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This is an informational post regarding the eeepc_laptop - handling of
wlan using the rt22860sta - module on the eee1000
Adamm, using "echo 1/0 > /sys/class/rfkill/rfkill0/state is currently
exhibiting the same or similar errors with pciehp that were present in
eeepc-control 1.3.3 on hardy.
loading pciehp with "pciehp pciehp_poll_mode=1" in /etc/modules causes
the system to hard-crash immediately upon echoing 0 or 1 to .../state,
just like the original acpi-scripts did on eeepc-control 1.2.x (the ones
that were not rt2860sta-aware and did all its functions on the ath_pci -
module)
leaving the loading of pciehp out of /etc/modules (ie not calling it with
pciehp_poll_mode, or perhaps pciehp_force) causes the machine to work, but the
wireless will not properly load/unload, with the same kind of error messages:
...
Nov 5 12:16:19 minimeee kernel: [ 7765.561304] ERROR!!! BBP read
R66=0xffffffff fail
Nov 5 12:16:19 minimeee kernel: [ 7765.561523] ERROR!!! BBP read R1=0xffffffff
fail
Nov 5 12:16:19 minimeee kernel: [ 7765.561718] ERROR!!! BBP write
R1=0xffffffff fail
Nov 5 12:16:19 minimeee kernel: [ 7765.662208] ERROR!!! BBP write
R65=0xffffffff fail
Nov 5 12:16:19 minimeee kernel: [ 7765.662447] ERROR!!! BBP write
R66=0xffffffff fail
Nov 5 12:16:19 minimeee kernel: [ 7765.662651] ERROR!!! BBP write
R69=0xffffffff fail
Nov 5 12:16:19 minimeee kernel: [ 7765.662853] ERROR!!! BBP write
R70=0xffffffff fail
Nov 5 12:16:19 minimeee kernel: [ 7765.663055] ERROR!!! BBP write
R73=0xffffffff fail
Nov 5 12:16:19 minimeee kernel: [ 7765.663257] ERROR!!! BBP write
R81=0xffffffff fail
...
etc ad nauseam
Interacting with rt2860sta (via network-manager, like trying to switch
AP's) while the module has been faulty unloaded like this will cause the
machine to hard-freeze again.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
--
WIFI-toggle on rt2860sta in kernel 2.6.27-7
https://bugs.launchpad.net/bugs/294086
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