[petsc-users] SuperLU_dist issue in 3.7.4

[Xiaoye S. Li]

Which version of superlu_dist does this capture?   I looked at the original
error  log, it pointed to pdgssvx: line 161.  But that line is in comment
block, not the program.

Sherry


On Mon, Oct 10, 2016 at 7:27 AM, Anton Popov <popov at uni-mainz.de> wrote:

>
>
> On 10/07/2016 05:23 PM, Satish Balay wrote:
>
>> On Fri, 7 Oct 2016, Kong, Fande wrote:
>>
>> On Fri, Oct 7, 2016 at 9:04 AM, Satish Balay <balay at mcs.anl.gov> wrote:
>>>
>>> On Fri, 7 Oct 2016, Anton Popov wrote:
>>>>
>>>> Hi guys,
>>>>>
>>>>> are there any news about fixing buggy behavior of SuperLU_DIST, exactly
>>>>>
>>>> what
>>>>
>>>>> is described here:
>>>>>
>>>>> https://urldefense.proofpoint.com/v2/url?u=http-3A__lists.
>>>>>
>>>> mcs.anl.gov_pipermail_petsc-2Dusers_2015-2DAugust_026802.htm
>>>> l&d=CwIBAg&c=
>>>> 54IZrppPQZKX9mLzcGdPfFD1hxrcB__aEkJFOKJFd00&r=DUUt3SRGI0_
>>>> JgtNaS3udV68GRkgV4ts7XKfj2opmiCY&m=RwruX6ckX0t9H89Z6LXKBfJBOAM2vG
>>>> 1sQHw2tIsSQtA&s=bbB62oGLm582JebVs8xsUej_OX0eUwibAKsRRWKafos&e=  ?
>>>>
>>>>> I'm using 3.7.4 and still get SEGV in pdgssvx routine. Everything works
>>>>>
>>>> fine
>>>>
>>>>> with 3.5.4.
>>>>>
>>>>> Do I still have to stick to maint branch, and what are the chances for
>>>>>
>>>> these
>>>>
>>>>> fixes to be included in 3.7.5?
>>>>>
>>>> 3.7.4. is off maint branch [as of a week ago]. So if you are seeing
>>>> issues with it - its best to debug and figure out the cause.
>>>>
>>>> This bug is indeed inside of superlu_dist, and we started having this
>>> issue
>>> from PETSc-3.6.x. I think superlu_dist developers should have fixed this
>>> bug. We forgot to update superlu_dist??  This is not a thing users could
>>> debug and fix.
>>>
>>> I have many people in INL suffering from this issue, and they have to
>>> stay
>>> with PETSc-3.5.4 to use superlu_dist.
>>>
>> To verify if the bug is fixed in latest superlu_dist - you can try
>> [assuming you have git - either from petsc-3.7/maint/master]:
>>
>> --download-superlu_dist --download-superlu_dist-commit=origin/maint
>>
>>
>> Satish
>>
>> Hi Satish,
> I did this:
>
> git clone -b maint https://bitbucket.org/petsc/petsc.git petsc
>
> --download-superlu_dist
> --download-superlu_dist-commit=origin/maint (not sure this is needed,
> since I'm already in maint)
>
> The problem is still there.
>
> Cheers,
> Anton
>
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