Re: [linux-usb-devel] 2.6.0-test4 - PL2303 OOPS - see also 2.4.22: OOPS on disconnect PL2303 adapter

From: Greg KH
Date: Tue Sep 02 2003 - 12:11:36 EST


On Tue, Sep 02, 2003 at 01:39:08AM +0800, Michael Frank wrote:
> PL2303 is used to connect the serial console on a classic serial port
> of a test machine. HW nandshaking is used
> The test machine reboots once a minute and dumps lots of messages
>
> Frequently:
> - driver hangs
> - userspace (cu) can't be stopped
> - pl2303 and/or usbserial can't be unloaded
> - USB interrupts stop
> - problems result in requiring a reboot.

Hm, it looks like you physically removed the device, is that correct?
Or were you just unloading the pl2303 and other USB drivers and then
reloading them?

What exactly were you doing in this log?

Oh, and can you send a copy of /proc/bus/usb/devices with your pl2303
device plugged in?

thanks,

greg k-h
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