Re: invlpg produces strange sig11 on PentiumPro box

[Poul-Henning Kamp]

In message <[EMAIL PROTECTED]>, KATO Takenori writ
es:
>Poul-Henning Kamp <[EMAIL PROTECTED]> wrote:
>
>> I'm against this patch.  This is so specific and marginal to a
>> out-of-spec hardware configuration, that it should not be put in
>> the FreeBSD tree.
>
>I'm not 100% sure but I think the signal 11 problem is result from the
>CPU errata.  There is the invlpg related errata and it has been fixed
>in stepping sB0 (cpuid = 0x619).  I have both sA0 (cpuid = 0x617) and
>sB0 steppings and the signal 11 problem occurs only with the sA0
>stepping.

If we are talking about errata #34 the correct solution is to not use
4MB pages.

--
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED]         | TCP/IP since RFC 956
FreeBSD coreteam member | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.


To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-hackers" in the body of the message