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
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