Messages in this thread | | | Date | Fri, 04 Jul 2008 20:33:17 +0200 | From | Stefan Richter <> | Subject | Re: [PATCH] ieee1394 : dump mmapped video1394 buffers in core files |
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Philippe De Muyter wrote: > Currently, core files do not contain the mmapped memory of the video1394 > or dv1394 devices,
Ditto with /dev/raw1394 when the rawiso ioctl API is used.
> 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; > }
I'll commit it with the title changed to "dump mmapped iso buffers in core files" if that's OK. -- Stefan Richter -=====-==--- -=== --=-- http://arcgraph.de/sr/
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