This bug was fixed in the package linux - 5.4.0-77.86
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linux (5.4.0-77.86) focal; urgency=medium
* UAF on CAN J1939 j1939_can_recv (LP: #1932209)
- SAUCE: can: j1939: delay release of j1939_priv after synchronize_rcu
* UAF on CAN BCM bcm_rx_handler (LP: #1931855)
-
Installed the proposed kernel on a TGL machine, the i915 driver doesn't
load, the analogue audio works as expected.
** Tags removed: verification-needed-focal
** Tags added: verification-done-focal
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This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
focal' to 'verification-done-focal'. If the problem still exists, change
the tag
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/1927672
Title:
alsa/sof: make sof driver work in the case of without
** Changed in: linux (Ubuntu Focal)
Status: Incomplete => In Progress
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1927672
** Description changed:
- This bug is for tracking purpose.
+ The fix is already in the upstream from linux-5.6-rc, so only focal
+ kernel need this patch.
+
+ [Impact]
+ When we boot the focal kernel on the cml or cfl machines without
+ HDMI/DP codec, the sof driver fails to initialize, and the
