On 03/21/15 21:38, Jürgen Bausa wrote:
Arend van Spriel<arend@...> writes:
CONFIG_BRCM_TRACING is another way to get debug output, but I guess that
is not enabled either.
Just found this via google to enable wlan:
1. the nvram file under /sys/firmware/efi/efivars/ has a wrong MAC address.
I changed it to the correct one. However, I am not sure if this is really
necassary.
That MAC address is only used for device that do have mac address in the
device so you can ignore that one.
2. Found the following on the web:
rmmod brcmfmac
rmmod brcmutil
echo on> /sys/bus/platform/drivers/sdhci-acpi/INT33BB\:00/power/control
modprobe brcmfmac
After this, I can connect to wlan!
Ah, I was wondering what type of sdio host controller was used. When
sdio host controller uses runtime-pm it affect communication with wlan
device. I recently posted a patch for that [1].
Does this give you enough information to find out, what the problem is? Or
do you still need DBG output from the driver? if so, just tell me and I will
try to compile and install the kernel with DBG turnded on. Its not a big
deal but I stopped working on it as I found this workaround.
At the momment I am trying to put these commands to rc,local. With limited
success until now, But this may be caused by the fact, that they are
executed too early. Will add some sleep.
Might be the driver is already loaded before root file system is loaded
(from initramfs).
Another thing I found out is, that the system sometimes comes up without
wlan0. It seems I have it only on every second boot. However, this could be
just by incident and it is not exactly every second boot but about 50 % of
all boots.
Is that after reboot or really after powerup. Curious whether there is a
difference between the two regarding this issue.
Regards,
Arend
[1] https://patchwork.kernel.org/patch/6038511/
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