This was causing us headaches like since forever. Our reproducers were very intermittent to catch it. I think we might want to backport this everywhere we can.
On Thu, 5 Oct 2023, 17:50 Krister Johansen, <k...@templeofstupid.com> wrote: > Hi, > My team runs Ubuntu 20.04 on EC2. We use the cloud images that > Canonical and AWS publish for Ubuntu as our base image. As part of > the first boot of one of these images, cloud-init runs resiz2fs in order > to make the root filesystem match the size of the root volume on which the > instance is provisioned. > > A few times a week, this would fail for us, which results in instances > that have an unexpectedly small root filesystem. We were able to build > a reproducer for the problem, debug it, and get it fixed upstream. > There's a patch in the main branch of e2fsprogs with the fix now. > > We've had to fork the Ubuntu version of e2fsprogs to carry this patch, > but from our analysis it ought to impact (potentially) any customer > running on EC2. Would Ubuntu be willing to backport this patch to the > versions for which they build EC2 AMIs? (We're specifically interested > in any LTS Ubuntu releases). > > I logged a ticket for this on launchpad here (it includes the > reproducer): > > https://bugs.launchpad.net/ubuntu/+source/e2fsprogs/+bug/2036467 > > The patch itself is a 2-line change: > > > https://git.kernel.org/pub/scm/fs/ext2/e2fsprogs.git/commit/?id=43a498e938887956f393b5e45ea6ac79cc5f4b84 > > The thread where this was discussed with the upstream maintainer is > here: > > https://lore.kernel.org/linux-ext4/20230609042239.ga1436...@mit.edu/ > > Thanks very much, > > -K > > -- > Ubuntu-devel-discuss mailing list > Ubuntu-devel-discuss@lists.ubuntu.com > Modify settings or unsubscribe at: > https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss >
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