Re:

[Bitterblue Smith <rtl8821cerfe2@gmail.com>]

On 14/07/2026 18:08, nurofen55@meta.ua wrote:
> Hi Ping-Ke,
> Thank you for the quick and insightful analysis!
> Here are the results from your suggestions:
> 1. Firmware Check:
> 
> You were absolutely right. I ran `dmesg | grep -i rtw89` on the 7.1.x kernel, and it confirmed that it is indeed loading the new v2 firmware:
> 
> rtw89_8852be 0000:02:00.0: loaded firmware rtw89/rtw8852b_fw-2.bin
> 
> Firmware version 0.29.29.18 (9e3d777f)
> 2. Power Save Test:
> 
> I identified my interface as wlp2s0 and completely disabled power saving:
> 
> sudo iw dev wlp2s0 set power_save off
> 
> Unfortunately, this did not improve the 2.4GHz stability; the intermittent packet loss and high latency spikes still persist under the same conditions.
> 3. Testing Nearby the AP:
> 
> Moving the laptop closer to the router (stronger signal) slightly mitigates the frequency of the drops, but the latency spikes still occur randomly on 2.4GHz, whereas 5GHz remains flawlessly stable.
> Since I am on openSUSE Tumbleweed (a rolling release distribution) and use it for my daily hospital workflow, compiling a custom kernel to manually apply patch 63ccdfac8677 is quite problematic for me at the moment.
> Given that commit 63ccdfac8677 fixes the exact AMPDU drop logic bug introduced in 7.0, it sounds like the perfect candidate to resolve this. Could you please queue this fix for inclusion into the upstream 7.1.x stable kernel tree? Once it is merged there, the openSUSE maintainers will pull it automatically, and I will gladly test the updated repository kernel to confirm the fix!
> Best regards,
> 
> Svyatoslav
> 
> 

Hi,

That patch is already queued for 7.1:

https://lore.kernel.org/stable/20260712105304.agent5-0001@kernel.org/