[Bug 248245] arm64 kernel panic under heavy UFS writes (getblk -> ffs_balloc_ufs2)

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Fri Jul 24 17:51:49 UTC 2020


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=248245

--- Comment #10 from Gordon Bergling <gbe at FreeBSD.org> ---
(In reply to Mark Johnston from comment #6)

This could be indeed NFS related. I have the following build setup for the
RPi4:

A writable NFS share is exported from a FreeBSD 12-STABLE VM and mounted on the
RPI4: /tank/nfs_public. This share has the following subdirectories that are
symlinked on the RPi4 for /usr/src.

/tank/nfs_public/tiny/src
/tank/nfs_public/tiny/obj

The obj directory is changed via MAKEOBJDIRPREFIX to the NFS share.

This is mostly done to save disk space and writes on the RPi4 SDCard.

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