[Trac #1480] wireless failure

[Zarro Boogs per Child]

#1480: wireless failure
----------------------+-----------------------------------------------------
 Reporter:  dwmw2     |       Owner:  marcelo  
     Type:  defect    |      Status:  new      
 Priority:  normal    |   Milestone:  Untriaged
Component:  wireless  |     Version:           
 Keywords:            |    Verified:  0        
----------------------+-----------------------------------------------------
 After unloading and reloading the wireless driver modules (libertas.ko and
 usb8xxx.ko) the device didn't reinitialise.

 {{{
 [  223.254374] PM: Adding info for No Bus:usbdev1.2_ep02
 [  223.256365] PM: Adding info for No Bus:usbdev1.2_ep83
 [  230.439965] PM: Adding info for No Bus:msh0
 [  230.501823] PM: Adding info for No Bus:1-1
 [  230.581809] PM: Removing info for No Bus:1-1
 [  232.954502] libertas: firmware not ready
 [  236.079730] usb8xxx: URB in failure status: -71
 [  236.192796] usb 1-1: reset high speed USB device using ehci_hcd and
 address 2
 [  237.892184] libertas: firmware not ready
 [  239.317002] usb 1-1: device descriptor read/64, error -110
 [  254.542378] usb 1-1: device descriptor read/64, error -110
 [  254.772514] usb 1-1: reset high speed USB device using ehci_hcd and
 address 2
 [  257.886639] usb 1-1: device descriptor read/64, error -110
 [  272.936204] libertas: firmware not ready
 [  273.114116] usb 1-1: device descriptor read/64, error -110
 [  273.347958] usb 1-1: reset high speed USB device using ehci_hcd and
 address 2
 [  283.762314] usb 1-1: device not accepting address 2, error -110
 [  283.882110] usb 1-1: reset high speed USB device using ehci_hcd and
 address 2
 [  294.298628] usb 1-1: device not accepting address 2, error -110
 [  294.299457] usb 1-1: USB disconnect, address 2
 [  294.299729] libertas: firmware init failed
 [  307.872460] libertas: firmware not ready
 [  442.775166] libertas: firmware not ready
 [  577.668157] libertas: firmware not ready
 }}}

 When this happens, 'modprobe' hangs -- the initialisation never times out.

 {{{
 [  691.476960] modprobe      D 85A17F69  2252  2496   2411 (NOTLB)
 [  691.477004]        ced03d80 00200082 00000033 85a17f69 00000044
 00000126 00000000 00000009
 [  691.477052]        c954eab0 85a39a7d 00000044 00001e3f c954ebd0
 c05d82f5 ced03d88 c32ab780
 [  691.477103]        c041eb83 cbd25420 c16133e0 00000001 c1613e34
 c041c007 00000000 c954eab0
 [  691.477154] Call Trace:
 [  691.477193]  [<c05d82f5>] _spin_lock_irqsave+0x18/0x1d
 [  691.477225]  [<c041eb83>] prepare_to_wait+0x24/0x3f
 [  691.477264]  [<c041c007>] flush_cpu_workqueue+0x60/0x87
 [  691.477298]  [<c041ea39>] autoremove_wake_function+0x0/0x35
 [  691.477339]  [<c041c0ad>] destroy_workqueue+0x9/0x54
 [  691.477372]  [<d0906062>] libertas_activate_card+0x192/0x2bb [libertas]
 [  691.477490]  [<d08cead8>] if_usb_probe+0x3c7/0x41d [usb8xxx]
 [  691.477538]  [<c0489232>] sysfs_create_link+0x128/0x13e
 [  691.477591]  [<c0547e23>] usb_probe_interface+0x5d/0x7f
 ...
 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/1480>
One Laptop Per Child <http://laptop.org/>