On Tuesday 08 September 2009 20:06:49 Gábor Stefanik wrote: > On Tue, Sep 8, 2009 at 7:50 PM, John Daiker<daikerjohn@xxxxxxxxx> wrote: > > On 09/08/2009 07:54 AM, Larry Finger wrote: > >> > >> Michael Buesch wrote: > >>> > >>> On Tuesday 08 September 2009 15:47:32 Dave Young wrote: > >>>> > >>>> I tested wireless-testing b43 driver, but got "Fatal DMA error" > >>>> then the controller keep restarting... > >>>> > >>>> Please tell what I can provide or test, Thanks. > >>> > >>> Is this a regression? If so, please bisect. > >> > >> It is something specific to his system as I don't see anything like > >> this. In addition, there are some users on the openSUSE forums that > >> have implemented the latest compat-wireless and switched away from > >> Broadcom wl to b43 on their LP PHY devices. So far, no complaints from > >> them. > >> > >> Please reboot so that we see the ssb output as well. Use the command > >> > >> dmesg | egrep "ssb|b43" > >> > >> That way we will be able to see exactly what kind of device you have > >> and what revisions are in it. AFAIK, the testing to date has been > >> limited to Rev 1 PHYs and Rev 2 radios. > >> > >> Larry > >> > > > > I can confirm the same issue. I have a HP Mini 1116NR with a Broadcom 4312. > > Looks to be a PHY 1, Radio 2: > > > > --snip-- > > [ 456.165296] b43-phy0 debug: Found PHY: Analog 6, Type 5, Revision 1 > > [ 456.165364] b43-phy0 debug: Found Radio: Manuf 0x17F, Version 0x2062, > > Revision 2 > > --snip-- > > > > I've attached the output of 'dmesg | egrep "ssb|b43"', my kernel config, and > > lspci -vv and lspci -nn > > > > Note: With the dmesg output, I had unloaded the b43 module previous > > 'modprobe -r b43' and then loaded it again with debug output: 'modprobe b43 > > verbose=3' > > > > John Daiker > > > > Again, please test with v478 or v5xx firmware. > This won't help. The DMA engine reports a descriptor error. That means the device was unable to fetch the control data via DMA. Most of the time this indicates a bug/failure/quirk in the platform DMA implementation. -- Greetings, Michael. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
