Re: ath11k failed to enqueue rx buf: -28

James Prestwood
2024-04-16T12:50:33Z

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.
>>>