[Bug 261181] 13-STABLE hang: swap_pager: indefinite wait buffer

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 13 Jan 2022 18:35:44 UTC

ldoujin <lnx.doujin@gmail.com> changed:

           What    |Removed                     |Added
                 CC|                            |lnx.doujin@gmail.com

--- Comment #1 from ldoujin <lnx.doujin@gmail.com> ---
$ git log --oneline --since "SEP 16 2021" --until "JAN 13 2022" sys | grep swap

1791debf4 swapoff: add one more variant of the syscall
45786883b swapoff(2): add a SWAPOFF_FORCE flag
6ceede7d3 swapoff(2): replace special device name argument with a structure
dea036bd1 swap_pager.c: Remove MPSAFE and ARGSUSED annotations
aebdfa951 Expand comment explaining reasons for automatic swapoff on shutdown
c1abd6bd3 shutdown: unmount filesystems after swapoff
08d995ca8 swapoff_one(): only check free pages count manually turning swap off
3a98b98be swap_pager: lock vnode in swapdev_strategy()
4b2caeec4 swapon: extend the region where the swap vnode is locked
81c9a051e swap pager: lock vnode around VOP_CLOSE()
5ac0e08ef vm.objects_swap: disable reporting some information
c54be5cfc Add vm.swap_objects sysctl
ca85fb7e0 swap_pager: Handle large swap_pager_reserve() requests

Any of these worth investigating?

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