On Mon, 15 Jul 2024 17:31:30 +0500, Andrey Rakhmatullin<w...@debian.org> wrote:
>On Mon, Jul 15, 2024 at 01:42:50PM +0200, Andreas Ronnquist wrote: >> I'm maintaining a package (filezilla) which just got a bug report that >> it simply crashes on program start - It gets a SIGILL - "Illegal >> instruction". (#1076312 report [1]). >> >> After the reporter debugged it, it seems like it crashes on the >> assembler instruction "pinsrd", which looks like it was added in >> SSE4.1, while the reporter runs this on a >> >> Intel(R) Celeron(R) M CPU 420 @ 1.60GHz >> >> which only supports SSE2. (Full cpuinfo available in the report) - So, my >> question is - is this a cpu that is too old for Debian to support, or >> should we support it, and Debian gcc generates invalid code requiring SSE4.1 >> while it still should support SSE2? (Or is the problem something else >> completely?) > >Neither. >Packages built for the i386 arch need to conform to the i386 baseline, >which is currently i686. If a package contains a newer instruction it's a >bug in that package and gcc is not the cause of it, the package is. >https://buildd.debian.org/status/fetch.php?pkg=filezilla&arch=i386&ver=3.63.0-1%2Bdeb12u3&stamp=1704758683&raw=0 >indeed contains at least one compile command with -msse4.1. > >(there is also a "workaround", adding a dep on some isa-support >subpackage, but it's unlikely to be the correct course of action here and >I still don't know why is it even allowed in general) > Yeah, I have discovered that it is indeed a cause of the d/rules in the filezilla package. I blame having taken over it recently, and still haven't learned the ins and outs of it. I'll take care of it. Thanks wRAR! -- Andreas Rönnquist mailingli...@gusnan.se gus...@debian.org
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