[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-ppc] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call

From: Alexander Graf
Subject: Re: [Qemu-ppc] [PATCH v2] ppc: spapr-rtas - implement os-term rtas call
Date: Thu, 26 Jun 2014 10:04:12 +0200

> Am 26.06.2014 um 09:55 schrieb Nikunj A Dadhania <address@hidden>:
> Alexander Graf <address@hidden> writes:
>>> On 25.06.14 13:27, Nikunj A Dadhania wrote:
>>> Alexander Graf <address@hidden> 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.


> Regards
> Nikunj

reply via email to

[Prev in Thread] Current Thread [Next in Thread]