[grsec] Hyperthreading and Xeon x86_64's

[pageexec at freemail.hu]

On 9 Dec 2005 at 21:44, John Logsdon wrote:
> I have a kernel patched on a test box (actually a Dell PE1850) with grsec
> running on a twin Xeon x86_64's. Logical processors are switched on in the
> BIOS and under an ordinary kernel, 4 logical processors are shown in
> /proc/cpuinfo etc.

# uname -a
Linux amd64-test 2.6.14 #2 SMP Fri Dec 2 11:42:05 CET 2005 x86_64                   Intel(R) Xeon(TM) CPU 3.40GHz GenuineIntel GNU/Linux
# grep processor /proc/cpuinfo
processor       : 0
processor       : 1
processor       : 2
processor       : 3

it's a dual em64t xeon as well (Dell too), so at least it works under PaX.
check or compare your dmesg's for discrepancies, maybe you can see the
problem there.