On Fri, 19 Jun 2009, Oliver Neukum wrote: > Am Freitag, 19. Juni 2009 11:27:25 schrieb Anders Sandell: > > I am able to watch FTA channels with mythtv for up to an hour but then usb > > seems to reset and i loose usb 2.0 functionality: > > [ 204.032228] ehci_hcd 0000:00:13.2: fatal error > > The controller crashed. > > > [ 204.033137] ehci_hcd 0000:00:13.2: HC died; cleaning up > > [ 204.033216] usb 1-8: USB disconnect, address 5 > > Disconnect is triggered. > > > [ 204.056465] cx24116_firmware_ondemand: Waiting for firmware upload > > (dvb-fe-cx24116.fw)... > > [ 204.056474] i2c-adapter i2c-1: firmware: requesting dvb-fe-cx24116.fw > > [ 204.086402] cx24116_firmware_ondemand: Waiting for firmware upload(2)... > > [ 205.029088] cx24116_cmd_execute() Firmware not responding > > [ 205.029103] cx24116_firmware_ondemand: Writing firmware to device failed > > [ 205.029191] cx24116_firmware_ondemand: Firmware upload failed > > [ 205.029203] cx24116_cmd_execute(): Unable initialise the firmware > > [ 205.426985] ohci_hcd 0000:00:13.1: OHCI Unrecoverable Error, disabled > > OHCI is killed. > > > [ 205.427016] ohci_hcd 0000:00:13.1: HC died; cleaning up > > > > Any clues as of how to solve this? I am using the latest firmware avalible, > > version and lsusb output before and after crash below > > Your device kills both EHCI and OHCI. That means this is unlikely to be a bug > in the hci drivers. Indeed. The device managed to kill the OHCI controller even before the controller driver got a connect signal! This suggests a problem at the hardware (or possibly firmware) level rather than at the software level. For example, it may be that the DVB-S2 device works perfectly but the USB host controller chip in the computer is buggy or overheats. Has the DVB-S2 been tested on any other computers? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
