Bug#959845: librsvg: FTBFS on mips*el: transform::tests::parses_transform_list, transform::tests::parses_valid_transform: assertion failed: t1.y0.approx_eq(t2.y0, (epsilon, 1))

Simon McVittie smcv at debian.org
Wed May 6 11:19:57 BST 2020


Control: forwarded -1 https://gitlab.gnome.org/GNOME/librsvg/-/issues/580
Control: found -1 2.48.2-1

On Wed, 06 May 2020 at 08:54:04 +0100, Simon McVittie wrote:
> > failures:
> >
> > ---- transform::tests::parses_transform_list stdout ----
> > thread 'transform::tests::parses_transform_list' panicked at 'assertion failed: t1.y0.approx_eq(t2.y0, (epsilon, 1))', rsvg_internals/src/transform.rs:398:9
> >
> > ---- transform::tests::parses_valid_transform stdout ----
> > thread 'transform::tests::parses_valid_transform' panicked at 'assertion failed: t1.y0.approx_eq(t2.y0, (epsilon, 1))', rsvg_internals/src/transform.rs:398:9
> >
> >
> > failures:
> >     transform::tests::parses_transform_list
> >     transform::tests::parses_valid_transform
> >
> > test result: FAILED. 172 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out

This seems to be either intermittent or machine-dependent: when retried
on a different machine, the tests often pass.

There seems to be a strong correlation where this test passes on a Rhino
Labs UTM8 but fails on a Loongson 3A. Are there known issues with
Loongson 3A hardware, or is there different FPU behaviour, or something?

Good:
2.48.0-1, mips64el, mipsel-aql-03 (Rhino Labs UTM8)
2.48.0-2, mipsel, mipsel-osuosl-02 (Rhino Labs UTM8)
2.48.2-1, mips64el, mipsel-aql-03 (Rhino Labs UTM8)
2.48.2-1, mipsel, mipsel-sil-01 (Rhino Labs UTM8)
2.48.3-1, mips64el, mipsel-osuosl-01 (Rhino Labs UTM8)
2.48.3-1, mipsel, mipsel-manda-03 (Rhino Labs UTM8)

Bad:
2.48.0-2, mips64el, mipsel-manda-01 (Lemote 3A ITX-A1101 (Quad Core Loongson 3A))
2.48.2-1, mipsel, mipsel-aql-01 (LS3A-RS780-1w (Quad Core Loongson 3A))
2.48.3-1, mipsel, eberlin (LS3A-RS780-1w (Quad Core Loongson 3A))
2.48.4-1, mipsel, mipsel-aql-02 (LS3A-RS780-1w (Quad Core Loongson 3A))
2.48.4-1, mips64el, eberlin (LS3A-RS780-1w (Quad Core Loongson 3A))

Regards,
    smcv



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