Re: was: af9015, af9013 DVB-T problems. now: Intermittent USB disconnects with many (2.0) high speed devices

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, 13 Jun 2010, thomas schorpp wrote:

> ehci-hcd is broken and halts silently or disconnects after hours or a few days, with the wlan usb adapter

How do you know the bug is in ehci-hcd and not in the hardware?

> I was able to catch a dmesg err message like "ehci...force halt... handshake failed" once only.

Can you please post the error message?

> The disconnects with dvb-usb need reboot cause driver cannot be removed with modprobe.

That sounds like it might be a bug in dvb-usb driver.  It always should 
be possible to remove the driver.

> This long standing bug is really nasty and makes permanent high speed usb connections unusable on Linux,
> at least with this VIA hardware.
> 
> No debug parms in modules, we need to ask linux-usb how to debug this.

You can start by building a kernel with CONFIG_USB_DEBUG enabled.

Alan Stern

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux