I checked from internet. The platform is using RS780M + SB700. I don't have such board on hand. But as for SB700, we have done some test for USB ISO devices, including USB 1.1 speaker and USB 2.0 TV tuner. They all work fine on SB700. Try to disable SB power saving feature and NB power management feature in BIOS. I'm not sure it will help. The error message comes from ALSA. So maybe it is an audio driver issue. Thanks & Regards, Libin > -----Original Message----- > From: Timo Ketolainen [mailto:timo.ketolainen@xxxxxxxxxxx] > Sent: Wednesday, February 25, 2009 6:49 PM > To: Yang, Libin > Subject: Re: Problem(s) with ehci-hcd, us122l and HP laptop > > Yang, Libin wrote: > > Sorry, I can not find your original post. Can you send it to me? > > > > Thanks & Regards, > > Libin > > > > > > > > > Sorry, I didn't think about that ;) > > The original message follows. > > There's just one little difference now. I've upgraded to 2.6.29-rc6. > Made no difference. (I wasn't expecting any, though.) I'm still using > Karsten's patch so that I'm able to use the Tascam as usb 1.1 device. > > halley ~ # uname -a > Linux halley 2.6.29-rc6 #1 PREEMPT Tue Feb 24 12:32:34 EET 2009 x86_64 > AMD Sempron(tm) SI-40 AuthenticAMD GNU/Linux > > > BR, > Timo > > > Hello, > > > > I have here a HP 6735s laptop to which I've been trying to connect > > Tascam's US-122L audio interface. With no luck so far. > > > > Connection goes consistently as follows with 2.6.29-rc4 kernel > > patched with Karsten Wiese's modifications to ehci-hcd. > > > > (Same happens with both 64 bit and 32 bit - which I don't > > have around anymore, because I went to 64 since I wanted to match the > > kernel config to my desktop computer as closely as possible. On > > desktop the Tascam works like a charm... Abit/Nvidia mobo, nocona cpu) > > > > ... > > Feb 16 19:33:43 halley [ 53.338950] usb 2-3: New USB device found, > > idVendor=0644, idProduct=800e > > Feb 16 19:33:43 halley [ 53.338953] usb 2-3: New USB device strings: > > Mfr=1, Product=2, SerialNumber=3 > > Feb 16 19:33:43 halley [ 53.338955] usb 2-3: Product: US-122L > > Feb 16 19:33:43 halley [ 53.338956] usb 2-3: Manufacturer: TASCAM > > Feb 16 19:33:43 halley [ 53.338958] usb 2-3: SerialNumber: no serial > > number > > Feb 16 19:33:44 halley [ 53.448802] snd-usb-us122l 2-3:1.0: > > usb_probe_interface > > Feb 16 19:33:44 halley [ 53.448806] snd-usb-us122l 2-3:1.0: > > usb_probe_interface - got id > > Feb 16 19:33:44 halley [ 53.448812] snd-usb-us122l 2-3:1.1: > > usb_probe_interface > > Feb 16 19:33:44 halley [ 53.448814] snd-usb-us122l 2-3:1.1: > > usb_probe_interface - got id > > Feb 16 19:33:44 halley [ 53.518632] ALSA > > sound/usb/usx2y/usb_stream.c:618: 0 > > Feb 16 19:33:44 halley [ 53.524490] ALSA > > sound/usb/usx2y/usb_stream.c:618: 0 > > Feb 16 19:33:47 halley [ 56.912090] ALSA > > sound/usb/usx2y/us122l.c:330: us122l_start error -14 > > Feb 16 19:33:47 halley [ 56.912113] snd-usb-us122l: probe of 2-3:1.1 > > failed with error -5 > > Feb 16 19:33:47 halley [ 56.912144] usbcore: registered new > > interface driver snd-usb-us122l > > ... > > (complete boot log somewhere below) > > > > Using usbmon shows that the interface connects fine most of the times, > > but the transfers just freeze almost immediately after the isochronos > > transfers begin. After that nothing goes in or out until the interface > > is disconnected. > > > > As a sidenote, by Googling, it seems that there has been some problems > > with HP laptops and this interface in Win world, too. To address this > > a "AMD USB filter driver" has been released. Can't test it though, > > since I ditched Vista as soon as I got my hands on this laptop. > > > > I would be all too happy to help debugging this problem further, but - > > to be honest - I have no idea how to proceed. Like where to have some > > extra debug messages printed and such. > > > > List of information > > - kernel version > > - lspci > > - lspci -v of the ehci controller > > - root_hub_lsusb_-vvv > > - tascam_us-122l_lsusb_-vvv > > > > And I will have these in separate messages in reply to myself > > > > - halley.config - kernel .config > > - boot.log - complete boot log with connection right after boot > > > > The Kernel: > > > > halley ~ # uname -a > > > > Linux halley 2.6.29-rc4 #3 PREEMPT Sun Feb 15 18:03:41 EET 2009 x86_64 > > AMD Sempron(tm) SI-40 AuthenticAMD GNU/Linux > > > > The hardware: > > _____ > > > > halley ~ # lspci > > 00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge > > 00:01.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI > > bridge (int gfx) > > 00:04.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI > > bridge (PCIE port 0) > > 00:09.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI > > bridge (PCIE port 4) > > 00:11.0 SATA controller: ATI Technologies Inc SB700/SB800 SATA > > Controller [AHCI mode] > > 00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 > > Controller > > 00:12.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller > > 00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI > > Controller > > 00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 > > Controller > > 00:13.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller > > 00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI > > Controller > > 00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 3a) > > 00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) > > 00:14.3 ISA bridge: ATI Technologies Inc SB700/SB800 LPC host controller > > 00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge > > 00:14.5 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI2 > > Controller > > 00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 11h > > HyperTransport Configuration (rev 40) > > 00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 11h Address Map > > 00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 11h DRAM > > Controller > > 00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 11h > > Miscellaneous Control > > 00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 11h Link > Control > > 01:05.0 VGA compatible controller: ATI Technologies Inc RS780M/RS780MN > > [Radeon HD 3200 Graphics] > > 02:00.0 Ethernet controller: Marvell Technology Group Ltd. Device 4357 > > (rev 10) > > ____ > > > > And the ehci controller: > > > > halley ~ # lspci -vvv -s 12.2 > > 00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI > > Controller (prog-if 20 [EHCI]) > > Subsystem: Hewlett-Packard Company Device 30e4 > > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr- > > Stepping- SERR- FastB2B- DisINTx- > > Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- > > <TAbort- <MAbort- >SERR- <PERR- INTx- > > Latency: 64, Cache Line Size: 64 bytes > > Interrupt: pin B routed to IRQ 17 > > Region 0: Memory at 92409500 (32-bit, non-prefetchable) [size=256] > > Capabilities: [c0] Power Management version 2 > > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA > > PME(D0+,D1+,D2+,D3hot+,D3cold-) > > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > > Bridge: PM- B3+ > > Capabilities: [e4] Debug port: BAR=1 offset=00e0 > > Kernel driver in use: ehci_hcd > > Kernel modules: ehci-hcd > > ____ > > > > There's no devices, except for the us-122l, since I have disabled > > everything in bios that's not essential (for possible interference) > > > > halley ~ # lsusb > > Bus 007 Device 001: ID 1d6b:0001 > > Bus 006 Device 001: ID 1d6b:0001 > > Bus 005 Device 001: ID 1d6b:0001 > > Bus 004 Device 001: ID 1d6b:0002 > > Bus 003 Device 001: ID 1d6b:0001 > > Bus 002 Device 004: ID 0644:800e TEAC Corp. > > Bus 002 Device 001: ID 1d6b:0002 > > Bus 001 Device 001: ID 1d6b:0001 > > ____ > > > > root hub lsusb -vvv > > Bus 001 Device 001: ID 1d6b:0002 > > Device Descriptor: > > bLength 18 > > bDescriptorType 1 > > bcdUSB 2.00 > > bDeviceClass 9 Hub > > bDeviceSubClass 0 Unused > > bDeviceProtocol 0 Full speed (or root) hub > > bMaxPacketSize0 64 > > idVendor 0x1d6b > > idProduct 0x0002 > > bcdDevice 2.06 > > iManufacturer 3 Linux 2.6.29-rc4 ehci_hcd > > iProduct 2 EHCI Host Controller > > iSerial 1 0000:00:12.2 > > bNumConfigurations 1 > > Configuration Descriptor: > > bLength 9 > > bDescriptorType 2 > > wTotalLength 25 > > bNumInterfaces 1 > > bConfigurationValue 1 > > iConfiguration 0 > > bmAttributes 0xe0 > > Self Powered > > Remote Wakeup > > MaxPower 0mA > > Interface Descriptor: > > bLength 9 > > bDescriptorType 4 > > bInterfaceNumber 0 > > bAlternateSetting 0 > > bNumEndpoints 1 > > bInterfaceClass 9 Hub > > bInterfaceSubClass 0 Unused > > bInterfaceProtocol 0 Full speed (or root) hub > > iInterface 0 > > Endpoint Descriptor: > > bLength 7 > > bDescriptorType 5 > > bEndpointAddress 0x81 EP 1 IN > > bmAttributes 3 > > Transfer Type Interrupt > > Synch Type None > > Usage Type Data > > wMaxPacketSize 0x0004 1x 4 bytes > > bInterval 12 > > Hub Descriptor: > > bLength 9 > > bDescriptorType 41 > > nNbrPorts 6 > > wHubCharacteristic 0x000a > > No power switching (usb 1.0) > > Per-port overcurrent protection > > bPwrOn2PwrGood 10 * 2 milli seconds > > bHubContrCurrent 0 milli Ampere > > DeviceRemovable 0x00 > > PortPwrCtrlMask 0xff > > Hub Port Status: > > Port 1: 0000.0100 power > > Port 2: 0000.0100 power > > Port 3: 0000.0503 highspeed power enable connect > > Port 4: 0000.0100 power > > Port 5: 0000.0100 power > > Port 6: 0000.0100 power > > Device Status: 0x0003 > > Self Powered > > Remote Wakeup Enabled > > > > ____ > > > > > > And Tascam's lsusb -vvv > > > > Bus 001 Device 005: ID 0644:800e TEAC Corp. > > Device Descriptor: > > bLength 18 > > bDescriptorType 1 > > bcdUSB 2.00 > > bDeviceClass 0 (Defined at Interface level) > > bDeviceSubClass 0 > > bDeviceProtocol 0 > > bMaxPacketSize0 64 > > idVendor 0x0644 TEAC Corp. > > idProduct 0x800e > > bcdDevice 1.00 > > iManufacturer 1 TASCAM > > iProduct 2 US-122L > > iSerial 3 no serial number > > bNumConfigurations 1 > > Configuration Descriptor: > > bLength 9 > > bDescriptorType 2 > > wTotalLength 72 > > bNumInterfaces 2 > > bConfigurationValue 1 > > iConfiguration 0 > > bmAttributes 0x80 > > (Bus Powered) > > MaxPower 480mA > > Interface Descriptor: > > bLength 9 > > bDescriptorType 4 > > bInterfaceNumber 0 > > bAlternateSetting 0 > > bNumEndpoints 0 > > bInterfaceClass 255 Vendor Specific Class > > bInterfaceSubClass 0 > > bInterfaceProtocol 0 > > iInterface 0 > > Interface Descriptor: > > bLength 9 > > bDescriptorType 4 > > bInterfaceNumber 1 > > bAlternateSetting 0 > > bNumEndpoints 0 > > bInterfaceClass 255 Vendor Specific Class > > bInterfaceSubClass 0 > > bInterfaceProtocol 0 > > iInterface 0 > > Interface Descriptor: > > bLength 9 > > bDescriptorType 4 > > bInterfaceNumber 1 > > bAlternateSetting 1 > > bNumEndpoints 4 > > bInterfaceClass 255 Vendor Specific Class > > bInterfaceSubClass 0 > > bInterfaceProtocol 0 > > iInterface 0 > > Endpoint Descriptor: > > bLength 9 > > bDescriptorType 5 > > bEndpointAddress 0x81 EP 1 IN > > bmAttributes 5 > > Transfer Type Isochronous > > Synch Type Asynchronous > > Usage Type Data > > wMaxPacketSize 0x004e 1x 78 bytes > > bInterval 1 > > bRefresh 0 > > bSynchAddress 0 > > Endpoint Descriptor: > > bLength 9 > > bDescriptorType 5 > > bEndpointAddress 0x02 EP 2 OUT > > bmAttributes 5 > > Transfer Type Isochronous > > Synch Type Asynchronous > > Usage Type Data > > wMaxPacketSize 0x004e 1x 78 bytes > > bInterval 1 > > bRefresh 0 > > bSynchAddress 0 > > Endpoint Descriptor: > > bLength 9 > > bDescriptorType 5 > > bEndpointAddress 0x83 EP 3 IN > > bmAttributes 2 > > Transfer Type Bulk > > Synch Type None > > Usage Type Data > > wMaxPacketSize 0x0009 1x 9 bytes > > bInterval 4 > > bRefresh 0 > > bSynchAddress 0 > > Endpoint Descriptor: > > bLength 9 > > bDescriptorType 5 > > bEndpointAddress 0x04 EP 4 OUT > > bmAttributes 2 > > Transfer Type Bulk > > Synch Type None > > Usage Type Data > > wMaxPacketSize 0x0200 1x 512 bytes > > bInterval 4 > > bRefresh 0 > > bSynchAddress 0 > > Device Qualifier (for other device speed): > > bLength 10 > > bDescriptorType 6 > > bcdUSB 2.00 > > bDeviceClass 0 (Defined at Interface level) > > bDeviceSubClass 0 > > bDeviceProtocol 0 > > bMaxPacketSize0 64 > > bNumConfigurations 1 > > Device Status: 0x0000 > > (Bus Powered) > 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