kernel-packages team mailing list archive

[Abhishek Gupta <abgupta@xxxxxxxxxxxxx>]

Hi Martin, Thanks for accommodating the request for the udev rule. The
rule needs to live in the guest as Hyper-V does not understand udev
rules.

Yes, we did test with Andy's udev rule from comment 14 and it seems to
work. Only issue we saw was that it seemed to suppress some of our other
drivers such as:

1. hyperv-fb
2. hv_utils
3. hv_balloon

It would be really helpful if you guys could do some unit testing to
ensure that our drivers are loaded even after adding the udev rule then
that would be great.

The entire patch along with complete conversation is available here:

https://groups.google.com/forum/#!msg/linux.kernel/AxvyuQjr4GY/TLC-
K0sL_NEJ

Please let me know if you need further information.
Thanks,
Abhishek

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https://bugs.launchpad.net/bugs/1233466

Title:
  Hot-Add Memory failing for lack of udev rule

Status in “linux” package in Ubuntu:
  Fix Released
Status in “systemd” package in Ubuntu:
  In Progress

Bug description:
  It appears that the Hot-Add mechanism is not working because of lack
  of a udev rule. The required rule is attached to this bug. Please
  include it.

  Furthermore, please ensure that the following patches are included:

  https://git.kernel.org/cgit/linux/kernel/git/next/linux-
  next.git/commit/drivers/hv?id=20138d6cb838aa01bb1b382dcb5f3d3a119ff2cb

  https://git.kernel.org/cgit/linux/kernel/git/next/linux-
  next.git/commit/drivers/hv?id=c5e2254f8d63a6654149aa32ac5f2b7dd66a976d

  https://git.kernel.org/cgit/linux/kernel/git/next/linux-
  next.git/commit/drivers/hv?id=ed07ec93e83ec471d365ce084e43ad90fd205903

  The above patches should be in but just wanted to ensure that you guys
  got these.

  Thanks again for the great last minute help.
  Abhishek

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