Panic when doing shutdown or reboot

[Reindl Harald]

Am 06.03.2013 22:13, schrieb Joe Zeff:
> On 03/06/2013 01:04 PM, Reindl Harald wrote:
>> short power drops are not the topic
>>
>> the problem is to runa UPS battery completly empty
>> deep uncharge is very bad for most batteries
> 
> As I said, I'm trying to learn.  I gather, then, that there's a way for the computers to know when they're running
> off of the UPS only and that they're set to shut themselves down when the main power's been off for a specified
> length of time so as to avoid completely discharging the UPS

that is what the UPS software does, make the shutdown before the UPS is completly
discharged, but if you look at the topic we have undefined behavior due the kernel
panic prvent the last event: power off

[harry at srv-rhsoft:~/Desktop]$ apcaccess
APC      : 001,036,0925
DATE     : 2013-03-06 22:47:36 +0100
HOSTNAME : srv-rhsoft.rhsoft.net
VERSION  : 3.14.10 (13 September 2011) redhat
UPSNAME  : srv-rhsoft
CABLE    : USB Cable
DRIVER   : USB UPS Driver
UPSMODE  : Stand Alone
STARTTIME: 2013-03-05 11:18:19 +0100
MODEL    : Back-UPS BR1200GI
STATUS   : ONLINE
LINEV    : 236.0 Volts
LOADPCT  :  10.0 Percent Load Capacity
BCHARGE  : 100.0 Percent
TIMELEFT :  60.5 Minutes
MBATTCHG : 10 Percent
MINTIMEL : 10 Minutes
MAXTIME  : 0 Seconds
SENSE    : High
LOTRANS  : 176.0 Volts
HITRANS  : 288.0 Volts
ALARMDEL : 30 seconds
BATTV    : 27.7 Volts
LASTXFER : Automatic or explicit self test
NUMXFERS : 0
TONBATT  : 0 seconds
CUMONBATT: 0 seconds
XOFFBATT : N/A
SELFTEST : NO
STATFLAG : 0x07000008 Status Flag
SERIALNO : 3B1040X42713
BATTDATE : 2011-01-12
NOMINV   : 230 Volts
NOMBATTV :  24.0 Volts
NOMPOWER : 720 Watts
FIRMWARE : 877.L2 .I USB FW:L2
END APC  : 2013-03-06 22:47:38 +0100

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