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Re: diskless sparc locks up under memory pressure
On Sat, Nov 07, 2020 at 18:33:26 +0300, Valery Ushakov wrote:
> I've upgraded my Krups (64MB RAM, diskless) to 9.99.75 as of Nov 6 and
> the machine is locking up at boot time in rc.d/fccache. If I disable
> fccache in rc.conf it boots but then eventually locks up when
> makemandb is run. The machine doesn't respond to pings, etc, but can
> enter ddb. In all cases the ddb stacktrace goes through:
> with the top part of the stack trace varying.
This turned out to be unsafe inline asm in pmap code miscompiled by
the newer gcc. Many thanks to chs@ for his help.
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