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SubjectRe: Fatal Oops on boot with 2.4.0testX and recent GCC snapshots
On Sun, 24 Dec 2000, Andreas Franck wrote:

> Hello Mike, hello linux-kernel hackers,
>
> Mike Galbraith wrote:
>
> > Yes, hmm indeed. Try these two things.
> >
> > 1. make DECLARE_MUTEX_LOCKED(sem) in bdflush_init() static.
> > 2. compile with frame pointers. (normal case for IKD)
> >
> > My IKD tree works with either option, but not with neither. I haven't
> > figured out why yet.
>
> 1 worked for me, too - with the same effect as compiling buffer.c with
> 2.95.2, thus meaning successful boot and heavy crashing later on.
> I haven't tried to boot 2 yet, but this looks seriously fishy to me. It would
> be nice if we could make a simpler testcase to reproduce it, as it's much
> work to boot the kernel over and over again.

I wouldn't (not going to here;) spend a lot of time on it. The compiler
has problems. It won't build glibc-2.2, and chokes horribly on ipchains.

int ipt_register_table(struct ipt_table *table)
{
int ret;
struct ipt_table_info *newinfo;
static struct ipt_table_info bootstrap
= { 0, 0, { 0 }, { 0 }, { } };
^
ip_tables.c:1361: Internal compiler error in array_size_for_constructor, at varasm.c:4456

-Mike

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