Here's my backport for lucid. I don't have any advice for reproducing the problem; I'd have to look at the code in more detail and try to figure out what triggers that condition.
** Patch added: "0001-md-raid6-avoid-data-corruption-during-recovery-of-do.patch" https://bugs.launchpad.net/ubuntu/+source/mdadm/+bug/1364091/+attachment/4223808/+files/0001-md-raid6-avoid-data-corruption-during-recovery-of-do.patch -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1364091 Title: Possible RAID-6 corruption Status in “linux” package in Ubuntu: Triaged Status in “mdadm” package in Ubuntu: Invalid Bug description: It seems there's a bug in newer kernels that may lead to corruption on RAID-6. There's a fix, too http://lwn.net/Articles/608896/ To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1364091/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
