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Re: [BUG] libertas: probing for Marvell USB8388 fails

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On Mon, 19 Nov 2007 11:44:02 +0100
Holger Schurig <hs4233@xxxxxxxxxxxxxxxxxxxx> wrote:

> > As long as probing fails, I doubt that my issue is firmware
> > related...
> 
> I was not sure that probing failed for you. I saw an URB submit 
> error.

Right, it looks like I didn't read carefully my logs. :)

> If usb8xxx.ko and libertas.ko get loaded, then it might be a 
> wrong firmware. When the USB driver loads, it first uses URBs to 
> send a helper firmware to the card. Then this helper firmware 
> get's started. And then it sends again URBs to the card, e.g. 
> for setup stuff. Now if the helper firmware is bogus and doesn't 
> accept the URBs to download the real firmware ...

I tried these ones,
4d80059fe935edef77c0745a426f6aab  usb8388.bin.olpc
9854fff247b970cc34fd14785384ffeb  usb8388.bin.rh
(I found both URLs in some Fedora installation script), but I still get the
same error message.

> If probing fails and udev doesn't even load usb8xxx.ko, then you 
> have an USB problem and the wireless mailing list might not be 
> of much help to you.

This is what I get when loading the libertas module with libertas_debug set
to 255:
[421322.049447] usb8xxx enter: if_usb_exit_module():1044
[421322.049502] usbcore: deregistering interface driver usb8xxx
[421322.049717] usb8xxx leave: if_usb_exit_module():1054
[421323.407779] libertas enter: libertas_exit_module():1527
[421323.407878] libertas leave: libertas_exit_module():1531
[421327.355499] libertas enter: libertas_init_module():1519
[421327.355618] libertas leave: libertas_init_module():1521
[421330.901950] usb8xxx enter: if_usb_init_module():1028
[421336.502698] usb8xxx: URB in failure status: -71
[421336.622483] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421337.992174] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421339.361828] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421340.731494] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421342.101171] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421343.470845] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421344.840515] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421346.210185] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421347.579869] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421348.949530] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421350.319203] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421350.471152] usb8xxx: probe of 1-4:1.0 failed with error -12
[421350.471354] usbcore: registered new interface driver usb8xxx
[421350.471415] usb8xxx leave: if_usb_init_module():1036, ret 0

So I would exclude that an USB problem is going on. Plus, if I load both
modules without any firmware being available, usb8xxx tells me that
request_firmware() failed:
[421274.018749] usb8xxx enter: if_usb_init_module():1028
[421274.097904] usb8xxx: request_firmware() failed with 0xfffffffe
[421274.097956] usb8xxx: firmware usb8388.bin not found
[421274.217406] usb 1-4: reset high speed USB device using ehci_hcd and address 6
[421274.369547] usb8xxx: probe of 1-4:1.0 failed with error -12
[421274.369732] usbcore: registered new interface driver usb8xxx
[421274.369792] usb8xxx leave: if_usb_init_module():1036, ret 0


--
Ciao
Stefano
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