well, the 2nd try didn't work either... I suppose this attempt to use a
reply to get the content into the archives will just make me look even
more inept :|

On 30-Dec-10 01:00, Greg Walton wrote:
> Oops.. in the mail archives, my previous email shows up as cutoff after the
>  first paragraph so I'm resending it:
>
> I have further narrowed my test case for arm alignment issues, I've
> commented out the pacemaker service from corosync.conf and am able to
> produce my bus error using the testcpg  executable.
>
> From what I've learned of how the dispatch stuff works, and what I saw
> with my previous debugging of pacemaker/crmd core files, it seems that
> the first ipc message is always aligned ok in
> ipc_instance->dispatch_buffer, since the original mmap() returned
> aligned memory of dispatch_size(for both chunks in circular_mmap).
>
> But, when there is a second ipc message written after the first one, at
> an index of ipc_instance->control_buffer->read bytes into the original
> dispatch_buffer mmap'd memory, the index in bytes is basically  the
> length of the first message which means the second message is not
> aligned properly for access on my arch.
>
> To sum up my findings, it seems that ipc_instance->dispatch_buffer needs
> to have the start of each additional message (after the first one)
> aligned . Or, am I just not understanding what's going on?
>
> Another question is whether the preference would be to ignore arm arch
> alignment issues with flatiron and focus on the new libqb stuff on arm?
>
> Greg
>
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