* Willy Tarreau <[EMAIL PROTECTED]> wrote:

> Checking 'hlt' instruction... OK.                                             
>   
> Freeing SMP alternatives: 0k freed                                            
>   
> net_namespace: 64 bytes                                                       
>   
> NET: Registered protocol family 16                                            
>   
> -----> hangs here <-----

just a hint: this is near the first piece of code that makes active use 
of a timer wakeup, on a typical x86 bootup. So sometimes if timers are 
not working at all, hangs happen around here. But the PCI related thing 
you suspect could be the reason too. Getting a SysRq-T or an NMI 
printout (if that's possible) of the hung site would be nice.

        Ingo
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