In the process of advising a user on getting a BCM4311 wireless device to work
with bcm43xx rather
than ndiswrapper, the device stopped appearing in an lspci output. The 'lspci
-vn' output
for this device before this failure was:
03:00.0 0280: 14e4:4311 (rev 01)
Subsystem: 103c:1363
Flags: fast devsel, IRQ 21
Memory at b8000000 (32-bit, non-prefetchable) [size=16K]
Capabilities: [40] Power Management version 2
Capabilities: [58] Message Signalled Interrupts: Mask- 64bit-
Queue=0/0 Enable-
Capabilities: [d0] Express Legacy Endpoint IRQ 0
Fortunately, the "customer" has two identical machines. Swapping the wireless
cards showed that both
BCM4311s work in the other computer, but neither works in the problem machine.
Kernel Version
2.6.22.4-65.fc7 is used on both.
Doing a line-by-line comparison of the dmesg outputs, the only thing that
stands out is that the line
Allocate Port Service[0000:00:03.0:pcie03]
is missing on the faulty computer. This is the bridge that should connect to
the device in question.
The BIOS has been reset and reflashed without helping the problem.
Is there anything other than some failure on the motherboard that would lead to
this situation? Is
there anything that we can try? The BIOS in this machine doesn't have many
options.
Thanks,
Larry
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