BusyBox poweroff problem with SMP kernel

[wimpunk]

Zhiming Zhou wrote:
> I compiled a smp linux kernel to support multiple processors, and use 
> busybox 1.6.1 as root filesystem.
> The compiled linux system can be successfully started, and busybox ash 
> is started, while I typed "poweroff" in ash,
> 
> If the system run in computer with single processor; system stopped 
> while "Sending SIGTERM to all processes" was printed,
> and I found in busybox source directory/init/init.c, function 
> shutdown_system(void):
> 
> message(L_CONSOLE | L_LOG, "Sending SIG%s to all processes", "TERM");
> kill(-1, SIGTERM);
> 
> but kill function can not be proceeded, and system stopped.
> 
> But while the system run in computer with multiple processors; system 
> stopped while "Power down system" was printed, it seems out of busybox, 
> and acpi_power_off is not called.
> 
> And if I compiled my linux kernel without CONFIG_SMP configed, and use 
> the same busybox root file system, there was none poweroff problems in 
> my system.
> 
> ------------------------------------------------------------------------------ 
> 
> So, I want to know is there someone successfully use busybox to poweroff 
> computer with SMP kernel? And what is the possible reason of my problem?
> 
> Thanks
> 
> 


Referring to a previous post: try the -f option.  I'm just curious if
that one works...

wimpunk.