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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1839395
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
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the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: linux (Ubuntu Disco)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1839395
Title:
Regressions in CMA allocation rework
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Disco:
Incomplete
Bug description:
Introduced by the fixes for bug 1823753.
[Impact]
Crashes (as observed on a nigrogen8m device), and a potential memory leak.
[Test Case]
Regression tested only.
[Fix]
f46cc0152501e dma-contiguous: page-align the size in dma_free_contiguous()
c6622a425acd1 dma-contiguous: do not overwrite align in dma_alloc_contiguous()
[Regression Risk]
Bugs in CMA code could lead to device driver errors/crashes.
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