Return-path: Received: from ug-out-1314.google.com ([66.249.92.171]:46699 "EHLO ug-out-1314.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753150AbYBRH0h (ORCPT ); Mon, 18 Feb 2008 02:26:37 -0500 Received: by ug-out-1314.google.com with SMTP id z38so281845ugc.16 for ; Sun, 17 Feb 2008 23:26:35 -0800 (PST) Message-ID: <47B93303.506@gmail.com> (sfid-20080218_072640_702116_4E403F57) Date: Mon, 18 Feb 2008 08:25:55 +0100 From: Ronald Reply-To: ronald645@gmail.com MIME-Version: 1.0 To: ronald645@gmail.com CC: linux-wireless@vger.kernel.org Subject: Re: [BUG?] b43: Wireless signal lowers when increasing sound References: <47B93277.5030304@gmail.com> In-Reply-To: <47B93277.5030304@gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: > hey, > > I'm currently using the b43 driver for my BCM4311 chipset. The driver > works extremely well. It is the only option under Linux that supports > WPA-AES with wpa_supplicant :) (and it's more stable than > wpa_supplicant). However, I'm seeing some unexpected behaviour with the > card and another chipset. When I enable my soundcard (setting volume > from 0 to > 0) the wireless signal seems to drop completely (really > funny to see my downloadspeeds go up and down :) ). My question is, is > this normal? > > However, I'm not sure if this is related to the b43 driver so don't > flame me ;) > > TIA, Ronald > Btw, here are my specs (Compaq Presario V6221EU): 00:00.0 RAM memory [0500]: nVidia Corporation C51 Host Bridge [10de:02f0] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0 Capabilities: [44] HyperTransport: Slave or Primary Interface Capabilities: [e0] HyperTransport: MSI Mapping Enable- Fixed- 00:00.1 RAM memory [0500]: nVidia Corporation C51 Memory Controller 0 [10de:02fa] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: 66MHz, fast devsel 00:00.2 RAM memory [0500]: nVidia Corporation C51 Memory Controller 1 [10de:02fe] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: 66MHz, fast devsel 00:00.3 RAM memory [0500]: nVidia Corporation C51 Memory Controller 5 [10de:02f8] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: 66MHz, fast devsel 00:00.4 RAM memory [0500]: nVidia Corporation C51 Memory Controller 4 [10de:02f9] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0 00:00.5 RAM memory [0500]: nVidia Corporation C51 Host Bridge [10de:02ff] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0 Capabilities: [44] #00 [00fe] Capabilities: [fc] #00 [0000] 00:00.6 RAM memory [0500]: nVidia Corporation C51 Memory Controller 3 [10de:027f] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: 66MHz, fast devsel 00:00.7 RAM memory [0500]: nVidia Corporation C51 Memory Controller 2 [10de:027e] (rev a2) Flags: 66MHz, fast devsel 00:02.0 PCI bridge [0604]: nVidia Corporation C51 PCI Express Bridge [10de:02fc] (rev a1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 00004000-00004fff Memory behind bridge: b4000000-b5ffffff Prefetchable memory behind bridge: 00000000d0000000-00000000d01fffff Capabilities: [40] Subsystem: nVidia Corporation Unknown device [10de:0000] Capabilities: [48] Power Management version 2 Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable- Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport-driver 00:03.0 PCI bridge [0604]: nVidia Corporation C51 PCI Express Bridge [10de:02fd] (rev a1) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 Memory behind bridge: b6000000-b7ffffff Capabilities: [40] Subsystem: nVidia Corporation Unknown device [10de:0000] Capabilities: [48] Power Management version 2 Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/1 Enable- Capabilities: [60] HyperTransport: MSI Mapping Enable- Fixed- Capabilities: [80] Express Root Port (Slot+), MSI 00 Capabilities: [100] Virtual Channel Kernel driver in use: pcieport-driver 00:05.0 VGA compatible controller [0300]: nVidia Corporation C51 [Geforce 6150 Go] [10de:0244] (rev a2) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 21 Memory at b2000000 (32-bit, non-prefetchable) [size=16M] Memory at c0000000 (64-bit, prefetchable) [size=256M] Memory at b1000000 (64-bit, non-prefetchable) [size=16M] [virtual] Expansion ROM at 50000000 [disabled] [size=128K] Capabilities: [48] Power Management version 2 Capabilities: [50] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Kernel driver in use: nvidia Kernel modules: nvidia 00:09.0 RAM memory [0500]: nVidia Corporation MCP51 Host Bridge [10de:0270] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0 Capabilities: [44] HyperTransport: Slave or Primary Interface Capabilities: [e0] HyperTransport: MSI Mapping Enable+ Fixed- 00:0a.0 ISA bridge [0601]: nVidia Corporation MCP51 LPC Bridge [10de:0260] (rev a3) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0 I/O ports at 1d00 [size=128] 00:0a.1 SMBus [0c05]: nVidia Corporation MCP51 SMBus [10de:0264] (rev a3) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: 66MHz, fast devsel, IRQ 10 I/O ports at 3040 [size=64] I/O ports at 3000 [size=64] Capabilities: [44] Power Management version 2 00:0a.3 Co-processor [0b40]: nVidia Corporation MCP51 PMU [10de:0271] (rev a3) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 10 Memory at b0040000 (32-bit, non-prefetchable) [size=256K] 00:0b.0 USB Controller [0c03]: nVidia Corporation MCP51 USB Controller [10de:026d] (rev a3) (prog-if 10 [OHCI]) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 19 Memory at b0004000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Kernel driver in use: ohci_hcd 00:0b.1 USB Controller [0c03]: nVidia Corporation MCP51 USB Controller [10de:026e] (rev a3) (prog-if 20 [EHCI]) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 19 Memory at b0005000 (32-bit, non-prefetchable) [size=256] Capabilities: [44] Debug port: BAR=1 offset=0098 Capabilities: [80] Power Management version 2 Kernel driver in use: ehci_hcd 00:0d.0 IDE interface [0101]: nVidia Corporation MCP51 IDE [10de:0265] (rev f1) (prog-if 8a [Master SecP PriP]) Subsystem: Unknown device [f03c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0 [virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled] [size=8] [virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled] [size=1] [virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled] [size=8] [virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled] [size=1] I/O ports at 3080 [size=16] Capabilities: [44] Power Management version 2 Kernel driver in use: pata_amd 00:0e.0 IDE interface [0101]: nVidia Corporation MCP51 Serial ATA Controller [10de:0266] (rev f1) (prog-if 85 [Master SecO PriO]) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 18 I/O ports at 30c0 [size=8] I/O ports at 30b4 [size=4] I/O ports at 30b8 [size=8] I/O ports at 30b0 [size=4] I/O ports at 3090 [size=16] Memory at b0006000 (32-bit, non-prefetchable) [size=4K] Capabilities: [44] Power Management version 2 Capabilities: [b0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/2 Enable- Capabilities: [cc] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: sata_nv 00:10.0 PCI bridge [0604]: nVidia Corporation MCP51 PCI Bridge [10de:026f] (rev a2) (prog-if 01 [Subtractive decode]) Flags: bus master, 66MHz, fast devsel, latency 0 Bus: primary=00, secondary=07, subordinate=07, sec-latency=0 Capabilities: [b8] Subsystem: Gammagraphx, Inc. Unknown device [0000:0000] Capabilities: [8c] HyperTransport: MSI Mapping Enable- Fixed- 00:10.1 Audio device [0403]: nVidia Corporation MCP51 High Definition Audio [10de:026c] (rev a2) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 20 Memory at b0000000 (32-bit, non-prefetchable) [size=16K] Capabilities: [44] Power Management version 2 Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/0 Enable- Capabilities: [6c] HyperTransport: MSI Mapping Enable- Fixed+ Kernel driver in use: HDA Intel 00:14.0 Bridge [0680]: nVidia Corporation MCP51 Ethernet Controller [10de:0269] (rev a3) Subsystem: Hewlett-Packard Company Presario V6133CL [103c:30b7] Flags: bus master, 66MHz, fast devsel, latency 0, IRQ 17 Memory at b0008000 (32-bit, non-prefetchable) [size=4K] I/O ports at 30e0 [size=8] Capabilities: [44] Power Management version 2 Kernel driver in use: forcedeth 00:18.0 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration [1022:1100] Flags: fast devsel Capabilities: [80] HyperTransport: Host or Secondary Interface 00:18.1 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map [1022:1101] Flags: fast devsel 00:18.2 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller [1022:1102] Flags: fast devsel 00:18.3 Host bridge [0600]: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control [1022:1103] Flags: fast devsel Capabilities: [f0] Secure device Kernel driver in use: k8temp 03:00.0 Network controller [0280]: Broadcom Corporation BCM94311MCG wlan mini-PCI [14e4:4311] (rev 01) Subsystem: Hewlett-Packard Company Unknown device [103c:1364] Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at b6000000 (32-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 2 Capabilities: [58] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable- Capabilities: [d0] Express Legacy Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [13c] Virtual Channel Kernel driver in use: b43-pci-bridge