Re: FW: Wireless speed regression issue with >6.12.12/6.13.x + firmware update for mediatek MT7925
Hi,
Thanks for reporting this issue. We will conduct testing again.
And it is already known that the patch added in 6.12.13 does have some issues, but we have also submitted new patches to fix.
Currently, these patches are in the maintainer’s tree. It should soon be included in 6.14 and then ported Back to 6.12.x and 6.13.x.
Perhaps you can test the driver from here: https://github.com/nbd168/wireless and apply this patch: https://patchwork.kernel.org/project/linux-wireless/patch/20250317011724.332...
Thanks
Best Regards, Yen.
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,
Le 17/03/2025 à 03:12, Mingyen Hsieh (謝明諺) a écrit :
Hi,
Thanks for reporting this issue. We will conduct testing again.
And it is already known that the patch added in 6.12.13 does have some issues, but we have also submitted new patches to fix.
Currently, these patches are in the maintainer’s tree. It should soon be included in 6.14 and then ported Back to 6.12.x and 6.13.x.
Perhaps you can test the driver from here: https://github.com/nbd168/wireless and apply this patch: https://patchwork.kernel.org/project/linux-wireless/patch/20250317011724.332...
Thanks
Best Regards, Yen.
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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.
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.
*********** MEDIATEK Confidentiality Notice *********** The information contained in this e-mail message (including any attachments) may be confidential, proprietary, privileged, or otherwise exempt from disclosure under applicable laws. It is intended to be conveyed only to the designated recipient(s). Any use, dissemination, distribution, printing, retaining or copying of this e-mail (including its attachments) by unintended recipient(s) is strictly prohibited and may be unlawful. If you are not an intended recipient of this e-mail, or believe that you have received this e-mail in error, please notify the sender immediately (by replying to this e-mail), delete any and all copies of this e-mail (including any attachments) from your system, and do not disclose the content of this e-mail to any other person. Thank you!
On Thu, 2025-04-24 at 13:20 +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,
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,
Hi,
I had tested with this AP (5G HE80 & WPA2), and my setting is v6.14.3 + latest firmware. It looked good for me.
Could you give me your AP setting and could you test with another AP?
Best Regards, Yen.
Hello,
The Cisco Catalyst C9120AXI (not Meraki), is running in Lightweight mode, connected to the Cisco Virtual Wireless Controller.
I was running tests in 5Ghz, WPA2 + 160Mhz Channel width, not 80 (+all supported rates enabled, RRM+DCA enabled, 802.11h enabled, BSS enabled). As tested previously 20Mhz channel width gives better performances than 160Mhz after regression.
Following speed are observed with highest steams as I can (multi thread iperf/nperf ect). Speed test isn't run in perfect conditions but it doesn't really mind.
With 6.14.3 + latest firmware 20Mhz channel width (DL/UL) : 130mbps/160mbps (ch36) With 6.14.3 + latest firmware 40Mhz channel width : 230mbps/330mbps (36,40) With 6.14.3 + latest firmware 80Mhz channel width : 340mbps/6mbps (36,40,44,48) With 6.14.3 + latest firmware 160Mhz channel width : 640mbps/7mbps (36,40,44,48,52,56,60,64)
As you can see, Upload speed is dropping with 80Mhz channel width. Can you please try in your setup with 160Mhz ? As a check.
-> With 6.14.3 + latest firmware 160Mhz in 802.11AC (Cisco 2802E): 800mbps/380mbps (52,56,60,64,36,40,44,48)
As a debug/comparison :
With 6.14.3 + 202412 firmware 20Mhz channel width (DL/UL) : 130mbps/170mbps (ch36) With 6.14.3 + 202412 firmware 40Mhz channel width : 130mbps/280mbps (36,40) With 6.14.3 + 202412 firmware 80Mhz channel width : 390mbps/580mbps (36,40,44,48) With 6.14.3 + 202412 firmware 160Mhz channel width : 630mbps/950mbps (36,40,44,48,52,56,60,64)
I don't have any other 802.11ax AP at the moment. Remember : no issue with 802.11ac.
Best regards, Jeff
Le 28/04/2025 à 13:00, Mingyen Hsieh (謝明諺) a écrit :
On Thu, 2025-04-24 at 13:20 +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,
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,
Hi,
I had tested with this AP (5G HE80 & WPA2), and my setting is v6.14.3 + latest firmware. It looked good for me.
Could you give me your AP setting and could you test with another AP?
Best Regards, Yen.
*********** MEDIATEK Confidentiality Notice
The information contained in this e-mail message (including any attachments) may be confidential, proprietary, privileged, or otherwise exempt from disclosure under applicable laws. It is intended to be conveyed only to the designated recipient(s). Any use, dissemination, distribution, printing, retaining or copying of this e-mail (including its attachments) by unintended recipient(s) is strictly prohibited and may be unlawful. If you are not an intended recipient of this e-mail, or believe that you have received this e-mail in error, please notify the sender immediately (by replying to this e-mail), delete any and all copies of this e-mail (including any attachments) from your system, and do not disclose the content of this e-mail to any other person. Thank you!
linux-stable-mirror@lists.linaro.org
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Jean-François Ingelaere -
Mingyen Hsieh (謝明諺)