On Sat, Nov 11, 2006 at 12:43:52PM +0100, Marc Haber wrote:
> since a few kernel versions (I unfortunately do not have logs going
> back more than two months, 2.6.17.13), the serial port on my hp compaq
> nc8000 is not working any more.
>
> The Linux kernel logs "ttyS0: LSR safety check engaged!" whenever I
> try to use the port. Googling for this error message suggests that the
> port may either not be present or broken. I can confirm that both are
> not the case: The port is present and works fine both on Windows and
> with an older Knoppix version using a very old 2.6 kernel (I think
> 2.6.4).
>
> Is it possible that a moderately recent update to the driver is
> broken?
The issue was udev loading smsc_ircc2. As soon as smsc_ircc2 is
loaded, the serial port shows the behavior listed above. Unloading the
module does not help, a reboot is needed.
I have now solved the issue locally by blacklisting smsc_ircc2 and
hope that I didn't break anything in this process.
Greetings
Marc
--
-----------------------------------------------------------------------------
Marc Haber | "I don't trust Computers. They | Mailadresse im Header
Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834
Nordisch by Nature | How to make an American Quilt | Fax: *49 621 72739835
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
