Messages in this thread | | | Date | Mon, 1 Mar 2004 12:24:28 -0800 | From | "Randy.Dunlap" <> | Subject | Re: __buggy_fxsr_alignment() not found. |
| |
On Sun, 29 Feb 2004 20:02:12 +0300 (MSK) Igor Yu. Zhbanov wrote:
| Hello! | My system is: | AMD K6-II 450 | Linux-2.4.24 | glibc-2.2.5 | | I cannot compile 2.4.24 kernel because linker says: | init/main.o: In function `check_fpu': | init/main.o(.text.init+0x53): undefined reference to `__buggy_fxsr_alignment' | | It's prototype is in inculude/asm-i386/bugs.h: | ----- | /* Enable FXSR and company _before_ testing for FP problems. */ | /* | * Verify that the FXSAVE/FXRSTOR data will be 16-byte aligned. | */ | if (offsetof(struct task_struct, thread.i387.fxsave) & 15) { | extern void __buggy_fxsr_alignment(void); | __buggy_fxsr_alignment(); | ----- | But there is no realisation of this function in source files. | When I comment the lines above, everything works. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This function is not supposed to be defined anywhere. It is there to indicate a build error and to keep the kernel build from completing successfully.
For some reason, with your config (and CPU arch.) and compiler, the 'fxsave' field is not on a 16-byte alignment. Have you applied any patches to 2.4.24? What version of gcc are you using (gcc -v)?
-- ~Randy - 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/
| |