[Reproducible-builds] Bug#806911: Bug#806911: Second build on failures

[Holger Levsen]

Hi,

On Mittwoch, 23. Dezember 2015, Aurelien Jarno wrote:
> > I have to admit, I cannot follow:
> > - if this is fixed, why is 806911 still open?
> The "bug" is still there, just not triggerable anymore on amd64 and
> i386. 

ok

> I use "bug" as when faking the kernel version to change the result
> of versions comparisons, one should expect the result of such
> comparisons to be wrong.

Again, can't follow. Surely tests testing for kernel >= 3.0 will fail or is 
that what you ment?

> > - also, the hosts runs jessie and this is where we run linux64 on and
> > from, so how are changes in sid+testing relevant in our setup anyway?
> > (actually we run jessie, sometimes with jessie kernels and and on some
> > other hosts with bpo kernels or even never…)
> 
> The host might runs jessie, but from the bug report I understood the
> bug happened in a testing or sid chroot.

yes (with pbuilder chroots)
 
> > - why did you 2.6._32_ mention at all, and not "2.6" (or maybe 2.6.56)?
> 
> We lowered the minimum required kernel version to 2.6.32 instead of 3.2
> on amd64 and i386. When comparing kernel versions with the uname26
> personality, we have the following relations when the minimum kernel
> version is 2.6.32:
> - 3.x kernels aka 2.6.40+x > 2.6.32, this works
> - 4.x kernels aka 2.6.60+x > 2.6.32, this works
> 
> However when the minimum kernel version is 3.2:
> - 3.x kernels aka 2.6.40+x < 3.2, this do not work
> - 4.x kernels aka 2.6.60+x < 3.2, this do not work

I cant follow. Probably this is because I fully expect this to happen… but 
somewhere in between I must be lost… or are you talking about build 
requirements for libc itself?

> > - and, finally, in conclusion, is it safe to enable building with
> > "linux64 -- uname2.6" again?
> On amd64 and i386 it should be safe.

Guess I will try then.


cheers,
	Holger
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