On Fri, 4 Sep 2009, Miklos Szeredi wrote:
> On Thu, 3 Sep 2009, Greg KH wrote:
> > On Thu, Sep 03, 2009 at 04:13:34PM +0200, Miklos Szeredi wrote:
> > > I get the following warnings in 2.6.31-rc. A lot of them:
> > >
> > > WARNING: at drivers/usb/serial/usb-serial.c:414 serial_write_room+0x59/0x6e [usbserial]()
> > > WARNING: at drivers/usb/serial/usb-serial.c:401 serial_write+0x77/0x9d [usbserial]()
> > >
> > > This is a huawei-3565 modem.
> > >
> > > The messages don't seem to hurt, but there's lot of trouble with this
> > > gadget. Sometimes it just doesn't work after a while and a reboot is
> > > needed. Sometimes it hangs the kernel after suspend, etc. Not sure
> > > if this is related to the warnings...
> >
> > {sigh}
> >
> > The tty layer changes are being a pain here :(
> >
> > Alan Stern posted a set of patches to the linux-usb list to hopefully
> > address stuff like this, is there any way you could test them out to see
> > if they help or not?
>
> Nope, it doesn't seem to help. Still got the same warnings with the
> patched kernel (latest git + ghk tree + usbserial patches).
What were you doing when these warnings appeared?
Do you want to try some debugging? Add a line saying
#define DEBUG
near the beginning of the usb-serial.c source file, before all the
#include lines.
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
