Boot hangs on ips0: resetting adapter, this may take up to 5 minutes

[Scott Long]

Oleg Sharoiko wrote:
> Hello!
> 
> I'm trying to install 6.0 on IBM eServer xSeries 226 (2 CPUs, IBM 
> ServeRAID 6i). During normal boot GENERIC kernel hangs with the last 
> message being
> 
> ips0: resetting adapter, this may take up to 5 minutes
> 
> Ctrl-Alt-Del doesn't work. Pressing power button doesn't work either, 
> have to push it and wait for several seconds to switch the system off.
> 
> With hint.apic.0.disabled=1 GENERIC seems to boot fine. It's also possible 
> to boot FreeBSD/i386 when hyper-threading is enabled (4 logical CPUs) and 
> kernel has SMP option (just tried default SMP kernel). With only 2 CPUs 
> (HTT disabled) SMP kernel also hangs at the same point. FreeBSD/amd64 only 
> boots with apic disabled. This is not specific for 6.0 as RELENG_6 and 
> CURRENT also have this problem.
> 
> Could somebody please help me debugging this problem? Logs of verbose 
> boots are available at http://rsu.ru/~os/ips/ I'm ready to provide any 
> possible help needed to resolve this issue. I'd greatly appreciate any 
> help.
> 

This sounds like an interrupt routing problem.  The symptoms are similar 
to others where APIC-routed interrupts don't seem to make it to the 
active CPUs, depending on whether SMP or HTT is enabled or disabled. 
Maybe John has some insight here.

Scott