[Bug 84627] (bisected) 32bit corruption with PIPE_USAGE_STREAM reverted

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84627

--- Comment #22 from Michel Dänzer <michel at daenzer.net> ---
(In reply to smoki from comment #20)
> (In reply to Michel Dänzer from comment #19)
> > Running a 64 bit kernel is by definition not a 'pure 32 bit' OS.
> 
>  I run 32bit pae kernel on 32bit OS of course, but just tried there 64bit
> kernel in hope that might help, but nope.

What I meant is that there's no fundamental difference between doing that and
running 32 bit apps in a 64-bit distro installation.

To clarify though, for that test did you install a
linux-image-*-amd64_*_i386.deb in the 32-bit install, or did you manually copy
the kernel from the 64-bit install? If the former, can you also try the latter
to rule out any difference between the *_i386.deb and *_amd64.deb?


> So on pure 32bit OS one there are these problems, on 64bit one where i run
> multiarch (32bit) so the same 32bit programs, there is no corruption. 

So you need to isolate what exactly makes the difference. If it's not the
kernel and not 'the stack' (what does that mean exactly?), what is it?

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