Quoting Lennart Sorensen (2014-11-26 16:53:44) > On Tue, Nov 25, 2014 at 04:35:52PM -0500, wrote: > > Hmm, interesting, I can try and see if I can reproduce it on more systems. > > > > So the machine I was building on is an IBM x3650 with 2 quad core 2.5GHz > > xeons. Kernel is amd64, userspace is i386 wheezy, chroot is i386 jessie > > buildd variant. > > > > So I just tried some more tests. > > > > jessie-amd64 on sid-amd64: works > > jessie-i386 on sid-amd64: works > > jessie-i386 on wheezy-i386(with amd64 kernel): fails > > Same chroot copied to a sid machine (so 3.16 kernel instead of 3.2 kernel: > > works > > > > It would appear that pytest fails on python 3.4.2 when the underlying > > kernel is 3.2 for some reason that I can't even imagine what is. > > > > I will try upgrading the kernel on our build machine to the > > wheezy-backprot of 3.16 and see if that solves the problem and report > > back. > > So to confirm I did this: > > Create a VM with a fresh wheezy install. > Create a jessie chroot with debootstrap. > Try building pytest. > It fails. > Upgrade wheezy kernel to 3.16 from wheezy-backports. > Try building pytest in chroot again. > It passes. > > So the problem is caused by running on the 3.2 wheezy kernel. > > So weird as that is, I think the bug can be closed. No idea if this > is a bug in the old kernel, or glibc, or python 3.4, with one of them > making some assumption about kernel behaviour based on the linux-libc-dev > headers they were built against. I suppose it means there is a chance a > system upgrading from wheezy to jessie could have some issues with running > python3 stuff in some cases until it is rebooted to the jessie kernel, > although that would probably be recommended to do as soon as possible > anyhow.
I think we should downgrade it and maybe tag it moreinfo, but it shouldn't be closed. The case of a Jessie kernel on a machine running a kernel that is not Jessie's is a valid use case IMHO. Not that I'm volunteering to track down and fix it! Cheers, Simon
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