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Special Forums Hardware Sun T2000 activity LED in slow blink even though Domain is up Post 302920111 by gls5161 on Tuesday 7th of October 2014 10:43:56 AM
Old 10-07-2014
Sun Sun T2000 activity LED in slow blink even though Domain is up

Hello All
I have a SunFire T2000 running f/w 6.3.2
The activity led is in slow blink mode.
this typically indicates that the domain is down, however it is up and running.
I had this issue before and resetting the sc fixes the issue, but now it has come back. showfaults from the sc indicatess no problems. showlogs has a huge amount of "sc login failure for user" errors, but I don't see how that could be responsible.
showlogs also indicates "Host System Has Reset" and "Host System has shut down", yet the domain is still up. showplatform indicates that the OS is "running"

anyone have any experiences like this?
 

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LED(4)							   BSD Kernel Interfaces Manual 						    LED(4)

NAME
led -- API for manipulating LED's, lamps and other annunciators SYNOPSIS
#include <dev/led/led.h> typedef void led_t(void *priv, int onoff); struct cdev * led_create_state(led_t *func, void *priv, char const *name, int state); struct cdev * led_create(led_t *func, void *priv, char const *name); void led_destroy(struct cdev *); DESCRIPTION
The led driver provides generic support for handling LEDs, lamps and other annunciators. The hardware driver must supply a function to turn the annunciator on and off and the device name of the annunciator relative to /dev/led/. The priv argument is passed back to this on/off function and can be used however the hardware driver sees fit. The lamp can be controlled by opening and writing ASCII strings to the /dev/led/bla device. In the following, we will use this special notation to indicate the resulting output of the annunciator: * The annunciator is on for 1/10th second. _ The annunciator is off for 1/10th second. State can be set directly, and since the change happens immediately, it is possible to flash the annunciator with very short periods and syn- chronize it with program events. It should be noted that there is a non-trivial overhead, so this may not be usable for benchmarking or mea- suring short intervals. 0 Turn the annunciator off immediately. 1 Turn the annunciator on immediately. Flashing can be set with a given period. The pattern continues endlessly. f _* f1 _* f2 __** f3 ___*** ... f9 _________********* Three high-level commands are available: d%d Numbers. Each digit is blinked out at 1/10th second, zero as ten pulses. Between digits a one second pause and after the last digit a two second pause after which the sequence is repeated. s%s String. This gives full control over the annunciator. Letters 'A' ... 'J' turn the annunciator on for from 1/10th to one full second. Letters 'a' ... 'j' turn the annunciator off for 1/10th to one full second. Letters 'u' and 'U' turn the annunciator off and on respectively when the next UTC second starts. Unless terminated with a '.', the sequence is immediately repeated. m%s Morse. '.' becomes '_*' '-' becomes '_***' ' ' becomes '__' ' ' becomes '____' The sequence is repeated after a one second pause. FILES
/dev/led/* EXAMPLES
A 'd12' flashes the lamp *__________*_*______________________________ A 'sAaAbBa' flashes *_*__**_ /usr/games/morse -l "Soekris rocks" > /dev/led/error SEE ALSO
morse(6) HISTORY
The led driver first appeared in FreeBSD 5.2. AUTHORS
This software was written by Poul-Henning Kamp <phk@FreeBSD.org>. This manual page was written by Sergey A. Osokin <osa@FreeBSD.org> and Poul-Henning Kamp <phk@FreeBSD.org>. BSD
April 24, 2007 BSD
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