tested new proposed kernel, and it works: utlemming@utl-0917-s3a:~$ cat /sys/devices/LNXSYSTM:00/device:00/PNP0A03:00/device:08/VMBUS:00/vmbus_0_2/host3/target3:0:1/3:0:1:0/scsi_disk/3:0:1:0/thin_provisioning 1 utlemming@utl-0917-s3a:~$ cat /sys/devices/LNXSYSTM:00/device:00/PNP0A03:00/device:08/VMBUS:00/vmbus_0_1/host2/target2:0:0/2:0:0:0/scsi_disk/2:0:0:0/provisioning_mode unmap utlemming@utl-0917-s3a:~$ cat /sys/devices/LNXSYSTM:00/device:00/PNP0A03:00/device:08/VMBUS:00/vmbus_0_2/host3/target3:0:1/3:0:1:0/scsi_disk/3:0:1:0/provisioning_mode unmap utlemming@utl-0917-s3a:~$ uname -a Linux utl-0917-s3a 3.11.0-8-generic #14~lp1223499v201309131830 SMP Fri Sep 13 17:31:57 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
-- 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/1223499 Title: Enable TRIM support in Ubuntu for Hyper-V Status in “linux” package in Ubuntu: Fix Released Status in “linux” source package in Saucy: Fix Released 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/+bug/1223499/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp

