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Unaligned traps on DEC Alpha
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Maquis196
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Joined: 02 Apr 2003
Posts: 55
Location: London

PostPosted: Tue Apr 05, 2016 8:21 pm    Post subject: Unaligned traps on DEC Alpha Reply with quote

Evening all!

I know this isn't the place to raise bugs but I'm hitting unaligned trap "bugs" for a few different programmes.

Examples;

Code:

[25273.461669] autom4te-2.69(3670): unaligned trap at 00000200001893d0: 0000000120066e51 28 1
[25296.079821] autoheader-2.69(3720): unaligned trap at 00000200001893d0: 0000000120046c21 28 1
[29982.652617] emerge(21341): unaligned trap at 00000200000da82c: fcfcfcfcfcfcfcfc 29 2


What I want to ask is, any suggestions for more getting more information so I can raise some bugs? I know its a pretty dead platform but still, these make emerging new things difficult.

They don't happen every time either, so ideally I can use something that will track everything for when it happens.

Cheers!
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chithanh
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Joined: 05 Aug 2006
Posts: 2141
Location: Berlin, Germany

PostPosted: Tue Apr 05, 2016 10:25 pm    Post subject: Reply with quote

You can start reading here:
https://wiki.gentoo.org/wiki/Project:Alpha/Porting_guide#Unaligned_Accesses

This is usually a bug in the program, but in some cases it might be a gcc issue.
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Maquis196
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Joined: 02 Apr 2003
Posts: 55
Location: London

PostPosted: Wed Apr 06, 2016 8:13 am    Post subject: Reply with quote

Thanks, I'll go see what I can do.
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