Hi all, I've been moving things on my server to use software RAID5 of the LVM, trying out to use the device mapper (dm-crypt) on top of that with an ext3 filesystem and have seen repeated hard crashes. The machine was entirely dead. Since the machine was quite stable for a couple of days with 2.6.10 before moving to the software RAID setup, my suspicion is that it is related to either LVM, DM, EXT3 or any combination of the three. This is what I could preserve in output from the crashes: