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Old 04-04-2011, 05:02 PM
tinca tinca is offline
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Question bwn firmware not found
Hello,

I see this at boot:

siba_bwn0: <Broadcom BCM4312 802.11b/g Wireless> mem 0xf69fc000-0xf69fffff irq 17 at device 0.0 on pci12
bwn0 on siba_bwn0
bwn0: WLAN (chipid 0x4312 rev 15) PHY (analog 6 type 5 rev 1) RADIO (manuf 0x17f ver 0x2062 rev 2)
bwn0: DMA (64 bits)
bwn0: Using 1 MSI messages
bwn0: [FILTER]
..
bwn0: need multicast update callback
bwn0: need multicast update callback
bwn_v4_lp_ucode15: could not load firmware image, error 2
bwn0: the fw file(bwn_v4_lp_ucode15) not found
bwn-open_v4_lp_ucode15: could not load firmware image, error 2
bwn0: the fw file(bwn-open_v4_lp_ucode15) not found

Some threads earlier a similar problem appeared I read that. This seems to be different, as the bwn-firmware-kmod is installed (make install complains at the end), reinstall makes no difference.

This line should be present in loader.conf:
bwn_v4_ucode_load="YES" # Broadcom BCM43XX firmware
as claimed here:
http://forum.nginx.org/read.php?23,128191

It was not there originally, putting it there shows it among loaded modules, but does not help.
Moreover dmesg still reports the same. Why it insits on loading the other?

Before PCBSD installed I successfully used this hardware with FreeBSD 8.1.

Do I miss something or something was changed?

Any idea how to make it work?
Thanks in advance!
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Old 04-04-2011, 05:25 PM
tinca tinca is offline
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It was close...
Probably the referred link was not completely right, the loader.conf should contain the other firmware:
bwn_v4_lp_ucode_load="YES" # Broadcom BCM43XX firmware

Earlier I tried un/loading from command line, it did not work, only via boot did it.
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Old 04-04-2011, 07:17 PM
bebuxe bebuxe is offline
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Really? may that's why, your broadcom device is a low power one, so then it worked after the change in the driver that happened a little while ago (20 Mar 2011 12:54:45). But weird, that was just md5 support, nothing else....

mmmm, all I know the main firmware for most of the wireless devices (except cell phones) use bwn_v4_ucode_load="YES". And yes it has to be on boot because the the firmware writes a key at boot to "turn it on" (even though it can be turned on without the key by force).
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Old 04-04-2011, 07:27 PM
tinca tinca is offline
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Originally Posted by bebuxe View Post
Really? may that's why, your broadcom device is a low power one, so then it worked after the change in the driver that happened a little while ago (20 Mar 2011 12:54:45). But weird, that was just md5 support, nothing else....

mmmm, all I know the main firmware for most of the wireless devices (except cell phones) use bwn_v4_ucode_load="YES". And yes it has to be on boot because the the firmware writes a key at boot to "turn it on" (even though it can be turned on without the key by force).
The only thing I can say for sure, that for my case this works as I wrote.
Computer systems are phenomenological beasts ;-)
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Old 05-07-2011, 08:30 PM
smb smb is offline
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i added:
device siba_bwn
device bwn
device wlan
device wlan_amrr
device firmware

to kernel and update ports and installed :
/usr/ports/net/bwn-firmware-kmod/

also added:
if_bwn_load="YES" and bwn_v4_lp_ucode_load="YES"
to /boot/loader.cof

after my system startup my wireless card startup and work but after few minutes wireless disconnect and system log show flow errors:

May 7 16:08:49 hamkar kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657)
May 7 16:08:49 hamkar kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0
May 7 16:08:49 hamkar kernel: bwn0: HW reset: DMA error
May 7 16:08:49 hamkar kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657)
May 7 16:08:49 hamkar kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0
May 7 16:08:49 hamkar kernel: bwn0: HW reset: DMA error
May 7 16:08:49 hamkar kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657)
May 7 16:08:49 hamkar kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0
May 7 16:08:49 hamkar kernel: bwn0: HW reset: DMA error
May 7 16:08:49 hamkar kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657)
May 7 16:08:49 hamkar kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0
May 7 16:08:49 hamkar kernel: bwn0: HW reset: DMA error
May 7 16:08:49 hamkar kernel: bwn0: firmware version (rev 478 patch 104 date 0x8701 time 0x657)
May 7 16:08:49 hamkar kernel: bwn0: Fatal DMA error: 0x400 0 0 0 0 0
May 7 16:08:49 hamkar kernel: bwn0: HW reset: DMA error
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Old 05-09-2011, 09:41 PM
bebuxe bebuxe is offline
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Try bwn_v4_ucode first. may be that is why.
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