[Bug 243669] lang/python37 : Fails to upgrade 'python37-3.7.5_1' to 'python37-3.7.6' on FreeBSD 12.1-RELEASE-p1 powerpc 32 bit: Grammar3.7.6.final.0.pickle:No such file or directory

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=243669

Gregory Lynn <horroraround@gmail.com> changed:

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                 CC|                            |horroraround@gmail.com

--- Comment #13 from Gregory Lynn <horroraround@gmail.com> ---
Therefore, the issue isn't that a limit existed before #f058359ba5 and that one
did after #f058359ba5.  I would like to know what kernel version Qemu is
running and if it is configured to utilize a non-default backend for entropy.

As per the information found under https://wiki.qemu.org/Features/VirtIORNG,
the default setting is /dev/random, which can cause issues till later Linux
releases. This is where I'm wondering if our (10hz?) polling is exhausting the
host's /dev/random, which often leaves us in a tight spot:
https://cgit.freebsd.org/src/tree/sys/dev/virtio/virtqueue.c?h=releng/13.0#n605
https://geometrydash-online.io -- Adding some virtio and csprng@ people to the
CC list.

I'm wondering if it would make sense to give virtqueue_poll() an optional
timeout parameter so that, in the event that vtrnd is unable to contribute to
the pool, rng doesn't become stuck.

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