HP XW6200: acpi errors vs SMP or Hyperthreading + bad memory detection, 2.6.16.28 and 2.6.17.11?

["Fortier,Vincent [Montreal]" <Vincent.Fortier1@EC.GC.CA>]

Hi all,

I've been running into a few troubles on our HP XW6200 workstations.

If I'm booting normally I'm getting theses errors in dmesg (happens with
or without noapic option but WITHOUT acpi=off):
EXT3-fs: mounted filesystem with ordered data mode.
Adding 2048276k swap on /dev/sda3.  Priority:-1 extents:1
across:2048276k
EXT3 FS on sda2, internal journal
ACPI Error (evgpe-0688): No handler or method for GPE[ 0], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ 1], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ 2], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ 5], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ 6], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ 7], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ 9], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ A], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[ F], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[10], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[11], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[12], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[13], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[14], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[15], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[16], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[17], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[19], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[1A], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[1B], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[1C], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[1D], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[1E], disabling
event [20060127]
ACPI Error (evgpe-0688): No handler or method for GPE[1F], disabling
event [20060127]
mice: PS/2 mouse device common for all mice
usbcore: registered new driver usbmouse


Also, if I add the acpi=off it fixes the ACPI Error msgs but then I just
can see two cpu instead of 4 (2 + hyper-threading)... Note that this
does happen with or without noapic option:
Here is my CPU description:
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 4
model name      : Intel(R) Xeon(TM) CPU 3.20GHz
stepping        : 1
cpu MHz         : 3200.728
cache size      : 1024 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 5
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe lm
constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips        : 6409.57

Top with acpi=off
top - 17:57:51 up  1:28,  3 users,  load average: 2.56, 2.61, 2.41
Tasks: 120 total,   4 running, 116 sleeping,   0 stopped,   0 zombie
 Cpu0 : 56.3% us,  5.5% sy,  0.0% ni, 31.4% id,  1.5% wa,  0.2% hi,
5.1% si
 Cpu1 : 57.3% us,  5.7% sy,  0.0% ni, 33.1% id,  1.7% wa,  0.2% hi,
2.0% si

Top without acpi=off
top - 17:58:42 up 8 min,  1 user,  load average: 0.00, 0.05, 0.03
Tasks:  84 total,   1 running,  83 sleeping,   0 stopped,   0 zombie
 Cpu0 :  0.0% us,  0.0% sy,  0.0% ni, 100.0% id,  0.0% wa,  0.0% hi,
0.0% si
 Cpu1 :  0.0% us,  0.0% sy,  0.0% ni, 100.0% id,  0.0% wa,  0.0% hi,
0.0% si
 Cpu2 :  0.0% us,  0.0% sy,  0.0% ni, 99.0% id,  0.0% wa,  0.0% hi,
1.0% si
 Cpu3 :  0.0% us,  0.0% sy,  0.0% ni, 94.4% id,  0.0% wa,  0.0% hi,
5.6% si


Also, theses workstations are either running with 4gig or 5gig of ram
(depending of the workstation..).  If the kernel is not set-up into
"bigmem" (64gig) then I can only see about 3gig of ram?

Here is the meminfo WITHOUT 64gig enabled:
MemTotal:      3370236 kB
MemFree:       3136524 kB
Buffers:          8656 kB
Cached:         119728 kB
SwapCached:          0 kB
Active:         149880 kB
Inactive:        45432 kB
HighTotal:     2228180 kB
HighFree:      2031484 kB
LowTotal:      1142056 kB
LowFree:       1105040 kB
SwapTotal:     2048276 kB
SwapFree:      2048276 kB
Dirty:               4 kB
Writeback:           0 kB
Mapped:          85092 kB
Slab:            17796 kB
CommitLimit:   3733392 kB
Committed_AS:   157468 kB
PageTables:        620 kB
VmallocTotal:   114680 kB
VmallocUsed:     43564 kB
VmallocChunk:    66036 kB


And here is WITH 64gig enabled:
MemTotal:      5189828 kB
MemFree:       3583332 kB
Buffers:        152364 kB
Cached:        1201992 kB
SwapCached:          0 kB
Active:        1098516 kB
Inactive:       368720 kB
HighTotal:     4325332 kB
HighFree:      3002304 kB
LowTotal:       864496 kB
LowFree:        581028 kB
SwapTotal:     2048276 kB
SwapFree:      2048276 kB
Dirty:            7672 kB
Writeback:           0 kB
Mapped:         166440 kB
Slab:           120676 kB
CommitLimit:   4643188 kB
Committed_AS:   299400 kB
PageTables:       2408 kB
VmallocTotal:   118776 kB
VmallocUsed:     43528 kB
VmallocChunk:    70132 kB

Has anybody ran into theses type of errors?

Thnx!

Vincent Fortier


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