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Date: Fri, 4 May 2012 13:31:40 GMT
From: Ed Maste <emaste@FreeBSD.org>
To: freebsd-gnats-submit@FreeBSD.org
Subject: mfiutil(8) claims battery is OK even though it is worn out and wb cache is disabled
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>Number:         167575
>Category:       bin
>Synopsis:       mfiutil(8) claims battery is OK even though it is worn out and wb cache is disabled
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri May 04 13:40:10 UTC 2012
>Closed-Date:    
>Last-Modified:  Thu Dec 12 10:10:00 UTC 2013
>Originator:     Ed Maste
>Release:        FreeBSD 8.2
>Organization:
Sandvine Inc
>Environment:
FreeBSD TPC-F3-25.phaedrus.sandvine.com 8.82.0109-RELEASE-p5 FreeBSD 8.82.0109-RELEASE-p5 #111: Tue Feb 28 15:27:17 EST 2012     root@wtllab-bsdbuild-9.phaedrus.sandvine.com:/usr/obj/usr/src/sys/SPB  amd64

(FreeBSD 8.2 + some backports)
>Description:
mfiutil reports that the cache is disabled:

$ sudo mfiutil cache 0
mfi0 volume mfid0 cache settings:
             I/O caching: writes
           write caching: write-back
write cache with bad BBU: disabled
              read ahead: none
       drive write cache: disabled
Cache Disabled Due to Dead Battery

But the battery reports "Status: normal"

$ sudo mfiutil show battery
mfi0: Battery State:
     Manufacture Date: 12/4/2010
        Serial Number: 1499
         Manufacturer: LS1191002A
                Model: 3150302
            Chemistry: LION
      Design Capacity: 1215 mAh
 Full Charge Capacity: 504 mAh
     Current Capacity: 479 mAh
        Charge Cycles: 35
       Current Charge: 95%
       Design Voltage: 3700 mV
      Current Voltage: 4050 mV
          Temperature: 28 C
               Status: normal

$ mfiutil version
mfiutil version 1.0.13

Using LSI's megacli reports additional information, including a "battery replacement required" indication

$ sudo ~emaste/lsi/megacli/8.00.46/MegaCli64 -AdpBbuCmd -GetBbuStatus -aALL
                                     
BBU status for Adapter: 0

BatteryType: iBBU
Voltage: 4050 mV
Current: 0 mA
Temperature: 28 C

BBU Firmware Status:

  Charging Status              : None
  Voltage                                 : OK
  Temperature                             : OK
  Learn Cycle Requested                   : No
  Learn Cycle Active                      : No
  Learn Cycle Status                      : OK
  Learn Cycle Timeout                     : No
  I2c Errors Detected                     : No
  Battery Pack Missing                    : No
  Battery Replacement required            : Yes
  Remaining Capacity Low                  : Yes
  Periodic Learn Required                 : No
  Transparent Learn                       : No
  No space to cache offload               : No
  Pack is about to fail & should be replaced : No
  Cache Offload premium feature required  : No
  Module microcode update required        : No

Battery state: 

GasGuageStatus:
  Fully Discharged        : No
  Fully Charged           : Yes
  Discharging             : Yes
  Initialized             : Yes
  Remaining Time Alarm    : No
  Remaining Capacity Alarm: No
  Discharge Terminated    : No
  Over Temperature        : No
  Charging Terminated     : No
  Over Charged            : No

Relative State of Charge: 95 %
Charger System State: 49168
Charger System Ctrl: 0
Charging current: 0 mA
Absolute state of charge: 39 %
Max Error: 2 %

Exit Code: 0x00

>How-To-Repeat:
Per description
>Fix:


>Release-Note:
>Audit-Trail:

From: Sean Bruno <seanbru@yahoo-inc.com>
To: bug-followup@FreeBSD.org, emaste@FreeBSD.org
Cc:  
Subject: Re: bin/167575: mfiutil(8) claims battery is OK even though it is
 worn out and wb cache is disabled
Date: Fri, 11 May 2012 06:26:25 -0700

 I would be more suspcious of the hardware you're using.
 
 My Dell boxes with mfi(4) seem to do just fine with failed batteries:
 
 bash-4.2$ sudo mfiutil show battery
 mfi0: Battery State:
      Manufacture Date: 9/22/2007
         Serial Number: 2015
          Manufacturer: SANYO
                 Model: DLU8735
             Chemistry: LION
       Design Capacity: 1900 mAh
  Full Charge Capacity: 369 mAh
      Current Capacity: 349 mAh
         Charge Cycles: 42
        Current Charge: 95%
        Design Voltage: 3700 mV
       Current Voltage: 4014 mV
           Temperature: 22 C
                Status: normal
       State of Health: bad
 
 
 
 

From: Vincent Hoffman <vince@unsane.co.uk>
To: bug-followup@FreeBSD.org, emaste@FreeBSD.org
Cc:  
Subject: Re: bin/167575: mfiutil(8) claims battery is OK even though it is
 worn out and wb cache is disabled
Date: Thu, 12 Dec 2013 10:02:41 +0000

 Issue still exists with 8.4
 FreeBSD banshee.namesco.net 8.4-RELEASE-p6 FreeBSD 8.4-RELEASE-p6 #0
 r259163: Tue Dec 10 10:40:01 GMT 2013    
 toor@banshee.namesco.net:/usr/src/sys/amd64/compile/BANSHEE  amd64
 
 The server still works but write cache being disabled makes a huge
 difference to IO
 
 root@banshee # mfiutil cache 0
 mfi0 volume mfid0 cache settings:
              I/O caching: writes and reads
            write caching: write-back
 write cache with bad BBU: disabled
               read ahead: always
        drive write cache: enabled
 Cache Disabled Due to Dead Battery
 ($09:52:35 <~>$) 0
 root@banshee # mfiutil show battery
 mfi0: Battery State:
      Manufacture Date: 6/3/2011
         Serial Number: 637
          Manufacturer: LS1191002A
                 Model: 3150302
             Chemistry: LION
       Design Capacity: 1215 mAh
  Full Charge Capacity: 549 mAh
      Current Capacity: 534 mAh
         Charge Cycles: 66
        Current Charge: 97%
        Design Voltage: 3700 mV
       Current Voltage: 4048 mV
           Temperature: 39 C
                Status: normal
>Unformatted:
