Re: OOPS in 2.4.25-rc1 -- video1394

[Ben Collins]

> | Trace; fcd813af <[video1394]alloc_dma_iso_ctx+1ef/5d0>
> | Trace; fcd838bf <[video1394].text.end+42a/b13>
> | Trace; fcd821c1 <[video1394]video1394_ioctl+2d1/e80>
> | 
> | Code;  fcd81136 <[video1394]free_dma_iso_ctx+b6/140>
> | 00000000 <_EIP>:
> | Code;  fcd81136 <[video1394]free_dma_iso_ctx+b6/140>   <=====
> |    0:   89 50 04                  mov    %edx,0x4(%eax)   <=====
> | Code;  fcd81139 <[video1394]free_dma_iso_ctx+b9/140>
> |    3:   89 02                     mov    %eax,(%edx)
> | Code;  fcd8113b <[video1394]free_dma_iso_ctx+bb/140>
> |    5:   c7 41 04 00 00 00 00      movl   $0x0,0x4(%ecx)
> | Code;  fcd81142 <[video1394]free_dma_iso_ctx+c2/140>
> |    c:   c7 86 a4 00 00 00 00      movl   $0x0,0xa4(%esi)
> | Code;  fcd81149 <[video1394]free_dma_iso_ctx+c9/140>
> |   13:   00 00 00 
> | 
> | 
> | 1 warning issued.  Results may not be reliable.
> `----

Looks to me like it is failing in alloc_dma_iso_ctx(), and then calling
free_dma_iso_ctx() where it encounters some bad data. I can't see off
hand where this might happen. Was there any message prior to this, like
maybe a video1394 error message?

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