Also, It would be helpful to run the apport command mentioned in comment #1. That will tell us which kernel this is against.
** Tags added: kernel-key -- 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/1350087 Title: ahci-xgene stability improvements Status in “linux” package in Ubuntu: Confirmed Bug description: Several issues have been discovered while testing the ahci-xgene driver. These include failures to discover certain disk types (SSDs), failure to discover disks on certain platforms due to phy tunings/timings, and disks disappearing during reboot loop testing. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1350087/+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