New: SSE2 enabled by default on Celeron (P4 based)

[Mikael Pettersson]

Martin J. Bligh writes:
 > http://bugme.osdl.org/show_bug.cgi?id=527
 > 
 >            Summary: SSE2 enabled by default on Celeron (P4 based)
 >     Kernel Version: 2.5.64
 >             Status: NEW
 >           Severity: normal
 >              Owner: [e-mail]
 >          Submitter: [e-mail]
 > 
 > 
 > Distribution: Customised RH 7.1 with many mods
 > Hardware Environment: Celeron i686 (P4 based)
 > Software Environment: gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-81)
 > 
 > Problem Description: Kernel compiles OK, but at boot kernel panics as CPU
 > doesn't support SSE2
 > 
 > Steps to reproduce: Compile kernel choosing *any* Celeron option
 > 
 > /proc/cpuinfo:-
 > processor       : 0
 > vendor_id       : GenuineIntel
 > cpu family      : 6
 > model           : 11

This is NOT a P4-based Celeron. It's a P6 Tualatin Celeron, and as such,
it does not support SSE2.

This CPU needs a kernel configured for a Pentium III or less.