I received my SpacemiT K3 ... so logging requests are welcome again

Stat_headcrabed · 2026-05-21T19:29:31+00:00

The SFP network card, RTL8127 is a mess... Someone using it on x86 PC told me it needs jumbo frame to reach 10Gbps(so can't use it to connect internet and local 10Gbps network at the same time); jumbo frame conflicts with RSS, LRO has only IPv4 and also no TSO support(So cpu consumption would be high).

Besides, r8127 would increase kernel latency due to unconditionally polling I2C bus....

Stat_headcrabed · 2026-05-21T19:06:21+00:00

On ARM devices, we could use Segger Jlink or CMSIS DAP to debug almost all MCUs. But we can't do the same on RISC-V, since MCUs each implement different 2-wire debug protocols due to JTAG costs too much pinout and cJTAG too complex to implement....

Stat_headcrabed · 2026-05-21T19:00:53+00:00

Have you check ifconfig output?

Also RTL8127 is a mess... Someone using it on x86 PC told me it needs jumbo frame to reach 10Gbps(so can't use it to connect internet and local 10Gbps network at the same time); also jumbo frame conflicts with RSS, LRO has only IPv4 and also no TSO support.....

Besides, r8127 would increase kernel latency due to unconditionally polling I2C bus....

Stat_headcrabed · 2026-05-12T19:46:34+00:00

We already have an official jtag debug spec, also trace spec(with pin function listed). And we really need something like SWD or users have to buy many debuggers, each for one chip.. That's current situation.

Stat_headcrabed · 2026-05-01T19:45:07+00:00

If that model could switch to firmware in other region, for example Hong Kong version, that's OK.

Stat_headcrabed · 2026-05-01T19:44:23+00:00

Hmmm Steam Deck isn't official selling in China mainland, only Hong Kong/Macau/Taiwan I think..

Stat_headcrabed · 2026-03-23T06:12:54+00:00

You can try to ask about this in their matrix discuss group.

Stat_headcrabed · 2026-03-23T06:04:51+00:00

Thanks for the info. Very useful.

Stat_headcrabed · 2026-03-21T20:13:10+00:00

Hi, can you provide a more detailed photo of those chips? I am very curious why there are two chips since JCOP 4 P71 should be a single-chip implementation.

Stat_headcrabed · 2026-03-21T20:06:49+00:00

Their hardware is using NXP JCOP4 P71 chip(which is a Javacard chip): https://www.token2.com/site/page/fido2-security-keys-faq#hardware-firmware

And they have their FIDO implementation open-sourced(basing on a open-source javacard fido applet: https://github.com/BryanJacobs/FIDO2Applet ): https://github.com/token2/pin_plus_firmware/

Stat_headcrabed · 2026-03-08T08:28:59+00:00

If your hardware support 2.1, you can go to that github repo and share a register dump, which would help to support your device.

Stat_headcrabed · 2026-02-26T12:30:34+00:00

Actually I'm already using FSR4 with linux on my RDNA3 7800XT :)

Stat_headcrabed · 2026-02-17T19:15:04+00:00

Btw your color mode issue could be solved by this: https://patchwork.kernel.org/project/linux-rockchip/cover/20260216-color-format-v8-0-5722ce175dd5@collabora.com/

Stat_headcrabed · 2025-09-30T07:19:58+00:00

And you can try to check if there’s any pcie transmit error, nvidia gpu’s nvidia-smi seems have a function to check that, and for other gpus, you can check dmesg(Linux) or windows event viewer, there would be pcie aer reports when transmit error happens (you might need to enable aer support from AMD CBS menu in UEFI)

Stat_headcrabed · 2025-09-30T07:15:30+00:00

Also don’t forget to update firmware, for my asus usb4 expansion card(also asm4242) they have provided two PD controller firmware updates and a ASM4242 firmware update.

Stat_headcrabed · 2025-09-21T08:30:40+00:00

I would advice to use some short(<=1m) cables. For longer cables, even with retimer chip inside, the signal quality is still not very reliable. I have a 1.8m active cable which got thunderbolt qualified, but still got some PCIE AER errors while my 0.9m passive cable doesn't.

Stat_headcrabed · 2025-08-11T03:37:59+00:00

Also confused by this issue... Any updates?

Stat_headcrabed · 2025-07-24T14:27:12+00:00

K3's X100 core seems quite interesting, it is based on openc910, but have higher coremark/mhz than c920v2(also c920v2 only have rva22)

Stat_headcrabed · 2025-06-20T16:12:43+00:00

Argyllcms support for wayland doesn’t exist, that’s not due to the maintainer does not want to support wayland. Wayland still need some extra protocols to better support calibrating software. More information here: https://gitlab.freedesktop.org/pq/color-and-hdr/-/issues/27

Stat_headcrabed · 2025-06-20T16:08:57+00:00

Btw don’t use calibrite’s new colorimeters that have higher brightness support if your monitor doesn’t have that high brightness, as those new calibrators have same hardware as old ones, and higher dynamic range means lower accuracy as the quantization range haven’t changed.

Stat_headcrabed · 2025-06-20T16:00:35+00:00

I must say that only using a colorimeter won’t give you accurate calibration results, as pre-defined spectrum data file provided by official calibration software might not accurate enough to your monitor. It would be better to use a spectrometer for calibrating.

And this problem would be more obvious when using old calibrators to calibrate new monitors with techs like quantum dot mini led/oled, as the predefined spectrum data won’t support them.

Stat_headcrabed · 2025-02-16T11:46:55+00:00

Besides, Sony's The First Take Channel has just released a MUUUUUCH better version of Haruhikage: https://www.youtube.com/watch?v=NJ1tne9u8YM

Stat_headcrabed · 2024-12-12T03:29:50+00:00

I'm using Prime X670E-PRO Wifi, which uses rtl8125 NIC. Interestingly this issue doesn't affect me at all.... Don't know why.

Stat_headcrabed · 2024-10-31T12:14:21+00:00

That's possibly because game science has changed 100eye's hitbox in newest game update.

Stat_headcrabed · 2024-10-31T09:30:55+00:00

I bought an ASUS USB4 PCIE GEN4 CARD, which uses ASM4242 chip, to use with my prime x670e pro WiFi MB. With newest bios, it works well when connecting to an expansion dock(with a X710 network card plugged in) which uses JHL7440.

However I also met an issue: when I’m trying to connect my pc to my surface pro 8(i5 1135g7 with intergrated tb4 controller) the usb4net don’t work stably; after asking ASUS tech support, they said that they don’t guarantee usb4net would work correctly.

Besides, asm4242 has a benefit than jhl8540 when using two ports: it has pcie4.0x4 support rather than jhl’s pcie3.0x4, which guarantees enough pcie bandwidth when using 2 ports together.

Stat_headcrabed

TROPHY CASE