Re: suspend kills serial wacom tablet

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Bjorn Helgaas wrote:
On Monday 16 April 2007 15:18, Dmitry Torokhov wrote:
As far as I understand Marco has a serial Wacom table. There is no
in-kernel driver for serial wacoms, they are handled entirely in
userspace (X).

Duh.  Thanks for straightening me out.  If I'd bothered to read the
subject line, I would have been much less confused :-)

Marco, since the kernel correctly detects your serial port, you should
not need "setserial."

I'm curious about the hang you saw when doing "cat /dev/ttyS0".  I
would expect the "cat" to block until the tablet sends data.  But
it should not affect the rest of the system, and you should be able
to kill the "cat."  Are you observing something different?
Thank you all for keeping an interest in this issue,

Yes. I am using my laptop right now, and as it has gone to sleep, so the pen tablet does not work.

When I "cat /dev/ttyS0" and move the pen on the tablet there is no output. I do not get the hang that I reported before. I apologize if that was erroneous but I definitely remember the laptop hanging. Anyway now, I can ^C and get out of the cat.

I promise to run the tests with the new kernel and the debug lines that Dimitry asked for very soon.

--
Marco
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