -28
>>>>
>>>> It seems to happen every few minutes or so. I don't notice any bad
>>>> behavior associated with it per-se, but maybe its an issue of some
>>>> buffer needing to be increased in size? Does this mean a frame is 
>>>> being
>>>> dropped due to no room to receive it?
>>>>
>>>> Hardware we are running is:
>>>>
>>>> [    4.610399] ath11k_pci 0000:03:00.0: wcn6855 hw2.1
>>>> [    5.777030] ath11k_pci 0000:03:00.0: chip_id 0x12 chip_family 0xb
>>>> board_id 0xff soc_id 0x400c1211
>>>> [    5.777039] ath11k_pci 0000:03:00.0: fw_version 0x1109996e
>>>> fw_build_timestamp 2023-12-19 11:11 fw_build_id
>>>> WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.36
>>>>
>>>> Thanks,
>>>>
>>>> James
> Hi James, I was not able to reproduce this issue so wondering if you 
> could help reproduce and collect logs for debug. If OK please first 
> merge the debug patch which is available in patchwork:
>
> https://patchwork.kernel.org/project/linux-wireless/patch/20240411074812.86700-1-quic_bqiang@quicinc.com/ 
>
>
> Please also enable full ath11k log:
>     modprobe ath11k debug_mask=0xffffffff
>     modprobe ath11k_pci
>
> Once enabled you should see lots of ath11k logs.
Thank you for looking at this. I'll get these changes in to test but it 
may take me some time.
>
>>>>
>>>>
>>>
>>> + ath11k list to get more specific eyes on this issue
>>> + bcc to internal list as well
>>>
>> I will look into this.
>>>