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Re: [PATCH] ieee1394 : dump mmapped video1394 buffers in core files
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From:
Philippe De Muyter <phdm@...>
To: Stefan Richter <stefanr@...>
Cc: <linux1394-devel@...>, <linux-kernel@...>
Subject:
Re: [PATCH] ieee1394 : dump mmapped video1394 buffers in core files
Date: Friday, July 4, 2008 - 4:49 pm
On Fri, Jul 04, 2008 at 08:33:17PM +0200, Stefan Richter wrote:
quoted text
> 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.
OK for me Philippe --
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Messages in current thread:
mmap'ed memory in core files ?
, Philippe De Muyter
, (Tue Jul 1, 9:21 am)
Re: mmap'ed memory in core files ?
, Michael Kerrisk
, (Tue Jul 1, 2:16 pm)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Wed Jul 2, 7:01 am)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Wed Jul 2, 6:50 am)
Re: mmap'ed memory in core files ?
, Christoph Hellwig
, (Wed Jul 2, 9:30 am)
Re: mmap'ed memory in core files ?
, Michael Kerrisk
, (Wed Jul 2, 6:58 am)
Re: mmap'ed memory in core files ?
, Hidehiro Kawai
, (Wed Jul 2, 11:51 pm)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Thu Jul 3, 5:37 am)
[PATCH] ieee1394 : dump mmapped video1394 buffers in core fi...
, Philippe De Muyter
, (Thu Jul 3, 12:52 pm)
Re: [PATCH] ieee1394 : dump mmapped video1394 buffers in cor...
, Stefan Richter
, (Fri Jul 4, 2:33 pm)
Re: [PATCH] ieee1394 : dump mmapped video1394 buffers in cor...
, Philippe De Muyter
, (Fri Jul 4, 4:49 pm)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Thu Jul 3, 5:22 am)
Re: mmap'ed memory in core files ?
, Hidehiro Kawai
, (Fri Jul 4, 1:50 am)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Fri Jul 4, 7:13 am)
Re: mmap'ed memory in core files ?
, Stefan Richter
, (Fri Jul 4, 2:33 am)
Re: mmap'ed memory in core files ?
, Hugh Dickins
, (Fri Jul 4, 10:29 am)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Fri Jul 4, 7:25 am)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Wed Jul 2, 7:04 am)
Re: mmap'ed memory in core files ?
, Stefan Richter
, (Wed Jul 2, 8:24 am)
Re: mmap'ed memory in core files ?
, Philippe De Muyter
, (Wed Jul 2, 9:16 am)
Re: mmap'ed memory in core files ?
, Bron Gondwana
, (Tue Jul 1, 5:44 pm)
Re: mmap'ed memory in core files ?
, Michael Kerrisk
, (Wed Jul 2, 1:14 am)
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