[Skiboot] [PATCH] hmi: Fix a bug where partial hmi event was reported to host.

Mahesh Jagannath Salgaonkar mahesh at linux.vnet.ibm.com
Thu Mar 31 17:44:59 AEDT 2016


On 03/31/2016 12:07 PM, Stewart Smith wrote:
> Mahesh J Salgaonkar <mahesh at linux.vnet.ibm.com> writes:
>> From: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
>>
>> The current code sends partial hmi event (4 * 64bits instead of
>> 5 * 64bits) to host. The last 64 bits contains chip id/pir info for
>> reporting checkstop events. This bug affects only checkstop events.
>>
>> Host console o/p without this patch:
>>
>> [  305.628283] Fatal Hypervisor Maintenance interrupt [Not recovered]
>> [  305.628341]  Error detail: Malfunction Alert
>> [  305.628388] 	HMER: 8040000000000000
>> [  305.628423] 	CPU PIR: 00000000
>> [  305.628458] 	[Unit: VSU] Logic core check stop
>>
>>
>> Host console o/p with this patch:
>>
>> [  200.122883] Fatal Hypervisor Maintenance interrupt [Not recovered]
>> [  200.122941]  Error detail: Malfunction Alert
>> [  200.122986] 	HMER: 8040000000000000
>> [  200.123021] 	CPU PIR: 000008e8
>> [  200.123055] 	[Unit: VSU] Logic core check stop
>>
>> Signed-off-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
> 
> This looks like it should also go to stable too, right? As in, to 5.1.x
> and 5.2.x ?
> 

Yes.



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