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@. 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!
--
Niclas
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