On 05/07/2012 03:07 PM, Alexander Larsson wrote:
I just wrote a new Feature proposal for shipping minimal debug info by
default:
https://fedoraproject.org/wiki/Features/MiniDebugInfo
The feature page lists some of the background and statistics. It also
lists some options in how to implement this, which all have various
different pros and cons. I'd like to hear what peoples opinions on these
are.
My personal opinion is that we should go with compressed data, in the
original files without the line number information. This means we use
minimal space (i.e. an installation increase by only 0.5%) while being
completely transparent to users. It does however make the normal
packages larger in a non-optional way which some people disagree with.
There is so many questions and opinions in this thread I can't just
reply to all of them, so I'll try to sum it here:
The privacy concerns: yes, uploading corefile might be dangerous, that's
why there is the other possibility of downloading the debuginfo and
generating the backtrace locally, but as it seems many users trust us
and use the retrace server as you can see from the stats:
http://retrace.fedoraproject.org/stats
Appart from that I see two questions here:
1. Whether to add the minidebuginfo in Fedora
2. Whether to use this stripped backtrace when reporting a bug.
For 1: The decision to use it or not should be based on some real-life
tests like "how it impacts the current gnome/kde live cd" or other
spins. If the additional payload is really small then I don't see a
problem here (but I'm glad the decision is not mine ;))
For 2: At this point (F18 timeframe) probably not. From ABRT point of
view the minidebug is not a problem at all if we can use gdb to generate
some backtrace using the mindebuginfo. But what matters are developers
who will need to deal with this stripped backtrace and I can guarantee
that there will be many unhappy devels. And also the ABRT server
projects rely on the coredumps:
http://git.fedorahosted.org/git?p=abrt.git;a=blob_plain;f=doc/project/abrt.pdf;hb=HEAD
And once put into life these server side projects will be a great help
in bugfixing.
As for the bandwidth limitations when using ABRT - I hope Lennart's core
stripping library might help here.
--Jirka
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