Public bug reported:
The Broadcom 4311/12 wireless chips require firmware when using the b43 driver.
This firmware is available from Broadcom (which is put into /lib/firmware/b43)
or as open source (which is put into /lib/firmware/b43-open). Either firmware
works, but when the proprietary Broadcom firmware is not present in .../b43,
shutdown takes an extra minute, after the log file line "could not find
.../b43/ucode5.fw". After a minute, shutdown completes normally.
Adding in the Broadcom firmware lets shutdown proceed without the minute
delay. This behavior is new with the 11.10 release.
Note the below udev items from /var/log/udev are probably the cause of this
problem.
...
KERNEL[18.445953] remove /devices/pci0000:00/0000:00:02.0/0000:01:00.0/ssb0:0$
UDEV_LOG=3
ACTION=remove
DEVPATH=/devices/pci0000:00/0000:00:02.0/0000:01:00.0/ssb0:0/firmware/ssb0:0
SUBSYSTEM=firmware
FIRMWARE=b43/ucode5.fw
TIMEOUT=60
ASYNC=0
SEQNUM=1822
.....
and many other FIRMWARE=b43/...fw paragraphs
** Affects: b43-fwcutter (Ubuntu)
Importance: Undecided
Status: New
** Package changed: ubuntu => b43-fwcutter (Ubuntu)
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https://bugs.launchpad.net/bugs/879120
Title:
11.10 shutdown delay of 1 min when using the open source Broadcom
firmware
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