[Mono-dev] Failing make check

[Rodrigo Kumpera]

It's a runtime bug, please fill a bug report on this.

On Fri, May 1, 2009 at 5:39 AM, Paul Melis
<mono-devel at assumetheposition.nl>wrote:

> Hi,
>
> After successfully building mono 2.4 on a freshly installed ubuntu
> laptop I get a SIGILL somewhere in the basic tests:
>
> [...]
>
>
> Test run: image=/home/melis/c/mono-2.4/mono/mini/basic-float.exe,
> opts=peephole
> Results: total tests: 29, all pass
> Elapsed time: 0.004071 secs (0.000318, 0.003753), Code size: 7100
>
> Test run: image=/home/melis/c/mono-2.4/mono/mini/basic-float.exe,
> opts=branch
> Results: total tests: 29, all pass
> Elapsed time: 0.003926 secs (0.000315, 0.003611), Code size: 7299
>
> Test run: image=/home/melis/c/mono-2.4/mono/mini/basic-float.exe,
> opts=cfold
> Results: total tests: 29, all pass
> Elapsed time: 0.003806 secs (0.000313, 0.003493), Code size: 7843
>
> Test run: image=/home/melis/c/mono-2.4/mono/mini/basic-float.exe,
> opts=fcmov
> Results: total tests: 29, all pass
> Elapsed time: 0.003790 secs (0.000309, 0.003481), Code size: 7254
>
> Test run: image=/home/melis/c/mono-2.4/mono/mini/basic-float.exe, opts=simd
> Results: total tests: 29, all pass
> Elapsed time: 0.003811 secs (0.000310, 0.003501), Code size: 7843
>
> Test run: image=/home/melis/c/mono-2.4/mono/mini/basic-float.exe, opts=sse2
>
> Unhandled Exception: System.ExecutionEngineException: SIGILL
>  at Tests.test_0_conv_i () [0x00000]
> make[4]: *** [rcheck] Error 1
> make[4]: Leaving directory `/home/melis/c/mono-2.4/mono/mini'
> make[3]: *** [check-am] Error 2
> make[3]: Leaving directory `/home/melis/c/mono-2.4/mono/mini'
> make[2]: *** [check] Error 2
> make[2]: Leaving directory `/home/melis/c/mono-2.4/mono/mini'
> make[1]: *** [check-recursive] Error 1
> make[1]: Leaving directory `/home/melis/c/mono-2.4/mono'
> make: *** [check-recursive] Error 1
>
> It seems that an attempt is made to run code using optimizations that
> use SSE2 instructions, however, the laptop's CPU (an old P3) does not
> have SSE2, only SSE. I don't see any switch to ./configure to tell it to
> not assume SSE2 is available. So is this a bug in runtime CPU
> identification, or perhaps simply in the way the test cases are run? Is
> my mono installation now botched?
>
> Regards,
> Paul
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>
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