I have exactly the same problem as ettorevi

My wireless works with 2.6.24-12 but NOT with -15 or -16

lspci:
03:00.0 Network controller: Broadcom Corporation BCM4312 802.11a/b/g (rev 02)

in messages I found the following, no idea if this is related to the
problem, but it does not show up in the -12 kernel:

Apr 15 17:35:23 bm-laptop1 kernel: [   23.038796] WARNING: at 
/build/buildd/linux-2.6.24/drivers/ssb/main.c:883 ssb_tmslow_reject_bitmask()
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038802] Pid: 1604, comm: modprobe Not 
tainted 2.6.24-16-generic #1
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038804] 
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038804] Call Trace:
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038818]  
[ssb:ssb_tmslow_reject_bitmask+0x4a/0x60] 
:ssb:ssb_tmslow_reject_bitmask+0x4a/0x60
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038825]  
[b43:ssb_device_is_enabled+0x16/0x50] :ssb:ssb_device_is_enabled+0x16/0x50
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038831]  
[ssb:ssb_pcicore_init+0x21/0x70] :ssb:ssb_pcicore_init+0x21/0x70
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038837]  
[ssb:ssb_attach_queued_buses+0x106/0x2d0] 
:ssb:ssb_attach_queued_buses+0x106/0x2d0
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038845]  
[ssb:ssb_pci_get_invariants+0x0/0x2d0] :ssb:ssb_pci_get_invariants+0x0/0x2d0
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038850]  
[ssb:ssb_bus_register+0x17e/0x200] :ssb:ssb_bus_register+0x17e/0x200
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038859]  
[ssb:ssb_bus_pcibus_register+0x32/0x60] :ssb:ssb_bus_pcibus_register+0x32/0x60
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038865]  
[ssb:ssb_pcihost_probe+0x7d/0xc0] :ssb:ssb_pcihost_probe+0x7d/0xc0
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038872]  
[pci_device_probe+0xf8/0x170] pci_device_probe+0xf8/0x170
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038878]  
[driver_probe_device+0x9c/0x1b0] driver_probe_device+0x9c/0x1b0
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038882]  [__driver_attach+0xc9/0xd0] 
__driver_attach+0xc9/0xd0
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038885]  [__driver_attach+0x0/0xd0] 
__driver_attach+0x0/0xd0
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038888]  
[scsi_mod:bus_for_each_dev+0x4d/0x100] bus_for_each_dev+0x4d/0x80
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038893]  [bus_add_driver+0xac/0x220] 
bus_add_driver+0xac/0x220
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038897]  
[nvidia:__pci_register_driver+0x69/0x4c0] __pci_register_driver+0x69/0xb0
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038903]  [ssb:init_module+0x52/0x80] 
:ssb:ssb_modinit+0x52/0x80
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038908]  
[sys_init_module+0x18e/0x1a90] sys_init_module+0x18e/0x1a90
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038916]  [<ffffffff803b97c0>] 
bus_register+0x0/0x270
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038922]  [system_call+0x7e/0x83] 
system_call+0x7e/0x83
Apr 15 17:35:23 bm-laptop1 kernel: [   23.038927]

-- 
[Hardy]Recent kernel update to 2.6.24-11 breaks b43 (with bcm4312)
https://bugs.launchpad.net/bugs/197959
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