Sound like \_SB.INV7 is a bit into a GPIO.
More, the associated OR is defined like that:
OperationRegion (GPIO, SystemIO, IO2B, 0x40)
Note that IO2B is given here:
OperationRegion (BIOS, SystemMemory, 0x1FF50064, 0xFF)
Field (BIOS, ByteAcc, NoLock, Preserve)
{
SS1, 1,
SS2, 1,
SS3, 1,
SS4, 1,
Offset (0x01),
IOST, 16,
SPIO, 16,
PMBS, 16,
PMLN, 8,
SMBS, 16,
SMLN, 8,
IO1B, 16,
IO1L, 8,
IO2B, 16,
IO2L, 8,
TOPM, 32,
ROMS, 32,
Therefore one think to check is that IO2B is set correctly to point to
the GPIO's, then look if the GPIO is configured as a GPO (not as a GPI).
For checking if IO2B is correct:
sudo dd if=/dev/mem bs=1c skip=536150130 count=2 | hexdump
Here it get's strange :
scotchmobil scotch # dd if=/dev/mem bs=1c skip=536150130 count=2
dd: reading `/dev/mem': Bad address
0+0 records in
0+0 records out
./acpixtract FACP < acpidump.out | ./acpitbl
where acpidump.txt is the output from ./acpidump. I assume you know
what I'm talking about reading the bugzilla report, or else do something
like that:
wget
ftp://ftp.kernel.org//pub/linux/kernel/people/lenb/acpi/utils/pmtools-20050926.tar.bz2
tar xjvfp pmtools-20050926.tar.bz2
cd pmtools
make
cd acpidump
sudo ./acpidmp > acpidmp.out
I think the value given by the 'sudo dd' above should correspond to the
GPE0_BLK: field from the ./acpitbl above.
For checking if the register where the INV7 is defined is configured as
a GPO, well I have to know the ouput from 'lspci -v -xxx -s"the southbridge"'
Uhm as far as I know "the southbridge" is is the Intel 82801. There are
more than one 82801 devices, so I just post all except the USB devices,
sorry for that :
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 83)
(prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=64
I/O behind bridge: 00001000-00001fff
Memory behind bridge: ff900000-ff9fffff
Prefetchable memory behind bridge: dea00000-deafffff
00: 86 80 48 24 07 01 80 80 83 00 04 06 00 00 01 00
10: 00 00 00 00 00 00 00 00 00 02 02 40 10 10 80 02
20: 90 ff 90 ff a0 de a0 de 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06 00
40: 02 28 20 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 02 74 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 10 00 08 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 01 00 02 00 00 00 c0 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 60 0f 00 00 00 00 2c 48
00:1f.0 ISA bridge: Intel Corporation 82801DBM (ICH4-M) LPC Interface
Bridge (rev 03)
Flags: bus master, medium devsel, latency 0
00: 86 80 cc 24 0f 01 80 02 03 00 01 06 00 00 80 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
40: 01 04 00 00 10 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 01 05 00 00 10 00 00 00
60: 0b 04 0a 05 90 00 00 00 80 80 80 0a 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: ff fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 28 03 00 00 00 00 00 00 0d 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 80 02 02 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 02 28 00 00 02 cf 00 00 04 00 00 00 00 00 00 00
e0: 12 00 00 c0 00 00 06 34 33 22 11 00 00 00 67 45
f0: 00 00 01 00 00 00 00 00 60 0f 03 00 00 00 80 02
00:1f.1 IDE interface: Intel Corporation 82801DBM (ICH4-M) IDE
Controller (rev 03) (prog-if 8a [Master SecP PriP])
Subsystem: ASUSTeK Computer Inc. Unknown device 1869
Flags: bus master, medium devsel, latency 0, IRQ 10
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at <unassigned>
I/O ports at ffa0 [size=16]
Memory at 30000000 (32-bit, non-prefetchable) [size=1K]
00: 86 80 ca 24 07 00 80 02 03 8a 01 01 00 00 00 00
10: 01 00 00 00 01 00 00 00 01 00 00 00 01 00 00 00
20: a1 ff 00 00 00 00 00 30 00 00 00 00 43 10 69 18
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 01 00 00
40: 07 e3 07 e3 00 00 00 00 05 00 01 02 00 00 00 00
50: 00 00 00 00 31 14 00 00 00 00 00 00 00 00 00 00
60: 08 00 00 00 00 00 00 00 08 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 60 0f 00 00 00 00 00 00
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
SMBus Controller (rev 03)
Subsystem: ASUSTeK Computer Inc. Unknown device 1869
Flags: medium devsel
I/O ports at 0540 [size=32]
00: 86 80 c3 24 01 00 80 02 03 00 05 0c 00 00 00 00
10: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
20: 41 05 00 00 00 00 00 00 00 00 00 00 43 10 69 18
30: 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00 00
40: 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
50: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
60: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
70: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
90: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
f0: 00 00 00 00 00 00 00 00 60 0f 00 00 00 00 00 00
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