From mboxrd@z Thu Jan 1 00:00:00 1970 From: Can selcuk Date: Fri, 24 Feb 2017 14:20:56 +0100 Subject: BCM4322 keeps switching band frequency In-Reply-To: References: <05DD45FD0E4040F797311BD512AE2B3B@DoraWin7PC> Message-ID: <891ae39a501de7b49881377ce9f89550@limsi.fr> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: b43-dev@lists.infradead.org Hi, How do I check the "scan dump" ? Could you please be more specific and explain what that means ? Best, Can Le 2017-02-23 01:56, Adrian Chadd a ?crit?: > On 22 February 2017 at 16:51, Dora Smith wrote: >> I'm confused. A MAC is not a radio. A wireless card definitely >> scans for >> things to connect to, and then you choose a connection and connect. > > The MAC has a PHY attached and a radio attached. The broadcom stuff > can actually be, hm: > > MAC <-> PHY <-> Radio > > MAC <-> PHY-2G <-> radio 2G > PHY-5G <-> radio-5G > > and some earlier things: > > MAC-2G <-> PHY-2G <-> radio-2G > MAC-5G <-> PHY-5G <-> radio-5G > > So MAC and PHY can sometimes need switching... > > > -adrian > > >> If I ever ran into the card switching frequencies, I didn't know it. >> I did >> however have constant problems with the connection. >> >> I finally gave up on that card and installed another one with a >> different >> manufacturer; no problems since. >> >> Dora >> >> -----Original Message----- From: Adrian Chadd >> Sent: Wednesday, February 22, 2017 6:30 PM >> To: Can selcuk >> Cc: b43-dev at lists.infradead.org >> Subject: Re: BCM4322 keeps switching band frequency >> >> >> Hi, >> >> That's the radio doing scanning. What's the "scan dump" output look >> like? >> >> >> -adrian >> >> >> On 22 February 2017 at 04:51, Can selcuk wrote: >>> >>> Hi I do have an old macbook (late 2008) with an embedded BCM4322 >>> wireless >>> device. I use the b43 driver and I keep getting >>> disconnected/reconnected >>> as >>> the driver switches band frequencies .. I always had this issue with >>> all >>> the kernels I used. Do you guys have any idea how to force the driver >>> working at a single frequency ?? >>> >>> dmesg : >>> >>> [ 58.001746] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 58.174227] b43-phy0 debug: Switching to 5 GHz band >>> [ 58.592232] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 58.763176] b43-phy0 debug: Switching to 5 GHz band >>> [ 59.184229] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 59.355203] b43-phy0 debug: Switching to 5 GHz band >>> [ 59.776220] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 59.947211] b43-phy0 debug: Switching to 5 GHz band >>> [ 60.368227] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 60.539231] b43-phy0 debug: Switching to 5 GHz band >>> [ 60.960210] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 61.135034] b43-phy0 debug: Switching to 5 GHz band >>> [ 61.552285] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 61.723233] b43-phy0 debug: Switching to 5 GHz band >>> [ 62.145194] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 62.321226] b43-phy0 debug: Switching to 5 GHz band >>> [ 62.736254] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 62.913209] b43-phy0 debug: Switching to 5 GHz band >>> [ 63.328209] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 63.500552] b43-phy0 debug: Switching to 5 GHz band >>> [ 63.920224] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 64.094227] b43-phy0 debug: Switching to 5 GHz band >>> [ 64.512215] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 64.685221] b43-phy0 debug: Switching to 5 GHz band >>> [ 65.112208] b43-phy0 debug: Switching to 2.4 GHz band >>> [ 65.284251] b43-phy0 debug: Switching to 5 GHz band >>> >>> >>> uname -a >>> >>> Linux djanboox 4.9.6-gentoo-r1-nouveau-kernel #2 SMP PREEMPT Wed Feb >>> 22 >>> 12:25:07 CET 2017 x86_64 Intel(R) Core(TM)2 Duo CPU P7350 @ 2.00GHz >>> GenuineIntel GNU/Linux >>> >>> lspci -vvn|grep 43 -A7 >>> 03:00.0 0280: 14e4:432b (rev 01) >>> Subsystem: 106b:008d >>> Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- >>> ParErr- >>> Stepping- SERR- FastB2B- DisINTx- >>> Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >>> >TAbort- >>> SERR- >> Latency: 0, Cache Line Size: 256 bytes >>> Interrupt: pin A routed to IRQ 20 >>> Region 0: Memory at 93100000 (64-bit, non-prefetchable) >>> [size=16K] >>> Capabilities: [40] Power Management version 3 >>> -- >>> Kernel driver in use: b43-pci-bridge >>> >>> Best, >>> Can >>> >>> _______________________________________________ >>> b43-dev mailing list >>> b43-dev at lists.infradead.org >>> http://lists.infradead.org/mailman/listinfo/b43-dev >> >> >> _______________________________________________ >> b43-dev mailing list >> b43-dev at lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/b43-dev