Public bug reported:
Binary package hint: linux-image-2.6.17-10-sparc64-smp
This problem exists in edgy and dapper, as well as other Linux
distributions like Aurora 1.0, 2.0 and CentOS 4.2. The host is a Sun
Enterprise 250 (E250).
When Linux is booting, it attempts to probe the RTC. Only there is no
RTC on an E250. I don't know if this is exactly the thing that the
kernel is doing when the LED lights up, but it's the only thing that is
spat out to the console at that time so it's my first hunch. I am sure
that this host does not illuminate the General Fault light under non-
Linux OS's such as Solaris 10 and OpenBSD 4.0 (tested both).
I have anecdotal confirmation that others with Enterprise-class server
hardware get the same light upon bootup.
Normal behavior is for this light to blink some during IPL and then shut
off unless there is a serious issue that requires operator attention.
Thus it's a bit counterintuitive to have Linux turning this light on
when nothing is wrong with the system.
** Affects: linux-source-2.6.17 (Ubuntu)
Importance: Undecided
Status: Unconfirmed
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[sparc] "General Fault" light lit at bootup
https://launchpad.net/bugs/77090
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