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Re: trunk's genmodes crashes on Ubuntu/Lucid (alpha2 snapshot) not on Debian/Sid [both AMD64 architecture]
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: Basile STARYNKEVITCH <basile at starynkevitch dot net>
- Cc: GCC Mailing List <gcc at gcc dot gnu dot org>
- Date: Sun, 7 Feb 2010 05:54:30 -0800
- Subject: Re: trunk's genmodes crashes on Ubuntu/Lucid (alpha2 snapshot) not on Debian/Sid [both AMD64 architecture]
- References: <4B6DEC46.3010107@starynkevitch.net> <4B6E81BC.8030507@starynkevitch.net>
On Sun, Feb 7, 2010 at 1:02 AM, Basile STARYNKEVITCH
<basile@starynkevitch.net> wrote:
> Basile STARYNKEVITCH wrote:
>>
>> Hello
>>
>> When building the gcc trunk revision 156557 on Ubuntu lucid AMD64 (the
>> alpha of the next Ubuntu release, which I upgraded just today on Febr 06,
>> 2010), I am getting a repeatable SIGSEGV from genmodes
>
>
> This is very probably an strcmp bug inside Ubuntu/Lucid
> https://bugs.launchpad.net/ubuntu/+source/eglibc/+bug/518314
>
Glibc 2.11 may have multiple versions of strmp for different processors.
You need to report:
1. 32bit or 64bit.
2. Which SSE extensions are available.
--
H.J.