DMA overrun in i810_audio
I'm getting hundreds of thousands of "DMA overrun on send" messages in my kernel logs from the i810_audio driver. Help! I'm running stock Linux 2.4.1. -- syslog -- Feb 7 22:34:27 angeline kernel: Intel 810 + AC97 Audio, version 0.01, 22:21:54 Feb 7 2001 Feb 7 22:34:27 angeline kernel: PCI: Found IRQ 11 for device 00:1f.5 Feb 7 22:34:27 angeline kernel: PCI: Setting latency timer of device 00:1f.5 to 64 Feb 7 22:34:27 angeline kernel: i810: Intel ICH2 found at IO 0xdc00 and 0xd800, IRQ 11 Feb 7 22:34:27 angeline kernel: ac97_codec: AC97 Audio codec, id: 0x414c:0x432f (Unknown) Feb 7 22:34:27 angeline kernel: i810_audio: only 48Khz playback available. ... Feb 7 22:34:57 angeline kernel: DMA overrun on send Feb 7 22:34:57 angeline last message repeated 633 times Feb 7 22:34:57 angeline kernel: on send Feb 7 22:34:57 angeline kernel: DMA overrun on send Feb 7 22:34:58 angeline last message repeated 2740 times ... -- lspci -vvv- 00:00.0 Host bridge: Intel Corporation: Unknown device 1130 (rev 02) Subsystem: ABIT Computer Corp.: Unknown device 0402 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- 00:01.0 PCI bridge: Intel Corporation: Unknown device 1131 (rev 02) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- SERR- Reset- FastB2B- 00:1e.0 PCI bridge: Intel Corporation 82820 820 (Camino 2) Chipset PCI (rev 01) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Reset- FastB2B- 00:1f.0 ISA bridge: Intel Corporation 82820 820 (Camino 2) Chipset ISA Bridge (ICH2) (rev 01) Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- TAbort- SERR- [disabled] [size=64K] Capabilities: [60] Power Management version 1 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [44] AGP version 2.0 Status: RQ=31 SBA- 64bit- FW+ Rate=x1,x2 Command: RQ=0 SBA- AGP- 64bit- FW- Rate= 02:02.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev 08) Subsystem: Intel Corporation EtherExpress PRO/100+ Management Adapter Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- [disabled] [size=1M] Capabilities: [dc] Power Management version 2 Flags: PMEClk- DSI+ D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=2 PME- 02:03.0 Multimedia audio controller: Aureal Semiconductor Vortex 2 (rev fe) Subsystem: Diamond Multimedia Systems Monster Sound II Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- SERR- TAbort- SERR- [disabled] [size=64K] Capabilities: [dc] Power Management version 1 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- -- Michael S. Fischer <[EMAIL PROTECTED]> AKA Otterley _O_ Lead Hacketeer, Dynamine Consulting, Silicon Valley, CA | Phone: +1 650 533 4684 | AIM: IsThisOtterley | ICQ: 4218323 | "From the bricks of shame is built the hope"--Alan Wilder net.goth - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/
DMA overrun in i810_audio
I'm getting hundreds of thousands of "DMA overrun on send" messages in my kernel logs from the i810_audio driver. Help! I'm running stock Linux 2.4.1. -- syslog -- Feb 7 22:34:27 angeline kernel: Intel 810 + AC97 Audio, version 0.01, 22:21:54 Feb 7 2001 Feb 7 22:34:27 angeline kernel: PCI: Found IRQ 11 for device 00:1f.5 Feb 7 22:34:27 angeline kernel: PCI: Setting latency timer of device 00:1f.5 to 64 Feb 7 22:34:27 angeline kernel: i810: Intel ICH2 found at IO 0xdc00 and 0xd800, IRQ 11 Feb 7 22:34:27 angeline kernel: ac97_codec: AC97 Audio codec, id: 0x414c:0x432f (Unknown) Feb 7 22:34:27 angeline kernel: i810_audio: only 48Khz playback available. ... Feb 7 22:34:57 angeline kernel: DMA overrun on send Feb 7 22:34:57 angeline last message repeated 633 times Feb 7 22:34:57 angeline kernel: on send Feb 7 22:34:57 angeline kernel: DMA overrun on send Feb 7 22:34:58 angeline last message repeated 2740 times ... -- lspci -vvv- 00:00.0 Host bridge: Intel Corporation: Unknown device 1130 (rev 02) Subsystem: ABIT Computer Corp.: Unknown device 0402 Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast TAbort- TAbort- MAbort+ SERR- PERR- Latency: 0 Region 0: Memory at d800 (32-bit, prefetchable) [size=64M] Capabilities: [88] #09 [f104] Capabilities: [a0] AGP version 2.0 Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2 Command: RQ=0 SBA- AGP- 64bit- FW- Rate=none 00:01.0 PCI bridge: Intel Corporation: Unknown device 1131 (rev 02) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast TAbort- TAbort- MAbort- SERR- PERR- Latency: 32 Bus: primary=00, secondary=01, subordinate=01, sec-latency=32 I/O behind bridge: f000-0fff Memory behind bridge: dc00-ddff Prefetchable memory behind bridge: d000-d7ff BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- Reset- FastB2B- 00:1e.0 PCI bridge: Intel Corporation 82820 820 (Camino 2) Chipset PCI (rev 01) (prog-if 00 [Normal decode]) Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast TAbort- TAbort- MAbort- SERR- PERR- Latency: 0 Bus: primary=00, secondary=02, subordinate=02, sec-latency=32 I/O behind bridge: c000-cfff Memory behind bridge: de00-dfff Prefetchable memory behind bridge: fff0-000f BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- Reset- FastB2B- 00:1f.0 ISA bridge: Intel Corporation 82820 820 (Camino 2) Chipset ISA Bridge (ICH2) (rev 01) Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium TAbort- TAbort- MAbort- SERR- PERR- Latency: 0 00:1f.1 IDE interface: Intel Corporation 82820 820 (Camino 2) Chipset IDE U100 (rev 01) (prog-if 80 [Master]) Subsystem: ABIT Computer Corp.: Unknown device 0402 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium TAbort- TAbort- MAbort- SERR- PERR- Latency: 0 Region 4: I/O ports at f000 [size=16] 00:1f.2 USB Controller: Intel Corporation 82820 820 (Camino 2) Chipset USB (Hub A) (rev 01) (prog-if 00 [UHCI]) Subsystem: ABIT Computer Corp.: Unknown device 0402 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium TAbort- TAbort- MAbort- SERR- PERR- Latency: 0 Interrupt: pin D routed to IRQ 9 Region 4: I/O ports at d000 [size=32] 00:1f.4 USB Controller: Intel Corporation 82820 820 (Camino 2) Chipset USB (Hub B) (rev 01) (prog-if 00 [UHCI]) Subsystem: ABIT Computer Corp.: Unknown device 0402 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium TAbort- TAbort- MAbort- SERR- PERR- Latency: 0 Interrupt: pin C routed to IRQ 11 Region 4: I/O ports at d400 [size=32] 00:1f.5 Multimedia audio controller: Intel Corporation: Unknown device 2445 (rev 01) Subsystem: ABIT Computer Corp.: Unknown device 0402 Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium TAbort- TAbort- MAbort- SERR- PERR- Latency: 0 Interrupt: pin B routed to IRQ 11 Region 0: I/O ports at d800 [size=256]
