UBIFS Error
JerinJacob
jerin.jacob at maxim-ic.com
Tue Sep 8 08:16:19 EDT 2009
Please find below the actual test script:
--------------------------start---------------------------------------------------------------
#!/bin/sh
sizecount=0
localcount=0
deletelimit=`expr 500 \* 1024 \* 1024` # 500 MB
FILENAME="1 2 3 4 5 6 7 8 9 10"
rm -rf /ubifs_rootfs/*
while [ 1 ]
do
for filename in $FILENAME
do
size=`expr 4096 \* 10`
dd if=/dev/urandom of=/ubifs_rootfs/foo1${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo2${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo3${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo4${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo5${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo6${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo7${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo8${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo9${filename} bs=1024
count=4 2> /dev/null ;
dd if=/dev/urandom of=/ubifs_rootfs/foo10${filename} bs=1024
count=4 2> /dev/null ;
localcount=`expr $localcount + $size`
sizecount=`expr $sizecount + $size`
done
if [ $localcount -gt $deletelimit ] ; then
echo "Clean up!!!"
localcount=0
rm -rf /ubifs_rootf/* ; sync
fi
date ; sync
echo "Bytes Written to Nand flash:`expr $sizecount / 1048576 ` MB"
done
-----------------------------End-----------------------------------------------------------------
Adrian Hunter wrote:
> JerinJacob wrote:
>
>> Hi All,
>>
>> Got an UBIFS error while performing a regression write test on UBIFS
>> file system.
>>
>>
>> [Issue]
>> =======
>>
>> While performing a regression write test on UBIFS file system,the UBIFS
>> file system becomes read-only mode.
>> pseudo code for the regression write test as follows:
>>
>> while(1)
>> {
>> create and write a random image(with different block size using dd
>> command) to nand flash
>>
>> if "disk space is reached maxim size"
>> delete all the files
>>
>> }
>>
>
> Can you provide the actual test?
>
>
> .
>
>
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