[#6838] bf518-ezkit auto count down test fail sometimes

Document created by Aaronwu Employee on Sep 26, 2013
Version 1Show Document
  • View in full screen mode

[#6838] bf518-ezkit auto count down test fail sometimes

Submitted By: Mingquan Pan

Open Date

2011-10-21 02:26:40    

Priority:

Medium     Assignee:

Nobody

Category:

N/A     Fixed In Release:

2011R1

Found In Release:

2011R1     Status:

Open

Board:

N/A     Processor:

BF518

Silicon Revision:

    Resolution:

N/A

Is the bug repeatable?:

N/A     

Summary: bf518-ezkit auto count down test fail sometimes

Details:

 

bf518-ezkit auto count down test fail at low freq.

 

U-Boot 2011.09-svn2725 (ADI-2011R1-pre) (Oct 16 2011 - 22:23:19)^M

^M

CPU:   ADSP bf518-0.0 (Detected Rev: 0.0) (parallel flash boot)^M

Board: ADI BF518F EZ-Board board^M

       Support: http://blackfin.uclinux.org/^M

Clock: VCO: 400 MHz, Core: 400 MHz, System: 50 MHz^M

RAM:   64 MiB^M

Flash: 4 MiB^M

MMC:   Blackfin SDH: 0^M

In:    serial^M

Out:   serial^M

Err:   serial^M

KGDB:  [on serial] ready^M

Net:   bfin_mac^M

Hit any key to stop autoboot:  9

*****************************

STEP 3: Test countdown time period

 

^H^H^H 8 ^H^H^H 7 ^H^H^H 6 ^H^H^H 5 ^H^H^H 4 ^H^H^H 3 ^H^H^H 2 ===== Recording measurement: one boot countdown second is .157606

autoboot second timing is 0.842394 seconds off

 

===== Recording result: autoboot countdown seconds is fail

 

Follow-ups

 

--- Mingquan Pan                                             2011-11-21 01:43:16

It sometimes happens to bf526 ezbrd too, and not restricted to low freq.

 

U-Boot 2011.09-dirty (ADI-2011R1) (Nov 18 2011 - 08:53:31)^M

^M

CPU:   ADSP bf526-0.0 (Detected Rev: 0.0) (parallel flash boot)^M

Board: ADI BF526 EZ-Board board^M

       Support: http://blackfin.uclinux.org/^M

Clock: VCO: 400 MHz, Core: 400 MHz, System: 80 MHz^M

RAM:   64 MiB^M

Flash: 4 MiB^M

In:    serial^M

Out:   serial^M

Err:   serial^M

KGDB:  [on serial] ready^M

Net:   bfin_mac^M

Hit any key to stop autoboot:  5

*****************************

STEP 3: Test countdown time period

 

^H^H^H 4 ^H^H^H 3 ^H^H^H 2 ===== Recording measurement: one boot countdown

second is 2.803513

autoboot second timing is 1.8035130000000001 seconds off

===== Recording result: autoboot countdown seconds is fail

 

 

 

 

    Files

    Changes

    Commits

    Dependencies

    Duplicates

    Associations

    Tags

 

File Name     File Type     File Size     Posted By

No Files Were Found

Attachments

    Outcomes