[FFmpeg-cvslog] r18896 - trunk/libavcodec/eatgq.c

[Måns Rullgård]

Vitor Sessak <vitor1001 at gmail.com> writes:

> M?ns Rullg?rd wrote:
>> Reimar D?ffinger <Reimar.Doeffinger at gmx.de> writes:
>
> [...]
>
>> Here's an excerpt from the kernel log on my Alpha machine:
>> ffmpeg_g(21360): unaligned trap at 00000001203bc770: 00000200007c8c21 29 4
>> ffmpeg_g(21360): unaligned trap at 00000001203bc770: 00000200007c8c29 29 4
>> ffmpeg_g(21360): unaligned trap at 00000001203bc770: 00000200007c8c31 29 4
>> ffmpeg_g(21360): unaligned trap at 00000001203bc770: 00000200007c8c39 29 4
>> ffmpeg_g(22343): unaligned trap at 00000001204ad364: 00000200008c0d8c 29 1
>> ffmpeg_g(22343): unaligned trap at 00000001204ad394: 00000200008c0ef4 29 1
>> ffmpeg_g(22343): unaligned trap at 00000001204ad3c4: 00000200008c105c 29 1
>> ffmpeg_g(22343): unaligned trap at 00000001204ad3f4: 00000200008c11c4 29 1
>> ffmpeg_g(22384): unaligned trap at 00000001204ad364: 00000200008c0d8c 29 1
>> ffmpeg_g(22384): unaligned trap at 00000001204ad394: 00000200008c0ef4 29 1
>> ffmpeg_g(22384): unaligned trap at 00000001204ad3c4: 00000200008c105c 29 1
>> ffmpeg_g(22384): unaligned trap at 00000001204ad3f4: 00000200008c11c4 29 1
>> ffmpeg(24756): unaligned trap at 00000001202e6228: 0000000120a7c9fc 2d 2
>> ffmpeg(24756): unaligned trap at 00000001202e6230: 0000000120a7c9ec 2d 2
>> ffmpeg(24756): unaligned trap at 00000001202e8d34: 0000000120a7c9ec 2d 31
>> ffmpeg(24756): unaligned trap at 00000001202e8d3c: 0000000120a7c9fc 2d 31
>> ffmpeg(24783): unaligned trap at 00000001202b421c: 00000200002ca011 28 1
>> ffmpeg(24783): unaligned trap at 00000001202b421c: 00000200002ca015 28 1
>> ffmpeg(24783): unaligned trap at 00000001202b421c: 00000200002ca019 28 1
>> ffmpeg(24783): unaligned trap at 00000001202b421c: 00000200002ca01d 28 1
>> Quite clearly, something is not aligned correctly.
>
> Is there a way of forcing a segfault when this happens?

There should be (SIGBUS actually), or else I can do it on ARM where I
know how to do it.

-- 
M?ns Rullg?rd
mans at mansr.com