Re: Kernel 2.1.117 OOPS bug report

Linus Torvalds (torvalds@transmeta.com)
Fri, 21 Aug 1998 06:01:13 -0700 (PDT)


On Thu, 20 Aug 1998, rbarnett wrote:
>
> I'm using egcs-2.90.27 980315 (egcs-1.0.2 release) with binutils
> 2.8.1.0.23.
>
> Running gdb 4.17 on vmlinux (2.1.117) displays the following output:
>
> (gdb) x/10i __switch_to
> 0xc01088d0 <__switch_to>: pushl %esi
> 0xc01088d1 <__switch_to+1>: pushl %ebx
> 0xc01088d2 <__switch_to+2>: movl 0xc(%esp,1),%ebx
> 0xc01088d6 <__switch_to+6>: movl 0x10(%esp,1),%ecx

Ok, egcs for some reason refuses to do the fastcall thing.

> Your interpretation? Shall I reinstall GNU gcc and abandon egcs?

I wonder. The above certainly implies that at least your particular
version of egcs cannot compile the current kernels, but I don't know why.
Before abandoning egcs you might want to talk to some egcs people to see
whether there is some simple way to make egcs do the right thing.

Linus

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