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[Xen-devel] Re: compilation fails with __stack_check_fail in xen-3.0.4

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Subject: [Xen-devel] Re: compilation fails with __stack_check_fail in xen-3.0.4
From: Kendrick <gmane@xxxxxxxxxxxxxxxxxxxx>
Date: Sun, 6 May 2007 16:19:23 +0000 (UTC)
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pradeep singh rautela <rautelap <at> gmail.com> writes:

> Hi All,I downloaded the xen-3.0.4 source from xensource site and compiled it
from source.On giving a make world , the make fails after almost finishing the
compilation. The error i got is - init/built-
> in.o: In function `try_name':do_mounts.c:(.text+0x5f3): undefined reference to
`__stack_chk_fail'init/built-in.o: In function `name_to_dev_t':(.text+0x8db):
undefined reference to `__stack_chk_fail'
> init/built-in.o: In function `change_floppy':(.init.text+0xa61): undefined
reference to `__stack_chk_fail'init/built-in.o: In function
`mount_block_root':(.init.text+0xca8): undefined reference to `__stack_chk_fail'
> init/built-in.o: In function `md_run_setup':(.init.text+0x4176): undefined
reference to `__stack_chk_fail'init/built-in.o:initramfs.c:(.init.text+0x4d73):
more undefined references to `__stack_chk_fail' follow
> make[4]: *** [.tmp_vmlinux1] Error 1make[4]: Leaving directory
`/opt/xen-3.0.4_1-src/linux-'make[3]: *** [build] Error 2make[3]:
Leaving directory `/opt/xen-3.0.4_1-src'make[2]: *** [
> linux-2.6-xen-install] Error 2make[2]: Leaving directory
`/opt/xen-3.0.4_1-src'make[1]: *** [install-kernels] Error 1I am not able to
understand the error messages and their intended purpose in built-in.o
>  . Also i am not able to find the __stack_chk_fail being referred from any of
these functions. Are these some linker specific symbols or similar? Please note
i am running Ubuntu6.10 Edgy Eft.GCC 4.1 
> Kernel (This is not required i guess)Somehow i suspect gcc4.1 is
playing the spoilsport here.  Any help?Thanks~psr-- ---pradeep singh rautela
> "Genius is 1% inspiration, and 99% perspiration" - not me :)
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-fno-stack-protector  ran in to it with my x86_64 system.  since 4.1 has ssp it
has to be turned off for the kernel as i under stand it. 

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