Re: 2.1.63 - testing Pentium bug workaround..

Simon's Mailing List Account (slk@scan.shodor.org)
Wed, 12 Nov 1997 20:52:03 -0500 (EST)


On Wed, 12 Nov 1997, Linus Torvalds wrote:

>
> I just made 2.1.63 available on the normal ftp site (ftp.kernel.org,
> direcoty pub/linux/kernel/v2.1). The most exciting change is probably the
> preliminary patch by Ingo Molnar that should work around the by now
> well-known Pentium lock-up bug. Many thanks to Ingo who put together the
> patch from various snippets of information floating around.

The pentium bugfix works the first time an 'exploit' is run,
but the chip locks the second time.

P54C/133mhz 112MB, kernel compiled with gcc 2.7.2.1
kernel compiled (accidentally) for SMP because I forgot to undefine
(i'm trying with a uniprocessor kernel now, will report with anything
different)

Simon Karpen slk@shodor.org
Sysadmin, Shodor Education Foundation

"On two occasions I have been asked [by members of Parliament!], `Pray,
Mr. Babbage, if you put into the machine wrong figures, will the right
answers come out?' I am not able rightly to apprehend the kind of
confusion of ideas that could provoke such a question."
-- Charles Babbage