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From: Zev Weiss <zweiss@equinix.com>
To: damon3000 <damon3000@163.com>
Subject: Re: Re: FRU access configuration
Thread-Topic: Re: FRU access configuration
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Date: Fri, 18 Feb 2022 03:48:14 +0000
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On Thu, Feb 17, 2022 at 03:10:33AM PST, damon3000 wrote:
>Hi Patrick,
>
>
>  1.  According to your suggestion, I can scan my FRU information via busc=
tl command, but entity-manager did not start and can not be accessed.
>The log is as below:
>
>"
>busctl tree --no-pager xyz.openbmc_project.FruDevice
>`-/xyz
>  `-/xyz/openbmc_project
>    `-/xyz/openbmc_project/FruDevice
>      |-/xyz/openbmc_project/FruDevice/10_64
>      |-/xyz/openbmc_project/FruDevice/10_65
>      |-/xyz/openbmc_project/FruDevice/10_67
>      |-/xyz/openbmc_project/FruDevice/3_80
>      |-/xyz/openbmc_project/FruDevice/6_72
>      |-/xyz/openbmc_project/FruDevice/6_74
>      |-/xyz/openbmc_project/FruDevice/6_76
>      |-/xyz/openbmc_project/FruDevice/7_81
>      |-/xyz/openbmc_project/FruDevice/7_89
>      `-/xyz/openbmc_project/FruDevice/test
>
>
>busctl introspect --no-pager xyz.openbmc_project.FruDevice \
>>  /xyz/openbmc_project/FruDevice/Brahma______________
>NAME                                TYPE      SIGNATURE RESULT/VALUE      =
                 FLAGS
>org.freedesktop.DBus.Introspectable interface -         -                 =
                 -
>.Introspect                         method    -         s                 =
                 -
>org.freedesktop.DBus.Peer           interface -         -                 =
                 -
>.GetMachineId                       method    -         s                 =
                 -
>.Ping                               method    -         -                 =
                 -
>org.freedesktop.DBus.Properties     interface -         -                 =
                 -
>.Get                                method    ss        v                 =
                 -
>.GetAll                             method    s         a{sv}             =
                 -
>.Set                                method    ssv       -                 =
                 -
>.PropertiesChanged                  signal    sa{sv}as  -                 =
                 -
>xyz.openbmc_project.FruDevice       interface -         -                 =
                 -
>.ADDRESS                            property  u         80                =
                 emits-change
>.BOARD_FRU_VERSION_ID               property  s         "UVD050"          =
                 emits-change
>.BOARD_INFO_AM1                     property  s         "V1  "            =
                 emits-change
>.BOARD_INFO_AM2                     property  s         "0123456789ABCDE00=
1TAG0000002  " emits-change
>.BOARD_INFO_AM3                     property  s         "R1B "            =
                 emits-change
>.BOARD_INFO_AM4                     property  s         "XX1 "            =
                 emits-change
>.BOARD_INFO_AM5                     property  s         "0E11223344E0"    =
                 emits-change
>.BOARD_INFO_AM6                     property  s         "02"              =
                 emits-change
>.BOARD_LANGUAGE_CODE                property  s         "0"               =
                 emits-change
>.BOARD_MANUFACTURER                 property  s         "Huaqin Telecom  "=
                 emits-change
>.BOARD_MANUFACTURE_DATE             property  s         "1996-07-07 - 10:5=
7:00"            emits-change
>.BOARD_PART_NUMBER                  property  s         "NA               =
   "             emits-change
>.BOARD_PRODUCT_NAME                 property  s         "test             =
 "             emits-change
>.BOARD_SERIAL_NUMBER                property  s         "3120E33900011X001=
0            " emits-change
>
>
>
>root@sky:/etc/default/obmc/eeproms/system/chassis# echo "24c64 0x50 > /sys=
/bus/i2c/devices/i2c-3/new_device"
>24c64 0x50 > /sys/bus/i2c/devices/i2c-3/new_device

I haven't closely followed what else you're doing here, but this
definitely looks wrong -- I think you meant to do

  $ echo "24c64 0x50" > /sys/bus/i2c/devices/i2c-3/new_device

Note the position of the close quote -- as you had it above it's just
writing a long string to stdout instead of sending the device name and
i2c address to the sysfs 'new_device' file.


Zev