Hi, > Stefan Wahren <stefan.wahren@xxxxxxxx> hat am 17. Januar 2016 um 04:36 > geschrieben: > > > Hi, > > i have a Cherry G83 USB Keyboard connected to external 4 Port USB hub and this > is connected to a Raspberry Pi B (Linux 4.4-rc7). > > If i disconnect the USB hub from the Pi, i will get multiple of this message: > > [ 103.558379] dwc2 20980000.usb: --Host Channel 1 Interrupt: Transaction > Error-- > [ 103.558639] dwc2 20980000.usb: --Host Channel 6 Interrupt: Transaction > Error-- > [ 103.558709] dwc2 20980000.usb: --Host Channel 7 Interrupt: Transaction > Error-- > [ 103.558771] dwc2 20980000.usb: --Host Channel 3 Interrupt: Transaction > Error-- > [ 103.558871] usb 1-1.2: clear tt 1 (9051) error -71 > > If i reconnect the USB hub everything works as before. i applied the following series from Douglas Anderson [PATCH v5 0/21] usb: dwc2: host: Fix and speed up all the stuff, especially with splits [PATCH] usb: dwc2: host: Properly set the HFIR but the issue still occurs. > > If i replace the Raspberry Pi B with a Olimex Olinuxino iMX233 Maxi (Chipidea > USB) the errors doesn't occure after disconnecting the hub. So i assume this > issue is specific to dwc2 or Raspberry Pi. This issue doesn't look like a > regression. > > The output of dmesg and lsusb -v can be found on gist [1]. > > Best regards > Stefan > > [1] - https://gist.github.com/lategoodbye/dd04293078f2d8afbf73 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
