On Thursday 21 February 2008, Tom Lane wrote: > mysql is currently failing to build in rawhide on ppc, with symptoms > that indicate a problem in its code for detecting how much stack space > remains available. The latest example is > http://koji.fedoraproject.org/koji/taskinfo?taskID=446073 > > I've been fighting this for more than a month with no success in > isolating the problem. In order to have enough access to poke at it > with gdb, I recently decided to resort to installing rawhide on an old > Mac laptop I wasn't doing anything with ... and behold, mysql builds > and passes its regression tests just fine! So now I don't know what > to think. It seems that either koji is running on RHEL5 you you would need to do a mock build with a rawhide chroot on a RHEL5 host. > (1) the koji environment doesn't match a rawhide install, or > (2) there's a relevant hardware difference between my poor old > Powerbook G3 and the PPC machines in the koji build farm. > > Since the problem has been present in Koji since at least early January, > while my Mac worked both just after an F9-Alpha install and after a > subsequent "yum update" to yesterday's rawhide, it's not just a matter > of being slightly out of sync on package versions. Whatever's busted > has been so for awhile. Its probably something in the RHEL kernel on the host. > I'd appreciate any hints on where to look or what to try next. In > particular, are there any real details available on the machines in > the build farm, such as exact CPU types? the ppc builders are all IBM power5 machines Dennis
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