Hi Can,

On 6/4/09, Can Bal <can...@ee.bilkent.edu.tr> wrote:
> Hi everyone,
>
> I'm implementing a code on DSP but at the time I do a memory allocation at
> the DSP side as:
>
> short *a;
> a = malloc(192); // (short*)malloc(192) does not work either
>
> But at this line I get the following error and DSP fails afterwards. Then
> I need to reboot until I can run the application again.
>
> <6>***** DSPMMU FAULT ***** IRQStatus 0x2
> ***** DSPMMU FAULT ***** IRQStatus 0x2
> <6>***** DSPMMU FAULT ***** faultAddr 0x230674a0
> ***** DSPMMU FAULT ***** faultAddr 0x230674a0
> <6>WMD_DEH_Notify: ********** DEVICE EXCEPTION **********
> WMD_DEH_Notify: ********** DEVICE EXCEPTION **********
> <6>WMD_DEH_Notify: DSP_MMUFAULT,errInfo = 0x0
> WMD_DEH_Notify: DSP_MMUFAULT,errInfo = 0x0
> <6>WMD_DEH_Notify: DSP_MMUFAULT, High Address = 0x2306
> WMD_DEH_Notify: DSP_MMUFAULT, High Address = 0x2306
> <6>WMD_DEH_Notify: DSP_MMUFAULT, Low Address = 0x74a0
> WMD_DEH_Notify: DSP_MMUFAULT, Low Address = 0x74a0
> <6>WMD_DEH_Notify: DSP_MMUFAULT, fault address = 0x230674a0
> WMD_DEH_Notify: DSP_MMUFAULT, fault address = 0x230674a0
>
> Do you have any ideas why this might be happening and how to fix it?
> Thanks a lot.
>

This means that the DSP is trying to access a virtual memory for which
no physical memory present, Can you please check why the memory
allocation failing on the DSP?

regards
Ramesh
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