On Wednesday, January 04, 2017 04:18:08 PM Anton Blanchard wrote: > Hi, > > I'm consistently seeing ext4 filesystem corruption using a mainline > kernel. It doesn't take much to trigger it - download a ppc64le Ubuntu > cloud image, boot it in KVM and run: > > sudo apt-get update > sudo apt-get dist-upgrade > sudo reboot > > And it never makes it back up, dying with rather severe filesystem > corruption. Hi, The patch at https://patchwork.kernel.org/patch/9488235/ should fix the bug. > > I've narrowed it down to: > > 64e1c57fa474 ("ext4: Use clean_bdev_aliases() instead of iteration") > e64855c6cfaa ("fs: Add helper to clean bdev aliases under a bh and use it") > ce98321bf7d2 ("fs: Remove unmap_underlying_metadata") > > Backing these patches out fixes the issue. > > Anton > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- chandan -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
