Rainer H. Rauschenberg wrote:
On Mon, 23 Jan 2012, Mark Morgan Lloyd wrote:
Nicola Bernardini wrote:
You should always check the power supply of the nslu2, I had mor than one
that failed softly, exposing various strange errors.
I see. What should I test? that the nominal voltage is proper and
stable? However, if that was the case, the machine would fail
erratically, I believe, while it appears to fail quite deterministically
(upon an apt-get upgrade, for example).
Basic parameters are DC voltage on load, and AC ripple on load. You'll
probably need fairly decent test equipment to see the switching frequency.
Or a known good power supply ...
Yes. Which is why, with respect to everybody and with appreciation of
the effort of the core developers, I also suggested testing with a known
good distro.
--
Mark Morgan Lloyd
markMLl .AT. telemetry.co .DOT. uk
[Opinions above are the author's, not those of his employers or colleagues]
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