This bug was fixed in the package linux - 3.2.0-95.135
---------------
linux (3.2.0-95.135) precise; urgency=low
[ Luis Henriques ]
* Release Tracking Bug
- LP: #1514808
[ Upstream Kernel Changes ]
* Drivers: hv: Support handling multiple VMBUS versions
- LP: #1454758
* Drivers: hv: Save and export negotiated vmbus version
- LP: #1454758
* Drivers: hv: Move vmbus version definitions to hyperv.h
- LP: #1454758
* storvsc: Update the storage protocol to win8 level
- LP: #1454758
* storvsc: Set the SRB flags correctly when no data transfer is needed
- LP: #1454758
-- Luis Henriques <luis.henriq...@canonical.com> Tue, 10 Nov 2015
12:06:14 +0000
** Changed in: linux (Ubuntu Precise)
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu Precise)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1454758
Title:
[Hyper-V] storvsc: Set the SRB flags correctly when no data transfer
is needed
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Precise:
Fix Released
Status in linux source package in Trusty:
Fix Released
Status in linux source package in Utopic:
Fix Released
Status in linux source package in Vivid:
Fix Released
Status in linux source package in Wily:
Fix Released
Bug description:
The following critical bugfix has been accepted into the upstream
kernel. It is needed for 15.10, 15.02, 14.10, 14.04 and 14.04 HWE
(and, by extension, 12.04 and 12.04 HWE). We have seen IHV drivers in
the field throw errors and time out due to receiving SRB flags set
when no data transfer is expected.
storvsc: Set the SRB flags correctly when no data transfer is needed
Set the SRB flags correctly when there is no data transfer. Without this
change some IHV drivers will fail valid commands such as TEST_UNIT_READY.
Commit
http://git.kernel.org/cgit/linux/kernel/git/jejb/scsi.git/commit/?id=dc45708ca9988656d706940df5fd102672c5de92
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