On Thu, Nov 10, 2016 at 02:55:15PM -0800, Joe Stringer wrote:
> On 10 November 2016 at 13:42, Ben Pfaff <[email protected]> wrote:
> > On Thu, Nov 10, 2016 at 01:28:22PM -0800, Joe Stringer wrote:
> >> Previously, if vswitchd aborted then the log message would only be
> >> printed to stderr, which may be hidden depending on how OVS is run.
> >> Use vlog as well so that the error shows up in the logs.
> >>
> >> Signed-off-by: Joe Stringer <[email protected]>
> >
> > We should only use ovs_abort() in cases where it's potentially risky to
> > call into vlog.  Otherwise we should use vlog_abort().
> >
> > It's easy to choose wrong.  Do you see some places where we got it wrong?
> 
> I was debugging some locking stuff with some WIP code and found that
> when pthread returns errors, the logs would provide no details on the
> termination. I suppose that in such cases we treat it as being risky
> to use vlog (because vlog also does some locking). In that case,
> atleast I understand the reasoning, could drop this patch.

That was my reasoning, at any rate.  I'm worried about deadlocks.
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