Hello Hui, or anyone else affected,

Accepted linux-firmware into disco-proposed. The package will build now
and be available at https://launchpad.net/ubuntu/+source/linux-
firmware/1.178.6 in a few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how
to enable and use -proposed.  Your feedback will aid us getting this
update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested and change the tag from
verification-needed-disco to verification-done-disco. If it does not fix
the bug for you, please add a comment stating that, and change the tag
to verification-failed-disco. In either case, without details of your
testing we will not be able to proceed.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance for helping!

N.B. The updated package will be released to -updates after the bug(s)
fixed by this package have been verified and the package has been in
-proposed for a minimum of 7 days.

You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-firmware in Ubuntu.

  update firmware for sound sof driver to fix the hang issue on several
  Dell machines

Status in HWE Next:
Status in OEM Priority Project:
Status in linux-firmware package in Ubuntu:
  Fix Released
Status in linux-firmware source package in Bionic:
  Fix Committed
Status in linux-firmware source package in Disco:
  Fix Committed
Status in linux-firmware source package in Eoan:
  Fix Released

Bug description:
  We expect this firmware update could be released with 19.10

  We have a couple of Dell machines, after installing the system, it
  will hang randomly, and this issue was reported by factory, they met
  this issue a couple of times. Then we tried to reproduce this issue,
  finally reproduced it.

  Intel debugged this issue as well, and they provided 4 kernel patches
  and a new firmware, we tested them, they really can fix the issue.
  And the patches were sent the SRU already, now it is time to update

  [Test Case]
  Install the system repeatedly and there is no hang issue anymore.

  [Regression Risk]
  Low, Intel told us there is no ABI change for the firmware, so
  it is safe to run this firmware both with the old driver (not applied
  those 4 patches) and the new driver (applied those 4 patches).

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