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Re: b43 with 14e4 gives DMA error

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2009/11/1 Thomas Wiecki <thomas.wiecki@xxxxxxxxxxxxxx>:
> I did:
>
> service acpid stop
> service acpi-support stop
> (and service dell-laptop stop)
>
> processor was not loaded (I didn't blacklist it though).
>
> Still, after a minute of using the card, DMA errors occured.
>
> BIOS: It wouldn't tell me anything besides A11. It says to be a DELL
> bios (do they make their own bioses or just rebrand them?).

Dell is infamous for rebranding 3rd-party BIOSes; run this to find out
if it's actually Phoenix:
dmidecode | grep -i phoenix

This should output a line on PhoenixBIOS & Phoenix AwardBIOS, but
nothing on other BIOSes - post the exact output here to see if it's
Phoenix or Award.

>
> 2009/11/1 Gábor Stefanik <netrolller.3d@xxxxxxxxx>:
>> On Sun, Nov 1, 2009 at 1:51 PM, Thomas Wiecki
>> <thomas.wiecki@xxxxxxxxxxxxxx> wrote:
>>> 0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312
>>> 802.11b/g [14e4:4315] (rev 01)
>>>        Subsystem: Dell Device [1028:000c]
>>>        Flags: bus master, fast devsel, latency 0, IRQ 17
>>>        Memory at f1ffc000 (64-bit, non-prefetchable) [size=16K]
>>>        Capabilities: <access denied>
>>>        Kernel driver in use: wl
>>>        Kernel modules: wl, ssb
>>>
>>> A variable delay after loading the most recent b43 driver I get a lot
>>> of (I hope last nights patches would have fixed the problems, but they
>>> didn't):
>>> [ 6895.111946] b43-phy0 ERROR: Fatal DMA error: 0x00000800,
>>> 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000
>>> [ 6895.111955] b43-phy0: Controller RESET (DMA error) ...
>>> [ 6895.336490] b43-phy0: Loading firmware version 478.104 (2008-07-01 00:50:23)
>>> [ 6900.841372] b43-phy0: Controller restarted
>>>
>>> After installing the driver for the first time, I have a few minutes I
>>> can use the wifi card, after that the DMA errors start to occur. Once
>>> they occured after the first loading, they appear immediatly after
>>> each loading.
>>>
>>> Ubuntu 9.04 (most recent) with kernel 2.6.31-14-generic
>>>
>>> Laptop is Dell E6500.
>>> --
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>>
>> Does noacpi/noapic or blacklisting module "processor" have any effect on this?
>>
>> Also, is this on PhoenixBIOS?
>>
>> --
>> Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-)
>>
>



-- 
Vista: [V]iruses, [I]ntruders, [S]pyware, [T]rojans and [A]dware. :-)
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