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Re: Help needed with printing bug
From: |
Ben Abbott |
Subject: |
Re: Help needed with printing bug |
Date: |
Mon, 04 May 2015 10:10:49 -0400 |
> On May 4, 2015, at 10:03 AM, Ben Abbott <address@hidden> wrote:
>
>> On May 4, 2015, at 9:40 AM, John W. Eaton <address@hidden> wrote:
>>
>> I need help fixing this bug:
>>
>> https://savannah.gnu.org/bugs/?44916
>>
>> I am unable to duplicate the problem, but have narrowed it down somewhat.
>> The issue seems to be that when gl2ps gathers the info it needs to draw the
>> plot from OpenGL, some of the data points are not correct. Apparently
>> printing worked in 3.8.2 but fails now. I tried undoing all the changes to
>> the gl2ps rendering code that have been made since 3.8.2 but am told that
>> did not solve the problem.
>>
>> I thought perhaps we had changed the options for gl2ps or OpenGL in some way
>> that triggered the bug. But now I'm just clueless about what the problem
>> could be, other than a driver issue, especially since the problem seems to
>> appear on some systems but not others.
>>
>> Maybe someone else has a better plan, but the only thing I can think of now
>> to debug this is to bisect and try to determine which changeset introduced
>> the problem. But that will be a somewhat painful process as I'm unable to
>> test whether a given changeset is good or bad myself.
>>
>> So, first I need someone who can duplicate the error and who is willing to
>> run a simple test for me. We would do something like
>>
>> 1. I build a binary
>> 2. You download and test it and report the result
>> 3. I bisect and go to 1 until we find the bad changeset
>>
>> Given that there have been thousands of changes committed between 3.8.x and
>> now, I guess this could take 12 iterations or so.
>>
>> jwe
>
> I have a windows box which I can experiment with. I don’t know if it will
> exhibit the bug, but I can try.
>
> Ben
I see that the windows binary for rc4 is available at alpha.gnu.org. I’m
downloading now.
Ben
- Help needed with printing bug, John W. Eaton, 2015/05/04
- Re: Help needed with printing bug, Ben Abbott, 2015/05/04
- Re: Help needed with printing bug,
Ben Abbott <=
- Re: Help needed with printing bug, Ben Abbott, 2015/05/04
- Re: Help needed with printing bug, Martin Kunz, 2015/05/04
- Re: Help needed with printing bug, John W. Eaton, 2015/05/04
- Re: Help needed with printing bug, Doug Stewart, 2015/05/04
- Re: Help needed with printing bug, Martin Kunz, 2015/05/04
- Re: Help needed with printing bug, Doug Stewart, 2015/05/04
Re: Help needed with printing bug, Dmitri A. Sergatskov, 2015/05/04