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From: Christian Couder <christian.couder@gmail.com>
To: "Оля Тележная" <olyatelezhnaya@gmail.com>
Cc: Jeff King <peff@peff.net>, git <git@vger.kernel.org>
Subject: Re: [PATCH v2 03/18] ref-filter: make valid_atom as function parameter
Date: Fri, 19 Jan 2018 16:48:58 +0100	[thread overview]
Message-ID: <CAP8UFD21JcERHDZz_TVX9nuw+vfE=ra19hC50fRKdMxL_5bxOg@mail.gmail.com> (raw)
In-Reply-To: <CAL21Bmnv24tc7H5w4Nm=TfYjVEYB=ykZ3iv_0JtUMODCKCwQzw@mail.gmail.com>

On Fri, Jan 19, 2018 at 1:24 PM, Оля Тележная <olyatelezhnaya@gmail.com> wrote:
> 2018-01-18 17:23 GMT+03:00 Christian Couder <christian.couder@gmail.com>:
>> On Thu, Jan 18, 2018 at 12:49 PM, Оля Тележная <olyatelezhnaya@gmail.com> wrote:
>>> 2018-01-18 9:20 GMT+03:00 Оля Тележная <olyatelezhnaya@gmail.com>:
>>>>
>>>> I think it's important to finish migrating process at first. I mean,
>>>> now we are preparing and collecting everything in ref-filter, but we
>>>> make resulting string and print still in cat-file. And I am not sure,
>>>> but maybe it will not be possible to start using new atoms in cat-file
>>>> while some part of logic still differs.
>>>
>>> I tried to make that part here:
>>> https://github.com/telezhnaya/git/commit/19a148614f1d4db1f8e628eb4e6d7c819d2da875
>>> I know that the code is disgusting and there is a memory leak :) I
>>> just try to reuse ref-filter logic, I will cleanup everything later.
>>> At first, I try to make it work.
>>> The problem is that I have segfault, and if I use gdb, I get:
>>>
>>> Program received signal SIGSEGV, Segmentation fault.
>>> 0x0000000000000000 in ?? ()
>>
>> Make sure that you compile with debug options like -g3. For example I use:
>>
>> $ make -j 4 DEVELOPER=1 CFLAGS="-g3"
>
> Is it OK that I get different test results with simple make and with
> make with all that flags?
> Have a code: https://github.com/telezhnaya/git/commits/catfile
> I do:
>
> olya@ubuntu17-vm:~/git$ make install
> olya@ubuntu17-vm:~/git$ cd t
> olya@ubuntu17-vm:~/git/t$ ./t1006-cat-file.sh
>
> And I have 17 tests broken.
> Then, without any changes in code, I do:
>
> olya@ubuntu17-vm:~/git$ make -j 4 DEVELOPER=1 CFLAGS="-g3" install
> olya@ubuntu17-vm:~/git$ cd t
> olya@ubuntu17-vm:~/git/t$ ./t1006-cat-file.sh
>
> And there is 42 tests broken.
> And it's really hard to search for errors in such situation.

Some segfaults and other memory issues might happen or not happen
depending on how the code has been compiled. I think that if you fix
all the memory related issues, the behavior should be the same.

  reply	other threads:[~2018-01-19 15:49 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-09 13:05 [PATCH 01/20] cat-file: split expand_atom into 2 functions Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 16/20] cat-file: get rid of expand_atom_into_fields Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 03/20] cat-file: rename variables in ref-filter Olga Telezhnaya
2018-01-09 22:04   ` Junio C Hamano
2018-01-10  7:07     ` Оля Тележная
2018-01-09 13:05 ` [PATCH 18/20] cat-file: add split_on_whitespace flag Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 09/20] cat-file: get rid of goto in ref-filter Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 20/20] cat-file: make cat_file_info variable independent Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 15/20] cat-file: start reusing populate_value Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 17/20] cat-file: add is_cat flag in ref-filter Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 06/20] cat-file: start migrating to ref-filter Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 07/20] cat-file: reuse parse_ref_filter_atom Olga Telezhnaya
2018-01-09 23:32   ` Junio C Hamano
2018-01-09 13:05 ` [PATCH 08/20] cat-file: remove unused code Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 10/20] cat-file: simplify expand_atom function Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 05/20] cat-file: move struct expand_data into ref-filter Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 04/20] cat-file: make valid_atoms as a function parameter Olga Telezhnaya
2018-01-09 22:16   ` Junio C Hamano
2018-01-09 13:05 ` [PATCH 02/20] cat-file: reuse struct ref_format Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 11/20] cat-file: get rid of duplicate checking Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 14/20] cat-file: make populate_value global Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 13/20] cat-file: start use ref_array_item struct Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 12/20] cat-file: rename variable in ref-filter Olga Telezhnaya
2018-01-09 13:05 ` [PATCH 19/20] cat-file: move skip_object_info into ref-filter Olga Telezhnaya
2018-01-10  9:36 ` [PATCH v2 01/18] cat-file: split expand_atom into 2 functions Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 10/18] cat-file: get rid of duplicate checking Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 14/18] ref-filter: get rid of expand_atom_into_fields Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 09/18] cat-file: simplify expand_atom function Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 04/18] cat-file: move struct expand_data into ref-filter Olga Telezhnaya
2018-01-15 21:44     ` Jeff King
2018-01-16  7:00       ` Оля Тележная
2018-01-17 21:45         ` Jeff King
2018-01-18  5:56           ` Оля Тележная
2018-01-10  9:36   ` [PATCH v2 06/18] ref-filter: reuse parse_ref_filter_atom Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 02/18] cat-file: reuse struct ref_format Olga Telezhnaya
2018-01-15 21:37     ` Jeff King
2018-01-16  9:45       ` Оля Тележная
2018-01-10  9:36   ` [PATCH v2 03/18] ref-filter: make valid_atom as function parameter Olga Telezhnaya
2018-01-15 21:42     ` Jeff King
2018-01-16  6:55       ` Оля Тележная
2018-01-17 21:43         ` Jeff King
2018-01-17 22:39           ` Christian Couder
2018-01-18  6:20             ` Оля Тележная
2018-01-18 11:49               ` Оля Тележная
2018-01-18 14:23                 ` Christian Couder
2018-01-19 12:24                   ` Оля Тележная
2018-01-19 15:48                     ` Christian Couder [this message]
2018-01-19 17:14               ` Christian Couder
2018-01-19 17:22                 ` Оля Тележная
2018-01-19 17:57                   ` Christian Couder
2018-01-19 17:23                 ` Jeff King
2018-01-19 17:31                   ` Christian Couder
2018-01-19 18:47                   ` Junio C Hamano
2018-01-19 20:12                     ` Jeff King
2018-01-10  9:36   ` [PATCH v2 13/18] cat-file: start reusing populate_value Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 12/18] ref-filter: make populate_value global Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 18/18] ref-filter: make cat_file_info independent Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 11/18] cat-file: start use ref_array_item struct Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 05/18] cat-file: start migrating to ref-filter Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 15/18] ref-filter: add is_cat flag Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 17/18] cat-file: move skip_object_info into ref-filter Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 07/18] cat-file: remove unused code Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 16/18] ref_format: add split_on_whitespace flag Olga Telezhnaya
2018-01-10  9:36   ` [PATCH v2 08/18] ref-filter: get rid of goto Olga Telezhnaya
2018-01-15 21:33   ` [PATCH v2 01/18] cat-file: split expand_atom into 2 functions Jeff King
2018-01-15 22:09     ` Jeff King
2018-01-16  7:22       ` Оля Тележная
2018-01-17 21:49         ` Jeff King
2018-01-17 23:04           ` Christian Couder
2018-01-18  6:22             ` Оля Тележная
2018-01-18  8:45               ` Christian Couder

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