Jammy 5.15 has CONFIG_PCI_P2PDMA set to n, so a cherry-pick alone will
not resolve the issue. Additionally, Jammy is missing a dependency of
7170130e4c72: e3246d8f5217 ("mm/sparse-vmemmap: add a pgmap argument to
section activation"), which has its own set of dependencies. As there
does not appear to be significant demand for this in Jammy, and risk of
regression is higher, a fix for Jammy is omitted for this submission.
** Changed in: linux (Ubuntu Jammy)
Status: In Progress => Won't Fix
** Changed in: linux (Ubuntu Jammy)
Assignee: Jacob Martin (jacobmartin) => (unassigned)
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https://bugs.launchpad.net/bugs/2120209
Title:
x86 systems with PCIe BAR addresses located outside a certain range
see P2PDMA allocation failures and CUDA initialization errors
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