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SubjectFIXED Re: Kernel 2.1.117 OOPS bug report
The problem was solved when I upgraded to EGCS 2.91.54 (build 980816). 
Both binary distributions of EGCS 1.0.2 and 1.0.3a did not properly
perform the "fastcall" operation in __switch_to. After manually compiling
and installing the latest EGCS snapshot, the kernel compiled and booted-up
cleanly.

Thanks everyone for your help.

--
Ryan Barnett
USC Computer Engineering

On Fri, 21 Aug 1998, Linus Torvalds wrote:

> 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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