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Date:      Thu, 20 Apr 2017 10:35:06 +0800
From:      Julian Elischer <julian@freebsd.org>
To:        Justin Hibbits <jrh29@alumni.cwru.edu>, rgrimes@freebsd.org
Cc:        John Baldwin <jhb@freebsd.org>, Slawa Olhovchenkov <slw@zxy.spb.ru>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, src-committers <src-committers@freebsd.org>
Subject:   Re: svn commit: r317094 - head/share/mk
Message-ID:  <52e09270-6535-d15e-de9b-c33a4fd62210@freebsd.org>
In-Reply-To: <CAHSQbTCF_JAkubQuBi=9nDVr79KjpLnbCMhjjSW1J9n1gDchcg@mail.gmail.com>
References:  <1709565.BYcnqjiFaR@ralph.baldwin.cx> <201704191633.v3JGXWmu031427@pdx.rh.CN85.dnsmgr.net> <CAHSQbTCF_JAkubQuBi=9nDVr79KjpLnbCMhjjSW1J9n1gDchcg@mail.gmail.com>

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On 20/4/17 3:13 am, Justin Hibbits wrote:
> On Wed, Apr 19, 2017 at 11:33 AM, Rodney W. Grimes
> <freebsd@pdx.rh.cn85.dnsmgr.net> wrote:
>>> On Wednesday, April 19, 2017 01:28:37 AM Slawa Olhovchenkov wrote:
>>>> On Tue, Apr 18, 2017 at 12:45:25PM -0700, John Baldwin wrote:
>>>>
>>>>> On Tuesday, April 18, 2017 07:30:13 PM Slawa Olhovchenkov wrote:
>>>>>> On Tue, Apr 18, 2017 at 04:27:48PM +0000, John Baldwin wrote:
>>>>>>
>>>>>>> Author: jhb
>>>>>>> Date: Tue Apr 18 16:27:48 2017
>>>>>>> New Revision: 317094
>>>>>>> URL: https://svnweb.freebsd.org/changeset/base/317094
>>>>>>>
>>>>>>> Log:
>>>>>>>    Disable in-tree GDB by default on x86, mips, and powerpc.
>>>>>>>
>>>>>>>    GDB in ports contains all of the functionality as GDB in base
>>>>>>>    (including kgdb) for these platforms along with additional
>>>>>>>    functionality.  In-tree GDB remains enabled on ARM and sparc64.
>>>>>>>    GDB in ports does not currently support kernel debugging on arm,
>>>>>>>    and ports GDB for sparc64 has not been tested (though it does
>>>>>>>    include sparc64 support).
>>>>>>>
>>>>>>>    Reviewed by:        bdrewery, emaste, imp
>>>>>>>    Relnotes:   yes
>>>>>>>    Sponsored by:       DARPA / AFRL
>>>>>>>    Differential Revision:      https://reviews.freebsd.org/D10399
>>>>>> Generating core.txt now complety broken?
>>>>> No.  crashinfo has supported gdb from ports for quite a while now.
>>>>> If you 'pkg install gdb' crashinfo defaults to using the ports gdb over
>>>>> the base one already.
>>>> I am about clean install, w/o ports.
>>> Until we get some sort of klldb support that will not work.  However,
>>> we already have platforms now where /usr/bin/gdb doesn't work for that.
>>> riscv and aarch64 aren't supported in ancient gdb, and the MIPS
>>> /usr/bin/gdb didn't really work for me in my testing.
>> So we break what worked on a Tier1 Platform?  With my "user" hat on
>> these are the exact kind of breakages that send me looking for another
>> platform to run on.  We far to often just go oh you can do X y and Z
>> to get around what we broke forgetting that the user 6 months from now
>> when this hits a release isnt gona come ask, he may just go down the
>> road to something else.
>>
>> Remove gdb WHEN klldb can replace it, not a day before.  Using "oh its
>> broken on aarch64 and mips" is not a reason to break things on i386/amd64.
>>
> It's not removed, it's disabled by default now.  As the commit message
> states, gdb in ports is much more feature filled than gdb in base
>
>> Yes, I know we want to get gnu stuff out of the tree, but that needs
>> to come AFTER a proper replacement is avaliable.
>>
>>>> Also, how to generate core.txt after crash, reboot and install gdb
>>>> from ports? (port instaled after crash)
>>> You can always run crashinfo by hand.
>> /me starts to look for a new OS, this one is not very good at user support.
> I'd say this more warrants a set of "blessed" packages to include on
> install disks so we get this functionality without the extra step.

I've been pushing this idea for years..
  The idea of "critical" packages, where failure to build/work is 
regarded as much as a reason to stop-ship as a failure in the base itself.

> - Justin
>
>>
>> --
>> Rod Grimes                                                 rgrimes@freebsd.org
>>
>




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