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apport-collect 1841483
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This change has been made by an automated script, maintained by the
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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1841483
Title:
Additional regression in CMA allocation rework
Status in linux package in Ubuntu:
Incomplete
Bug description:
Introduced by the fixes for bug 1823753. Also related - bug 1839395.
[Impact]
There is an upstream report that the CMA allocation rework we backported to
disco is breaking the ath10k wireless driver - and possibly other drivers - in
certain configs. It is not clear if Ubuntu users have been impacted by this
regression, I just noticed that it has a Fixes: reference in the git commit.
[Test Case]
Regression tested only.
[Fix]
90ae409f9eb3b dma-direct: fix zone selection after an unaddressable CMA
allocation
[Regression Risk]
Regressions in this code generally cause drivers to fail due to unavailable
memory.
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