Re: [Resend][2.6.27-git-a447c093244] BUG: spinlock bad magic onCPU#0, setserial/3527

[Alan Cox]

On Mon, 13 Oct 2008 16:10:14 -0700 (PDT)
Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> 
> If this started today, then the most likely culprit is Alan's series of 80 
> serial patches.
> 
> Alan? I can only assume it's one of the
> 
> 	spin_lock_irq(&up->port.lock);
> 
> in serial8250_startup() (or quite likely in one of the functions it calls 
> that get inlined by the compiler, like enable_rsa()).
> 
> And it sounds like it didn't get initialized.

Yeah I know whats going on I think. When I dropped out the NR_IRQ changes
I didn't drop back in the spin lock init. Will sort it tomorrow (actually
'later today' as its midnight here)

Alan
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