Re: [gentoo-dev] Reviving the Sandbox project

[Patrick McLean <chutzpah@gentoo.org>]

On 2017-09-21 02:07 PM, Mart Raudsepp wrote:
> Ühel kenal päeval, N, 21.09.2017 kell 22:54, kirjutas Michał Górny:
>> W dniu czw, 21.09.2017 o godzinie 23∶33 +0300, użytkownik Mart
>> Raudsepp
>> napisał:
>>> Ühel kenal päeval, N, 21.09.2017 kell 21:56, kirjutas Michał Górny:
>>>> Hi, everyone.
>>>>
>>>> TL;DR: I'm looking for new people to resume work on sandbox, and
>>>> I
>>>> will
>>>> most likely branch it at v2.10 and start keep-alive work on top
>>>> of
>>>> that.
>>>>
>>>>
>>>> The state of our sandbox is not very well. Gentoo is currently
>>>> using
>>>> the old v2.10 with local patches. v2.11 is p.masked for a long
>>>> time
>>>> because of multiple unsolved bugs. The git repository also
>>>> includes
>>>> v2.12 tag that has not even been packaged for Gentoo. From what
>>>> I've
>>>> been able to establish, the bugs causing v2.11 mask are still
>>>> present
>>>> in git head.
>>>>
>>>> To add to this, the only person maintaining the code (vapier) has
>>>> not
>>>> touched it since March, and AFAIA he's not responding to any
>>>> contact
>>>> attempts from within Gentoo. Given this and the importance of
>>>> sandbox
>>>> to
>>>> Gentoo at the moment, I think it's reasonable to presume he's MIA
>>>> and start looking for volunteers to join the effort.
>>>>
>>>> I have already added myself to the project page [1] and I'm going
>>>> to
>>>> try
>>>> to put some effort into improving the state of things. However,
>>>> I'm
>>>> not
>>>> really an expert in the high magic used in sandbox. If anyone is
>>>> interested in helping out, feel free to add yourself as well.
>>>>
>>>>
>>>> The above considered, I don't think I'm really going to be able
>>>> to
>>>> solve
>>>> the problems introduced by v2.11. If nobody has a better idea,
>>>> I'm
>>>> going
>>>> to branch sandbox at v2.10 and look into backporting whatever's
>>>> feasible
>>>> and resuming development in hotfix mode on top of that.
>>>
>>> Do you have a handy list of problems with v2.11?
>>> Perhaps all is well for Gentoo usages after the more ptrace-happy
>>> fallbacking commit (apparently was needed by ChromeOS) is reverted
>>> if
>>> ptrace-path problems don't get fixes?
>>>
>>
>> There are two bugs listed in p.mask reason. There's a lot of bugs on
>> Bugzilla but I don't know which versions they affect.
> 
> 
> #580726 comes from the ptrace thing I mentioned. I identified the
> commit that makes it fallback to ptrace for firefox case, while it
> seemed to work fine before without fallback, and then there are issues
> in that ptrace codepath that might have always been there, but they
> just didn't get hit due to ptrace fallback being much rarer before
> this. I believe the commit hash is mentioned on the bug.
> 

I have been running sandbox-2.11 for quite awhile on my workstation, the
only problem I have actually encountered is the issue with Firefox. That
issue seems to have gone away in firefox-55 though, so I am not sure
that it is going to be relevant for much longer.

> #578582 seems to be just patrick being special and refusing to provide
> any information about the bug that no-one else hits.
> 
> Maybe if we revert that more easy ptrace fallback stuff for now, the
> rest in sandbox git master is fine (if my opendir fix gets applied
> that's only patched in via ebuild right now)?
> 
> Mart
>