AIO, SMB2 and Samba 3.6
Volker.Lendecke at SerNet.DE
Thu Feb 23 01:14:22 MST 2012
On Thu, Feb 23, 2012 at 12:05:50AM -0800, Jeremy Allison wrote:
> > Something is really fishy with the glibc aio implementation
> > on your system. I would think the EPERM is a problem. If you
> > really need this solved, we need to dig into glibc I think.
> > Alternatively, you might try the aio_pthread module.
> Isn't this the signal race that tridge found with
> glibc aio users that change uid whilst an aio is
> outstanding ? When smbd goes back to the root user
> for the whole process then the Linux thread that finishes
> doing the aio doesn't have permissions to send the
> signal the io is finished.
That sounds like what we see here. Is there a patch to glibc
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