Re: FW: Wireless speed regression issue with >6.12.12/6.13.x + firmware update for mediatek MT7925

["Jean-François Ingelaere" <masterprenium@gmail.com>]

Hello,

I hoped you had previous messages. Firmware is the released from my 
distro (Gentoo Linux) 20240410, but yes you're right, the firmware used 
in this case for mt76 is 20240305, sorry.

[74734.459451] Loading firmware: 
mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin
[74734.463449] mt7925e 0000:73:00.0: ASIC revision: 79250000
[74734.539692] Loading firmware: 
mediatek/mt7925/WIFI_MT7925_PATCH_MCU_1_1_hdr.bin
[74734.539760] mt7925e 0000:73:00.0: HW/SW Version: 0x8a108a10, Build 
Time: 20250305132908a

[74734.878892] Loading firmware: 
mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin
[74734.879069] mt7925e 0000:73:00.0: WM Firmware Version: ____000000, 
Build Time: 20250305133013
[74734.974255] Loading firmware: 
mediatek/mt7925/WIFI_RAM_CODE_MT7925_1_1.bin


The AP used is a Cisco C9120AXI-E.


Best regards,


Le 24/04/2025 à 13:06, Mingyen Hsieh (謝明諺) a écrit :
>
> On Thu, 2025-04-24 at 12:16 +0200, Jean-François Ingelaere wrote:
> > 
> > External email : Please do not click links or open attachments until
> > you have verified the sender or the content.
> > 
> > 
> > Hello guys,
> > 
> > I've just tested 6.14.3 kernel which seems to include the patched
> > driver. Issue is still present, in Wi-FI 6.
> > 
> > Here are some more testings :
> > 
> > 6.14.3 + firmware-202412x speed is NOT correct in download but
> > correct
> > in upload (20Mbps/750Mbps)
> > 6.14.3 + firmware-202504x speed is NOT correct in download and in
> > upload
> > (<10Mbps/<10Mbps) 98% of time
> > 6.14.3 + firmware-202504x speed is more or less correct in download
> > and
> > in NOT correct upload (400Mbps/<10Mbps) 2% of time
> > 
> > With older firmware, speed results are inverted as in 6.12.12 kernel
> > (DL
> > / UP), with newer firmware, upload never work correctly.
> > 
> > Please note the speed is mono-thread/mono-stream (ex : iperf -P 1),
> > while running multiple simultaneous connections, the DL speed with
> > newer
> > firmware seems quite OK. While I'm not having any issue in <=6.12.12
> > with mono stream.
> > Remarks regarding upload speed doesn't change.
> > 
> > Any idea ?
> > 
> > Best regards,
> > 
>
> It's a bit strange, the latest firmware should be 20250305, there
> shouldn't be 202504. May I ask where your firmware came from?
>
> And which AP are you using? I will test there combinations as well.
>
> Best Regards,
> Yen.
>
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