RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag

[David Daney]

Olivier Galibert wrote:
> On Wed, Mar 05, 2008 at 10:43:33PM +0100, Michael Matz wrote:
>> FWIW I don't think it's a release blocker for 4.3.0.  The error is arcane 
>> and happens seldomly if at all.  And only on unfixed kernels.  A program 
>> needs to do std explicitely, which most don't do _and_ get hit by a signal 
>> while begin in a std region.  This happens so seldom that it didn't occur 
>> in building the next openSuSE 11.0, and it continually builds packages 
>> with 4.3 since months.
> 
> How would you know whether it has happened?
> 

The same way you do with other bugs: You would observe unexpected behavior.

In this case probably either corrupted memory or a SIGSEGV.

David Daney