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Description of problem:
A bug was reported on the kernel.org bugzilla at https://bugzilla.kernel.org/show_bug.cgi?id=216007 in which XFS was observed to stall or hang when extracting a large number of files from a tar archive.
Eventually, the behavior change was bisected to
c9fa563072e13337713a441cf30171feb4e96e6d is the first bad commit
commit c9fa563072e13337713a441cf30171feb4e96e6d
Author: Dave Chinner <dchinner>
Date: Tue Jun 1 13:40:36 2021 +1000
xfs: use alloc_pages_bulk_array() for buffers
which landed upstream in v5.14. Subsequent debugging identified a flaw in alloc_pages_bulk_array() itself, introduced in:
387ba26fb1cb ("mm/page_alloc: add a bulk page allocator")
A patch was submitted upstream to resolve this, at
https://lore.kernel.org/all/20220526091210.GC3441@techsingularity.net/
("mm/page_alloc: Always attempt to allocate at least one page during bulk allocation")
It would be good to fix this in RHEL9 once the patch lands upstream, maybe even considering 9.0.z.
Thanks,
-Eric
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (Moderate: kernel security, bug fix, and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2022:8267