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sanpei (Yoshiro Mihiew)
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User Since
Mar 24 2026, 10:14 AM (8 w, 18 h)

Recent Activity

Mon, May 18

sanpei added a comment to D56985: usb_ethernet: avoid ioctl and watchdog tick link up/down race condition..

Thank you for your effort on this.

Mon, May 18, 12:29 PM · USB

Apr 2 2026

sanpei added a comment to D55631: axge: fix spurious link down from MII, frozen TX.

Hi rkitover,

Apr 2 2026, 12:58 PM · USB, network

Mar 31 2026

sanpei added a comment to D55631: axge: fix spurious link down from MII, frozen TX.

Do you know of other drivers that would benefit from this patch that you have access to hardware for?

Mar 31 2026, 1:14 PM · USB, network

Mar 29 2026

sanpei added a comment to D55631: axge: fix spurious link down from MII, frozen TX.

I have tested the updated if_axge driver with several devices.
In my environments, the issues with link flaps have been resolved(even added changing axge_miibus_statchg, there is "no" spurious link down message. Same as axe I don't know why??) .

Mar 29 2026, 9:43 PM · USB, network
sanpei added a comment to D56138: ure: lock MII bus operations.

I can reproduce below steps

Mar 29 2026, 1:13 PM · desktop, USB
sanpei added a comment to D55925: axe: fix spurious link flaps from MII.

I have tested the updated if_axe driver with several devices.
In my environments, the issues with link flaps have been resolved(even added changing axe_miibus_statchg, there is "no" spurious link down message. I don't know why??) .

Mar 29 2026, 12:57 PM · desktop, USB

Mar 28 2026

sanpei added a comment to D55682: ure: fix spurious link flaps from MII.

FYI
I have created and am currently testing a patch that includes "Lock-mii-bus-operation" for 15.0-RELEASE. (Link: patch)
I ported some parts from the axge driver (specifically the changes around ure_attach at line 515).

Mar 28 2026, 12:35 PM · network, USB
sanpei added a comment to D55682: ure: fix spurious link flaps from MII.

I have tested the ure driver across several environments. Here are the results:

Mar 28 2026, 11:22 AM · network, USB

Mar 27 2026

sanpei added a comment to D55925: axe: fix spurious link flaps from MII.

I will try new patch with axe and axge and report it. Thanks!!

Mar 27 2026, 11:27 PM · desktop, USB

Mar 24 2026

sanpei added a comment to D55925: axe: fix spurious link flaps from MII.

FYI: My testing methodology

Mar 24 2026, 10:07 PM · desktop, USB
sanpei added a comment to D55925: axe: fix spurious link flaps from MII.

Hardware: ASIX Electronics Corp. AX88772 (BUFFALO LUA3-U2-ATX, 100Base Ethernet)
Tested on: Raspberry Pi 4(16-current), Raspberry Pi Zero 2W(15.0-RELEASE), Pine64(15.0-RELEASE)

Mar 24 2026, 9:52 PM · desktop, USB