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[Bug target/32264] gcc 4.2.0 compiled vanilla kernel 2.4.34.5 crashes when VIA C3 optimized -march=c3
- From: "axel at freakout dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 31 Jul 2007 18:55:15 -0000
- Subject: [Bug target/32264] gcc 4.2.0 compiled vanilla kernel 2.4.34.5 crashes when VIA C3 optimized -march=c3
- References: <bug-32264-14676@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from axel at freakout dot de 2007-07-31 18:55 -------
Subject: Re: 03.5: gcc 4.2.0 compiled vanilla
kernel 2.4.34.5 crashes when VIA C3 optimized -march=c3
According to pinskia at gcc dot gnu dot org:
> Testcase?
>
i have tracked down module by module of the kernel
and after all i found the module which caused the
kernel crash - its arch/i386/kernel/i8259.c
in the attachment is the module with compiled versions
with gcc-4.1.2 (working) and gcc-4.2.1 (crashing)
and disassembled text files.
the crash is also reproducable with gcc-4.2.1!
Axel
------- Comment #8 from axel at freakout dot de 2007-07-31 18:55 -------
Created an attachment (id=14001)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=14001&action=view)
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32264