PCFactorSetLevels does not work?!

[Zhifeng Sheng]

Barry Smith wrote:

>   Are you calling the PCFactorSetLevels() on the prec where the
>ICC is being used. For example if your * below means 
>-sub_pc_factor_levels then you need to use
>PCBJacobiGetSubKSP() then get the PC out of that that subksp
>and call the PCFactorSetLevels() on that
>
>  Barry
>
>
>On Wed, 31 Oct 2007, Zhifeng Sheng wrote:
>
>  
>
>>Dear all
>>
>>I have a weird problem.
>>
>>In my programme, I try to use ICC(K), while I set the factor level with
>>
>>PCFactorSetLevels(prec, 4);
>>
>>However this does not work.
>>
>>Then I run the executable with the option *-pc_factor_levels 4, it works... 
>>Can someone tell me why this is happenning?
>>
>>Thank you
>>
>>Best regards
>>Zhifeng Sheng
>>*
>>
>>
>>    
>>
>
>  
>
Dear all

I figured out the reason .... DO NOT use KSPSetUP() before you 
configurate you solver and preconditioners, otherwise, your 
configuration shall be ignored.

Best regards
Zhifeng