Re: Random problems with 2.6.28-rc1-git1

[Mikko C.]

Jiri Kosina ha scritto:
> On Sat, 25 Oct 2008, Mikko C. wrote:
>   
> > Today I tried upgrading to 2.6.28-rc1-git1 (-rc1 couldn't even mount the 
> > disk). I'm having some problems with it :)
> > 1) Whenever I try to unload (rmmod or modprobe -r) *any* modules (even 
> >    if not used), the system hangs.  I can still move the mouse and see 
> >    the cursor moving, but I can't type, can't switch console, nothing.  
> >    Because of this, I can't shutdown the system properly because it 
> >    hangs when "Unloading ALSA modules"
> >     
>
> If rmmod never returns, alt-sysrq-t output should show us where it got 
> stuck.
>
>   
Thanks for your answer
I tried Alt-Sysrq-T after a rmmod, but all I get is:
"SysRq : Show State"

Is it normal? Does it dump the information to a log?
Sorry but I never used sysrq in the past.

> > 2) Sometimes (randomly it seems) the system doesn't detect any usb 
> >    devices:  I have an external HD and a Logitech mouse. Sometimes they 
> >    are recognized, sometimes not.  Unplugging and re-plugging them 
> >    doesn't help. lsusb shows no attached device.
> >     
>
> Compiling with CONFIG_USB_DEBUG and sending report to 
> linux-usb@xxxxxxxxxxxxxxx with the output included might be a good start.
>   
Ok, done: http://marc.info/?l=linux-usb&m=122500580917403&w=2

Thanks
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