libertas: command 1f timed out error

Dan Williams dcbw at
Wed Sep 24 06:51:06 EDT 2008

On Wed, 2008-09-24 at 10:13 +0530, Ram kumar wrote:
> hi ,
> > Which exact firmware version are you using?  Also, what kernel version
> > are you using, and is the driver you are using patched at all?
> I guess when we modprobe the libertas_sdio module,it gives the
> firmware version also.
> From that i guess the firmware version is fw 8.73.7p3
> I am using a kernel version linux 2.6.25 and i have applied the patch
> for firmware download,which i have mentioned in my last mail.
> I dont know whether i have to apply any other patch for linux
> 2.6.25.Please let me know if there is any other patch to be applied to
> correct this problem.....
> # modprobe libertas_sdio
>  libertas_sdio: Libertas SDIO driver
>  libertas_sdio: Copyright Pierre Ossman
> *******FIRMWARE VERSION************* //Commented by me for easy reference.
>  libertas: 00:19:88:05:10:17, fw 8.73.7p3, cap 0x00000393
> ***********************************************
> libertas: PREP_CMD: command 0x00a3 failed: 2
>  libertas: PREP_CMD: command 0x00a3 failed: 2
>  libertas: eth1: Marvell WLAN 802.11 adapter
> >
> > This particular problem looks like the firmware is just going off into
> > the weeds and not responding to the last command it was sent within the
> > right amount of time, thus the driver tries to poke it with a harmless
> > command (GET_RSSI).
> Please guide me what firmware to use for the correct working of the
> libertas driver.Please give me the link where i can get those
> firmwares....I know marvell doesn't play well with open source
> community....but linuxwireless website has posted some links for
> firmware for marvel...but i think those firmwares are old and it is
> for USB interface.Please guide me what firmware version to use and
> where to get it.......
> >
> > Also, could you modprobe the libertas module with
> > "libertas_debug=0x5863a7" and post some logs?  That will spit out a lot
> > of useful debuginfo into your kernel log buffer.
> When i try
> #modprobe libertas_sdio libertas_debug=0x5863a7    it says........

Ah :)

modprobe libertas libertas_debug=0x5863a7
modprobe libertas_sdio

will get you what you need.


> libertas_sdio: Unknown parameter 'libertas_debug'
> FATAL: Error inserting libertas_sdio
> (/lib/modules/2.6.25/kernel/drivers/net/wireless/libertas/libertas_sdio.ko):
> unknown symbol in module)
> Am i framing the modprobe command wrongly...???.Is the above syntax
> for the modprobe command is correct....????
> If not please guide me to frame the modprobe command....Please let me
> know is there any patch to be applied to get the
> libertas_debug=0x5863a7 to work....
> Regards,
> Ram

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