Re: Signal 7 and "Couldn't get a free page..."
Ingo Molnar (mingo@pc5829.hil.siemens.at)
Mon, 28 Apr 1997 18:13:34 +0200 (MET DST)
> > I got this on three different machines. Everybody would say that it's a
> > classical hardware problem (see http://www.bitwizard.nl/sig11), but too
> > many machines are affected so I cannot believe it's a hardware problem.
>
> ok, if you can reproduce it easily, could you try the following debug
> patch, it puts the reason for the SIGBUS (signal 7) into the syslog. [well
> there are two more possible reasons for SIGBUS that this patch doesnt
> handle, but they are _very_ unlikely in the case of GCC]
and i forgot to mention that if you get _no_ syslog output then it's one
of those two stack segment exceptions, which are _very_ unlikely in
typical Linux programs, which thus makes a hardware problem much more
likely.
-- mingo