Messages in this thread Patch in this message | | | Date | Thu, 3 Jul 2008 18:52:28 +0200 | From | Philippe De Muyter <> | Subject | [PATCH] ieee1394 : dump mmapped video1394 buffers in core files |
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Currently, core files do not contain the mmapped memory of the video1394 or dv1394 devices, which contain the actual video input, making it impossible to analyse the cause of abnormal program termination for image analysis or (de)compression software. Fix that.
Signed-off-by: Philippe De Muyter <phdm@macqel.be> --- diff -r ced66ca0044f drivers/ieee1394/dma.c --- a/drivers/ieee1394/dma.c Mon Jun 30 08:58:09 2008 -0700 +++ b/drivers/ieee1394/dma.c Thu Jul 3 18:40:24 2008 +0200 @@ -274,7 +274,7 @@ int dma_region_mmap(struct dma_region *d vma->vm_ops = &dma_region_vm_ops; vma->vm_private_data = dma; vma->vm_file = file; - vma->vm_flags |= VM_RESERVED; + vma->vm_flags |= VM_RESERVED | VM_ALWAYSDUMP; return 0; }
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