The initramfs uses a different version of busybox to standard (in package busybox-initramfs) - located in /usr/lib/initramfs- tools/bin/busybox
Running this version of busybox does exhibit the error on a normal server. Checking the config in the package it appears that CONFIG_FEATURE_TEST_64 is not set for the initramfs version. ** Summary changed: - growpart tickles overflow bug in klibc with big disks + growpart tickles overflow bug with big disks -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/956870 Title: growpart tickles overflow bug with big disks To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/busybox/+bug/956870/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs