> Am 26.06.2014 um 09:55 schrieb Nikunj A Dadhania <nik...@linux.vnet.ibm.com>: > > Alexander Graf <ag...@suse.de> writes: > >>> On 25.06.14 13:27, Nikunj A Dadhania wrote: >>> Alexander Graf <ag...@suse.de> writes: >>> >>> Let me put down my understanding: >>> >>> There are two possible way to handle kernel panic: >>> 1) Kdump service running in guest - already working >>> 2) Pass the kernel panic information to hypervisor - not there in Qemu >>> pseries >>> >>> So without kdump service running, if linux kernel hits a panic, its going >>> to check os-term and extended-os-term, only then its going to call >>> os-term. >> >> It's checking both for a reason. Find that reason. > > Here is what I figured out from PAPR: > > rtas ibm,os-term, does not gaurantee a return back to the guest cpu. > > If ibm,extended-os-term property is set rtas call return will always > occur.
With your patch it doesn't occur. Alex > > Regards > Nikunj >