On Tue, 2015-03-24 at 13:26 +0200, Sami Farin wrote: > On Tue, Mar 24, 2015 at 18:02:51 +0700, Lars Melin wrote: > > On 2015-03-24 17:20, Oliver Neukum wrote: > ... > > >>[ 2777.325282] scsi host37: usb-storage 2-1.4.4:1.0 > > >>[ 2777.903039] usb 2-1.4.4: usbfs: interface 0 claimed by usb-storage > > >>while 'usb_modeswitch' sets config #2 > > >This fails. It comes from proc_setconfig(). It suggests that a change > > >in storage causes this. To verify, could you blacklist usb-storage > > >in a test with 4.0? > > > > > > Regards > > > Oliver > > 12d1:157d has 2 configurations, config #1 being the virtual cd-rom > > containing windows drivers and config #2 containing cdc_mbim interfaces. > > cdc_mbim is the primary protocol for this Win8 approved dongle but it can be > > switched via a bulkmsg into an "old Win" compatibility mode which > > usually is cdc_ether. > > 4.0.0-rc5+ does not switch to "old Win" mode even if I blacklist usb_storage, > have to reboot to 3.18.9. > > Why? Good question. Please post the full dmesg. But do you want it to? Ideally cdc_mbim would work, wouldn't it? Regards Oliver -- 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
