Re: PROBLEM: kernel oops with g_serial USB gadget on 2.6.30

From: David Brownell
Date: Tue Jun 23 2009 - 03:22:51 EST

On Monday 22 June 2009, Marek Szyprowski wrote:
> > Like, oh, changing a spinlock to a mutex.   You might change the
> > low_latency setting and review how that's now supposed to behave.
> In in gs_open() function in drivers/usb/gadget/u_serial.c, after the
> line 780 I've added:
> tty->low_latency = 1;

That's already how it's set. Try instead *REMOVING* the line
which sets that flag.

> This helped a bit, but after a few serial transfers I got the same
> bug again.

Of course. You didn't change anything.

To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at
Please read the FAQ at