[Bug 244845] ue0 realtek interface stops working after some time connection stalls problem down->up helps unitek Y-3083B

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244845

--- Comment #5 from Tomasz "CeDeROM" CEDRO <tomek at cedro.info> ---
sonewconn does not seem to be related because now I lost the connection and
that message is not in dmesg.

I did catch something that may be related:

20:51:58.160826 usbus0.9
DONE-CTRL-EP=00000080,SPD=SUPER,NFR=2,SLEN=4,IVAL=0,ERR=0
20:51:58.161334 usbus0.9
DONE-CTRL-EP=00000080,SPD=SUPER,NFR=2,SLEN=4,IVAL=0,ERR=0
20:51:58.161838 usbus0.9
DONE-CTRL-EP=00000000,SPD=SUPER,NFR=2,SLEN=0,IVAL=0,ERR=0
20:51:58.162347 usbus0.9
DONE-CTRL-EP=00000080,SPD=SUPER,NFR=2,SLEN=4,IVAL=0,ERR=0
20:51:58.471157 usbus0.9
DONE-BULK-EP=00000002,SPD=SUPER,NFR=0,SLEN=0,IVAL=0,ERR=TIMEOUT
20:51:58.520570 usbus0.9
DONE-CTRL-EP=00000000,SPD=SUPER,NFR=1,SLEN=0,IVAL=50,ERR=0
20:51:59.159352 usbus0.9
DONE-CTRL-EP=00000080,SPD=SUPER,NFR=2,SLEN=4,IVAL=0,ERR=0
20:51:59.159856 usbus0.9
DONE-CTRL-EP=00000080,SPD=SUPER,NFR=2,SLEN=4,IVAL=0,ERR=0
20:51:59.160365 usbus0.9
DONE-CTRL-EP=00000000,SPD=SUPER,NFR=2,SLEN=0,IVAL=0,ERR=0
20:51:59.160873 usbus0.9
DONE-CTRL-EP=00000080,SPD=SUPER,NFR=2,SLEN=4,IVAL=0,ERR=0
2

ure_bulk_read_callback: bulk read error, USB_ERR_CANCELLED
ue0: link state changed to DOWN
ure_bulk_read_callback: bulk read error, USB_ERR_IOERROR
ue0: link state changed to UP

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