On Wed, Jan 05, 2022 at 04:41:13PM -0500, Steve Rinsler wrote: > Hi Dr. Stern, > > I have a 4965 wlan/BT min pcie card in an older laptop (c. 2006) that when > turned on produces a continual stream of usb device connection and > disconnection messages. This renders the wifi nonfunctional and eventually > freezes many functions of the laptop. This occurs both when using Windows > XP (the os that the machine came with) and a Linux distro based on Debian > Sid. What matters is not the distro but rather the kernel version. > I am trying to figure out whether this is a hardware or software issue. I > have tried many suggested software changes to block the Bluetooth > component, but that hasn’t stopped the usb device messages. > > I would like to test the hardware but have not found a guide on how to do > this. > > If you know of such, I would appreciate a reference. You can try something like the USB20CV test program available from https://www.usb.org/compliancetools (assuming your card is USB-2). Aside from that, though, I don't know of any hardware tests that don't require special test equipment. Given the circumstances you describe, it seems quite likely that you're dealing with a hardware problem. > Otherwise, I would appreciate your recommendation on a site to post the > details where I might get assistance. The linux-usb mailing list (CC'ed) is appropriate. > This is my oldest computer and I am primarily using it as a toy to expand > my knowledge of Linux. > > Thanks for any assistance and happy new year. You're welcome. Alan Stern
