On Tue, Sep 30, 2014 at 04:33:35PM -0400, Alan McKay wrote:
> On Tue, Sep 30, 2014 at 4:21 PM, Stuart Henderson <[email protected]> 
> wrote:
> > binpatchng can help you with this process.
> 
> I will have to look into that
> 
> > But note that -stable sometimes has extra commits that don't have errata;
> > release+patches is not quite the same thing as -stable.
> 
> Can you give 1 or 2 examples?

They happen whenever a fix is backported but not deemed critical enough 
or in wide enough use for errata.  Here's the first two I found in 5.5-stable,
there may be others but I stopped looking, since you just wanted a couple
of examples.

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CVSROOT:        /cvs
Module name:    src
Changes by:     [email protected]    2014/09/07 13:41:51

Modified files:
        sys/dev/pci    : Tag: OPENBSD_5_5 virtio.c virtiovar.h 

Log message:
Fix hang with virtio event_idx feature

backported from current virtio.c 1.6 / virtiovar.h 1.5:

date: 2014/06/15 11:18:39;  author: sf;  commitid: 8b7wbadq7EgTO3mO;

When using the RING_EVENT_IDX feature, we must first call publish_avail_idx()
and then read VQ_AVAIL_EVENT(vq), or there is a race condition that may cause
us to miss that the host needs to be notified.  This resulted in an occasional
hang of network in vio(4).

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VSROOT: /cvs
Module name:    src
Changes by:     [email protected]    2014/04/20 18:30:48

Modified files:
        usr.bin/ssh    : Tag: OPENBSD_5_5 bufaux.c compat.c compat.h 
                         sshconnect2.c sshd.c version.h 

Log message:
MFC:

reliability fix for OpenSSH using [email protected] key
exchange method.

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