Microsoft reports that the proposed fix does work from the hypervisor level.
** Package changed: ubuntu => linux-meta (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-meta in Ubuntu. https://bugs.launchpad.net/bugs/1223499 Title: Enable TRIM support in Ubuntu for Hyper-V Status in “linux-meta” package in Ubuntu: Confirmed Status in “linux-meta” source package in Saucy: Confirmed Bug description: Microsoft has asked for us to enable unmap support Hyper-V targets. The current kernels for 12.04 and later do not correctly identify the devices as being capable of supporting unmap To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta/+bug/1223499/+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