Re: [gentoo-user] Re: Heads-up: Several kernel versions have severe EXT4 data corruption bug

[Volker Armin Hemmann <volkerarmin@googlemail.com>]

Am Donnerstag, 25. Oktober 2012, 22:04:12 schrieb Kerin Millar:
> Grant Edwards wrote:
> > On 2012-10-25, Kerin Millar<kerframil@fastmail.co.uk>  wrote:
> >> The comment you linked to was fairly bereft of technical content,
> > 
> > That "comment" was from _Ted_Ts'o_ for pete's sake.
> 
> I don't care it was from the heavens upon high. The only remark that was
> meaningful in a technical sense was the thoroughly inconclusive
> "Update", suggesting (but not establishing) that it might be related to
> certain combinations of mount options. The rest was just hand-waving
> about how it couldn't be a big deal because, if it was, "lots of people
> would have been complaining", which is denying the antecedent.
> 
> Let's separate two fundamental issues here. One issue is that of data
> corruption, which is a big deal. I'm sure most of us would agree on that
> point. That such an issue is going to generate news - and no small
> degree of discussion - is a given. People will want to know what the
> problem is and what they can do about it in order to be safe. What did
> Ted expect?
> 
> The second issue is that of the scope of the bug. This is where I took
> issue with the comment. The overall meaning of his comment could be
> interpreted as "Your collective concerns are overblown because the scope
> of this bug is minimal. Oh, and I think it may have something to do with
> these mount options which, being esoteric, nobody in their right mind
> would be using anyway so, hey, big deal."
> 
> The fact of the matter is that the investigation, even as I write this,
> is ongoing and no patch has been produced. Consider that for a moment.
> It doesn't matter how brilliant Ted is, or that you have seen fit to
> sample his mucus. Telling us all that we should be unconcerned because
> the scope is minimal *before* he and his peers have completed their
> investigation and a line been drawn under the affair was simply premature.
> 
> That the bug reporter has since demonstrated that the corruption can
> occur in kernel versions that don't include commit eeecef0af5 - kernels
> which we were previously told were not affected - only serves to
> demonstrate this point.
> 

and that ONLY two people who did some REALLY stupid stuff to stumble over that 
bug are hit by it, should tell you something. For fucks sake, if you had read 
the thread, even google uses ext4 and they did not hit it. So much about its 
likelyhood.

Bugs happen. And this bug is so not a problem.

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