Messages in this thread | | | Subject | Re: 8250 serial console fixes -- issue | From | Krzysztof Halasa <> | Date | Tue, 07 Feb 2006 23:23:54 +0100 |
| |
Russell King <rmk+lkml@arm.linux.org.uk> writes:
> In that case the problem is unsolvable. What if I named a process > > \n+++ATH0\n > > ? Oh dear, your modem just hung up. Or maybe: > > \n+++AT&C0\n > > and now your modem always sets DCD active, so even with detection of DCD > in the kernel, I can now talk to it via process names after I've forced > it to disconnect. > > And yes, there's modems out there which accept that and act on the '+++' > immediately - no pause after '+++' required.
Correct, but the escape character can usually be disabled with ATS2=128 or something like that.
The problem was common some time ago with people putting X-header: +++ATH\n (or was that +++ATH\r ?) in mail headers. -- Krzysztof Halasa - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |