Re: calling context when writing to tty_driver

From: Paul Mackerras (paulus@samba.org)
Date: Tue Oct 01 2002 - 18:20:16 EST


Greg KH writes:

> On Tue, Oct 01, 2002 at 12:37:42PM +0200, Martin Diehl wrote:
> >
> > Hi,
> >
> > just hitting another "sleeping on semaphore from illegal context" issue
> > with 2.5.39. Happened on down() in either usbserial->write_room() or
> > usbserial->write(), when invoked from bh context.
>
> Can you send me the whole backtrace? I'm curious as to who is calling
> those functions from bh context.

PPP will do that.

Paul.
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