On Sun, 15 Nov 2015, Stéphane Lavergne wrote: > On Sat, Sep 12, 2015 at 4:08 AM, Hans-Peter Jansen <hpj@xxxxxxxxx> wrote: > > With some changes in the 4.0 time frame, AND an update of the epson iscan > > stuff, I'm happily scanning with my Epson 4490 Photo scanner plugged to a USB > > 3.0 port using xsane. > > > > Other USB 3.0 issues are currently investigated. > > Thank you for the update. I updated my Debian amd64 box to kernel > 4.2.0-0 (Jessie backport) today, re-enabled "Auto" XHCI in my Gigabyte > BIOS and I can confirm that xhci_usb is handling my Fujitsu ScanSnap > S1500 correctly now. > > FYI I do get 2 warnings in dmesg and my console every single time Sane > talks to the device: > > [ 2036.780271] usb 3-12: ep 0x81 - rounding interval to 128 > microframes, ep desc says 255 microframes > > [ 2036.780835] usb 3-12: ep 0x2 - rounding interval to 128 > microframes, ep desc says 255 microframes > > No big deal, just thought I'd let _someone_ out there know. :) There's no reason for these messages to be warnings. They don't indicate that anything is wrong or out of the ordinary. Probably they should be debug-level. Alan Stern -- 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