On Tue, Sep 20, 2005 at 07:39:33PM +0530, [EMAIL PROTECTED] wrote: > > Hello all , > > I am facing an issue when using my usb-serial adapter( USB 1.1 > compliant) connected to the host via a 2.0 Hub ( from Adaptec, Inc) > > The setup is something like this . > Linux host with Redhat 2.6.9 kernel --> USB 2.0 Hub --> USB-serial > converter > --> indicates usb cables > The Linux host has an Intel Pentium CPU 1.80GHz (ehci_hcd,uhci_hcd > modules loaded) > > When i open the serial port on the USB-Serial converter, I get a call in > my driver open(). However when i try to submit a URB in the open() > usb_submit_urb fails with error -28. > I have also tried the same with a different 2.0 Hub (from NEC Corp), but > it fails with the same error .
Yes, this is a known issue. Try 2.6.13, that works much better, but still, it's not all correct. There are some patches floating around on the list to help fix this up. > drivers/usb/serial/ox-semi.c: OxFord SemiConductor's USB-RS232 converter > driver v1.2 I don't see this driver in the main kernel tree. Do you have a pointer to the source for it anywhere? thanks, greg k-h ------------------------------------------------------- SF.Net email is sponsored by: Tame your development challenges with Apache's Geronimo App Server. Download it for free - -and be entered to win a 42" plasma tv or your very own Sony(tm)PSP. Click here to play: http://sourceforge.net/geronimo.php _______________________________________________ linux-usb-devel@lists.sourceforge.net To unsubscribe, use the last form field at: https://lists.sourceforge.net/lists/listinfo/linux-usb-devel
