On Fri, 12 Jan 2007 15:58:04 +0100 (MET), Oliver Neukum <[EMAIL PROTECTED]> 
wrote:

> "J" and I discovered some races in usb-serial, this series fixes some of
> them. "J" has made additional patches that fix some more races.
> I haven't tested this due to lack of hardware. I consider this material
> for 2.4.21. []

I mean to look this over but between this and that there's no time.
I hope to get to it when I'm back from Australia.

The patches seem to be for 2.6 series and not 2.4. BTW, I wrestled with
much the same issues in 2.4, so it has a substantial fork now. Oh well.

You what will really throw wrench into your works? Try to configure
getty on the ttyUSB0. This is how you get ->write method called on a
real interrupt context when low latency is set. Even PPP bounces interrupts
to a softirq, so you can't test for lock recursion without getty.

Later,
-- Pete

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