On Thu, 2007-07-26 at 09:25 +0000, Daniel Schnell wrote:
> Thomas Gleixner wrote:
>
> > On Wed, 2007-07-25 at 13:42 -0600, Grant Likely wrote:
> >> On 7/25/07, Thomas Gleixner <[EMAIL PROTECTED]> wrote:
> >>> The port lock needs to be dropped across the tty_flip_buffer call,
> >>> as it would lead to a deadlock with the spin_lock(&port->lock) in
> >>> uart_start()
> >>>
> >>> Uncovered by lockdep / preempt-rt
> >>>
> >>> Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
>
> While you are at it 8°> ... the mpc5200-fec driver has serious
> problems with preempt-rt, similar to what the IBM emac had ....
Care to whip up a patch ?
tglx
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