Hello Ming-Ching, On Mon, Oct 19, 2009 at 10:28 AM, Ming-Ching Tiew <mctiew@xxxxxxxxx> wrote: > > Message below :- > >> From: Ming-Ching Tiew <mctiew@xxxxxxxxx> >> Subject: Re: Gadmei 380 on kernel 2.6.28.4 >> To: linux-media@xxxxxxxxxxxxxxx >> Date: Monday, October 12, 2009, 8:31 AM >> I did a dmesg, include please find >> the output. If you see >> carefully, towards the end, there is a USB driver error, >> and my KINGSTON usb thumb drive get disconnected and >> reconnected again. Yes, there is error "usb 1-5: failed to restore interface 0 altsetting 0 (error=-71)" If i understand things correctly this is "Protocol error". I have small idea that this can be problem with electrical power system on usb bus. >> --- On Mon, 10/12/09, mctiew <mctiew@xxxxxxxxx> >> wrote: >> >> > From: mctiew <mctiew@xxxxxxxxx> >> > Subject: Gadmei 380 on kernel 2.6.28.4 >> > To: linux-media@xxxxxxxxxxxxxxx >> > Date: Monday, October 12, 2009, 3:32 AM >> > >> > I am trying to use the gadmei 380 which I bought >> > yesterday. >> > >> > I am using kernel 2.6.28.4, I downloaded the entire >> > ~dougsland/em28xx >> > and did a make and install. Everything went on >> smoothly. >> > However, >> > when I plug in the gadmei 380 usb device, it seems >> the >> > driver can >> > get loaded by the usb pnp, but at the same time, one >> of my >> > usb >> > pendrive will get disconnected. Because that's my >> boot >> > drive >> > ( I boot off from the usb drive ), that will cause >> problem >> > with >> > my system. >> > >> > Anyone has experienced this before ? >> > >> > > > No one is working on this ? Is there a similar device which > I can use as a reference ? I am thinking maybe I need to > modify the usb storage driver to ignore this device much > like this thread ? > > http://www.mail-archive.com/linux-usb-devel@xxxxxxxxxxxxxxxxxxxxx/msg54175.html Well, if there is no answers on this maillist, it's very good if you can ask linux usb team. Maillist is linux-usb@xxxxxxxxxxxxxxxx Logs of em28xx driver contains no v4l-dbv or even usb errors. If usb guys say that there is em28xx driver problem it will makes things more clear. -- Best regards, Klimov Alexey -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html