Another "wait_fences: failed to receive reply" Question (UIAlertView)

Question

There are a number of questions regarding the "wait_fences: failed to receive reply" on this forum already, but none of the proposed solutions work for me (although they did help me to mitigate it).

When my app starts up, I do a reachability check, and if I can't reach the host I'm looking for, I pop up a UIAlertView. Initially I was doing this before I even set up the view controller, but then I learned one of the causes of the "wait_fences" problem is that the responder chain isn't properly set up if you haven't displayed a view yet - so I moved everything down into -viewDidAppear. Basically, this is what I have:

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];

    // Figure out what the reflections name is, then check to see if it can find it online;
    // If it can't, -informUserSiteIsNotReachable is called, below
    [self retrieveReflectionByName:self.todaysReflectionName];

    [self displayReflectionByName:self.todaysReflectionName];
}

- (void)informUserSiteIsNotReachable 
{
    SEL messageSelector;

    if (NO == [self internetIsReachable]) {
        messageSelector = @selector(internetNotAccessible);
    } else {
        messageSelector = @selector(reflectionsSiteNotAccessible);
    }
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:[Strings alertViewTitleWhenSiteIsUnreachable] message:[Strings performSelector:messageSelector]  delegate:self cancelButtonTitle:@"OK" otherButtonTitles:NULL];
    [alert show];
    [alert release];
}

I can't seem to get rid of the wait_fences problem: any suggestions?