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i found a bug in linux-2.4.35. the bug produces a crashing kernel when compiled with gcc >=4.2.0 and VIA C3 optimized -march=c3 (CONFIG_MCYRIXIII=y) this issue was first discussed on the gcc bugzilla: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32264 and tracked down to the include/asm-i386/hw_irq.h module with the help of the gcc guys: (pluto at agmk dot net) wrote: >yup, i see something new :) > >please look at line 12137 of i8259.i: > >__attribute__((regparm(0))) void call_do_IRQ(void); __asm__(... > >as you can see there is a semicolon after call_do_IRQ(void) >and following asm statement isn't treated as a function body. >in this way -O1 -f{no-}unit-at-a-time accidentally produces >different code. it's not a gcc bug. > >linux-2.4.35/include/asm-i386/hw_irq.h >contains these evil macros. is there a chance to fix this? these macros a far beyond my capabilities to fix. Axel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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