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Problem with kernel 3.11.9

Hi.

I'm using kernel linux 3.11.9 on Xilinx ML605 with Microblaze processor.

I have problem to write a file of 40 MB dimension.

When i use the command dd the kernel crashes with this error:

dd if=/dev/zero of=/mnt/foobar count=1024 bs=40000

BUG: failure at fs/buffer.c:1966/__block_commit_write()!

Kernel panic - not syncing: BUG!

Oops: kernel access of bad area, sig: 11

CPU: 0 PID: 85 Comm: dd Not tainted 3.11.8 #1

task: ce4d0ba0 ti: ce4e2000 task.ti: ce4e2000

Registers dump: mode=CE4E362C

r1=C00FC118, r2=00000000, r3=0000001C, r4=C0C4CA14

r5=C05BA3BC, r6=00000038, r7=C05BA4AC, r8=C0C4CA14

r9=00200200, r10=00000000, r11=00000000, r12=00001D70

r13=00000000, r14=C03E4E0C, r15=C02E6D08, r16=00000000

r17=C02E6C88, r18=00200200, r19=C0C4CA00, r20=4825AFF4

r21=00000000, r22=C0C4CA14, r23=0000054F, r24=C0C9E9C0

r25=0000054E, r26=00000000, r27=C06D2390, r28=00000001

r29=0000000E, r30=C0CB6240, r31=CE4D0BA0, rPC=C02E6C88

msr=000046A0, ear=00000000, esr=00000872, fsr=CE4E36BC

Kernel panic - not syncing: Aiee, killing interrupt handler!

Can anyone help me?

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