svn commit: r224842 - head/sys/kern

Niclas Zeising niclas.zeising at
Sun Aug 14 20:07:08 UTC 2011

On 2011-08-14 20:14, Robert Watson wrote:
> On Sun, 14 Aug 2011, Niclas Zeising wrote:
>>>   When falloc() was broken into separate falloc_noinstall() and
>>> finstall(),
>>>   a bug was introduced in kern_openat() such that the error from the
>>> vnode
>>>   open operation was overwritten before it was passed as an argument to
>>>   dupfdopen().  This broke operations on /dev/{stdin,stdout,stderr}. 
>>> Fix
>>>   by preserving the original error number across finstall() so that
>>> it is
>>>   still available.
>> It might be worth mentioning this in UPDATING or similar, since a
>> kernel built with clang (I haven't tried gcc) during this window will
>> make it impossible to do a buildworld without first rebuilding the
>> kernel with this fix. It also seems to break at least portsnap, and
>> possibly other tools as well.
> I've queued an update request for UPDATING to re at .  I'm not sure that
> the gcc case was affected (which is to say: I'm not sure I've seen
> reports of it), but I don't know whether I've specifically tested that
> case.  I can go back and test it, but it seems easiest to instead just
> advise people to skip those revs entirely.
> Robert

Thank you very much!


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