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Re: Help requested for htslib build failure on ppc64el



Hello Michael,

On 12/31/2018 02:50 PM, Michael Crusoe wrote:
În lun., 31 dec. 2018 la 06:42, Gustavo Romero <gromero@linux.vnet.ibm.com <mailto:gromero@linux.vnet.ibm.com>> a scris:
    diff --git a/sam.c b/sam.c
    index aa94776..23233a0 100644
    --- a/sam.c
    +++ b/sam.c
    @@ -1408,7 +1408,7 @@ int sam_parse1(kstring_t *s, bam_hdr_t *h, bam1_t *b)
                   else if (type == 'S') while (q + 1 < p) { u16_to_le(strtoul(q + 1, &q, 0), (uint8_t *) str.s + str.l); str.l += 2; _skip_to_comma(q, p); }
                   else if (type == 'i') while (q + 1 < p) { i32_to_le(strtol(q + 1, &q, 0), (uint8_t *) str.s + str.l); str.l += 4; _skip_to_comma(q, p); }
                   else if (type == 'I') while (q + 1 < p) { u32_to_le(strtoul(q + 1, &q, 0), (uint8_t *) str.s + str.l); str.l += 4; _skip_to_comma(q, p); }
    -            else if (type == 'f') while (q + 1 < p) { float_to_le(strtod(q + 1, &q), (uint8_t *) str.s + str.l); str.l += 4; _skip_to_comma(q, p); }
    +            else if (type == 'f') while (q + 1 < p) { float_to_le(strtof(q + 1, &q), (uint8_t *) str.s + str.l); str.l += 4; _skip_to_comma(q, p); }
                   else _parse_err_param(1, "unrecognized type B:%c", type);

       #undef _skip_to_comma


Applying this patch and compiling under a qemu-based sid-ppc64el builder gets us to only a single test failure (yay!)

===
test_vcf_various:
         /build/htslib-1.9/htsfile -c /build/htslib-1.9/test/formatcols.vcf
         The outputs differ:
                 /build/htslib-1.9/test/formatcols.vcf
                 /build/htslib-1.9/test/formatcols.vcf.new
.. failed ...
===

Thanks for testing it!

hmm right... I'm not able to reproduce that failure on my setup.

Could you share the differences when it fails? I think a 'diff -u formatcols.vcf formatcols.vcf.new' suffices.


In the meantime, to unclog a chain of packages that have been held back from migrating to testing, I've uploaded a version of the package that uses -O0 for ppc64el only; which I agree is not ideal.

If you think this is a qemu-only test failure then I can upload a build to experimental so that real hardware is used (I don't have porter box access)

I don't know... but all debugging / testing at my side is on a ppc64el VM (qemu/kvm-only so), so probably not a VM vs baremetal issue.

Did you check if the same error happens on x86_64 when that patch is applied? Or it's still ppc64el-specific?


Cheers,
Gustavo

    Cheers,
    Gustavo

     > Cheers,
     >
     > Steffen
     >
     > On 27.12.18 15:41, Michael Crusoe wrote:
     >> https://buildd.debian.org/status/fetch.php?pkg=htslib&arch=ppc64el&ver=1.9-7&stamp=1545236716&raw=0
     >>
     >> Can I get some assistance here? Rebuilding using Qemu and the earlier source packages produces the same error, so maybe this is a regression in the compiler?
     >>
     >> --
     >> Michael R. Crusoe
     >> Co-founder & Lead, Common Workflow Language project <http://www.commonwl.org/>
     >> Direktorius, VšĮ "Darbo eigos", Vilnius, Lithuania
     >> https://orcid.org/0000-0002-2961-9670 <https://impactstory.org/u/0000-0002-2961-9670>
     >> mrc@commonwl.org <mailto:mrc@commonwl.org> <mailto:mrc@commonwl.org <mailto:mrc@commonwl.org>>
     >> +1 480 627 9108 / +370 653 11125
     >



--
Michael R. Crusoe
Co-founder & Lead, Common Workflow Language project <http://www.commonwl.org/>
Direktorius, VšĮ "Darbo eigos", Vilnius, Lithuania
https://orcid.org/0000-0002-2961-9670 <https://impactstory.org/u/0000-0002-2961-9670>
mrc@commonwl.org <mailto:mrc@commonwl.org>
+1 480 627 9108 / +370 653 11125


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