** Changed in: linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Xenial)
Assignee: (unassigned) => Marcelo Cerri (mhcerri)
** Description changed:
SRU Justification:
Impact: in order to properly support infiniband for Azure A8/A9,
H-series, and NC24/NV24 instances, multiple versions of the driver must
be maintained and userspace must be responsible for selecting the
correct version of the driver.
That's already supported in the linux-azure kernel with the userspace
logic implemented in the Windows Azure Linux Agent. The Xenial kernel is
carrying a single version of the RDMA which might cause problems if the
host OS requires a different version of the driver.
Fix: remove the driver located at "drivers/infiniband/hw/vmbus-rdma/"
from the Xenial kernel and keep support to it only in linux-azure.
- Testcase: the module "hv_network_direct.ko" should not be include in the
- linux-image or linux-image-extra packages.
+ Testcase: the module "hv_network_direct.ko" should not be included in
+ the linux-image or linux-image-extra packages.
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https://bugs.launchpad.net/bugs/1721538
Title:
Remove vmbus-rdma driver from Xenial kernel
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Xenial:
In Progress
Bug description:
SRU Justification:
Impact: in order to properly support infiniband for Azure A8/A9,
H-series, and NC24/NV24 instances, multiple versions of the driver
must be maintained and userspace must be responsible for selecting the
correct version of the driver.
That's already supported in the linux-azure kernel with the userspace
logic implemented in the Windows Azure Linux Agent. The Xenial kernel
is carrying a single version of the RDMA which might cause problems if
the host OS requires a different version of the driver.
Fix: remove the driver located at "drivers/infiniband/hw/vmbus-rdma/"
from the Xenial kernel and keep support to it only in linux-azure.
Testcase: the module "hv_network_direct.ko" should not be included in
the linux-image or linux-image-extra packages.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1721538/+subscriptions
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