System halt

Hi guys,

I facing a problem, while resuming from suspend mode.
I believe the system is going into a Halt during the resuming process.
How to deal with this ? And how to pin point from where the system
halt is occuring.

When I did some digging in MSDN I found out that, during the execution
of the
XXX_PowerUp and XXX_PowerDown Routines of each drivers, there should
not be any system calls. If so that system will perform a Halt
operation by invoking lpNkHaltSystem in OEM.

Based on this I analyzed the powerup and powerdown routines in the
driver and found that the custom battery driver (which we designed)
was invoking a DeviceIocontrol. So I moved the same functionality by
implementing the Power Manager IOCTLs in the driver. I seemed to
work...

But sometimes, again the system is halting. But I am not able to pin
point the origin of halt.
Have anyone seen such a behavior? If so can you give me some tips to
deal with this.

Now when a halt occurs, the system is calling OEMPowerOff and going
into suspend.


--
Thanks & regards,
Vaisakh P S
Accord Software System Pvt. Ltd,
Bangalore
.

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