Heikki Linnakangas wrote: > On 05/18/2014 12:23 AM, Tom Lane wrote: > >A larger issue is that we evidently have no buildfarm animals that are > >picky about alignment, or at least none that are running a modern-enough > >buildfarm script to be running the contrib/logical_decoding test. > >That seems like a significant gap. I don't want to volunteer to run > >a critter on my HPPA box: it's old enough, and eats enough electricity, > >that I no longer want to leave it on 24x7. Plus a lot of the time its > >response to a bus error is to lock up in a tight loop rather than report > >an error, so a failure wouldn't get reported usefully by the buildfarm > >anyway. Does anyone have an ARM or PPC box where they can configure > >the kernel not to mask misaligned fetches? > > I did "echo 4 > /proc/cpu/alignment" on chipmunk - let's see what it > crops up. > > In quick testing with a little test program, it looks like an > unaligned access to a 32-bit int still works without error. But an > unaligned access to a 64-bit "long long" causes a SIGBUS now.
There seems to have been no failure here, FWIW. -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
