Messages in this thread | | | Date | Mon, 30 Mar 2009 09:32:33 -0400 | From | Mark Lord <> | Subject | Re: [ivtv-devel] 2.6.29: ivtv-vbi.c: divide-by-zero in compress_sliced_buf() |
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Mark Lord wrote: > Hans Verkuil wrote: >> On Monday 30 March 2009 04:59:34 Mark Lord wrote: >>> The changes to line_size in 2.6.29 now cause >>> attempts to record from my PVR250 cards (MythTV) >>> to die with a divide by zero error in ivtv-vbi.c. >>> >>> The value of "line_size" in compress_sliced_buf() is zero. >> >> Weird. That should never be zero. Can you mail me the ivtv >> initialization log from dmesg? I need the bit between 'ivtv: Start >> initialization' and 'ivtv: End initialization'. > .. > > Sent. ..
For what it's worth, I did try patching that function to detect a line_size of zero, and replace it on the fly with a more likely value. This prevented the crash, but the recorded video was very dark, as if colour controls had not be initialized. That could be another clue.
Cheers
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