On 11/2/2012 12:28 PM, Hans de Goede wrote:
Hi,
On 11/02/2012 02:22 PM, Logan Freijo wrote:
On 11/2/2012 5:09 AM, Hans de Goede wrote:
Hi,
On 11/02/2012 06:29 AM, Logan Freijo wrote:
<snip>
Device 09 no longer shows up.
ls -lR /sys/bus/pnp/devices/00\:09/
and
cat /sys/bus/pnp/devices/00\:09/id
return "No such file or directory"
Yeah, that is due to the pnpacpi=off option you
are using, please boot without that (or any other
special options), and then repeat the 2 above
commands. This will give us an idea if it will be
feasible to fix this in a way which will not
require passing those special kernel cmdline
options.
Regards,
Hans
Alright. Here is ls -lR /sys/bus/pnp/devices/00\:09/
/sys/bus/pnp/devices/00:09/:
total 0
lrwxrwxrwx 1 root root 0 Nov 2 09:18 driver ->
../../../bus/pnp/drivers/system
lrwxrwxrwx 1 root root 0 Nov 2 09:18 firmware_node ->
../../LNXSYSTM:00/device:00/PNP0A03:00/device:17/PNP0C02:03
-r--r--r-- 1 root root 4096 Nov 2 09:18 id
-r--r--r-- 1 root root 4096 Nov 2 09:18 options
drwxr-xr-x 2 root root 0 Nov 2 09:18 power
-rw-r--r-- 1 root root 4096 Nov 2 09:18 resources
lrwxrwxrwx 1 root root 0 Nov 2 09:17 subsystem -> ../../../bus/pnp
-rw-r--r-- 1 root root 4096 Nov 2 09:17 uevent
/sys/bus/pnp/devices/00:09/power:
total 0
-rw-r--r-- 1 root root 4096 Nov 2 09:18 async
-rw-r--r-- 1 root root 4096 Nov 2 09:18 autosuspend_delay_ms
-rw-r--r-- 1 root root 4096 Nov 2 09:18 control
-r--r--r-- 1 root root 4096 Nov 2 09:18 runtime_active_kids
-r--r--r-- 1 root root 4096 Nov 2 09:18 runtime_active_time
-r--r--r-- 1 root root 4096 Nov 2 09:18 runtime_enabled
-r--r--r-- 1 root root 4096 Nov 2 09:18 runtime_status
-r--r--r-- 1 root root 4096 Nov 2 09:18 runtime_suspended_time
-r--r--r-- 1 root root 4096 Nov 2 09:18 runtime_usage
Good, no other drivers are using this pnp-id, but:
And cat /sys/bus/pnp/devices/00\:09/id
PNP0c02
But this is bad news, this is the general pnp ID for reserving
resources, without specifying a driver to use them ...
This could mean that your ACPI code is using the device, and
the firmware authors are reserving it in a funky way. More likely
this is just a BIOS misfeature of some sorts...
Anyways there is little we can do here to fix things, as we can
not make the f71882fg driver claim that pnp id.
Regards,
Hans
Hello,
Thanks for looking into this further Hans. Is there any adverse effect
to using the pnpacpi=off option? Is it possible there is a CMOS option
that will disable the BIOS use of this resource?
Logan
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