Re: rmmod deadlocks with 2.6.5-rc[2,3]

From: Frédéric L. W. Meunier
Date: Tue Mar 30 2004 - 14:16:34 EST

On Tue, 30 Mar 2004, Daniel Drake wrote:

> Frédéric L. W. Meunier wrote:
> > If I boot with 2.6.5-rc[2,3] and use rmmod snd_via82xx or rmmod
> > ohci_hcd (it doesn't happen with all modules), rmmod deadlocks.
> > 2.6.4 works fine.
> The ohci_hcd problem should be temporarily fixed by a recent
> patch to this list, from Greg KH (subject: [PATCH] USB:
> Eliminate wait following interface unregistration). This
> worked for me.

I forgot to report that I don't need OHCI. It's hotplug which
loads it for some reason under 2.6, but not under 2.4.

> As for the snd_ modules, this is a different problem, which I
> am still experiencing. I have had it with both snd_emu10k1
> and snd_intel8x0 - but it does not happen every time. I have
> experienced it on 2.6.5-rc2 and -rc3 (plus their -mm
> patches). rmmod hangs and doesnt respond to kill -9.

I used ALSA from CVS.

> Is there any output I can capture to diagnose this?

Here nothing gets printed. Maybe strace can help. But I'll

It also happened removing i2c_isa when I went through removing
all modules. Nothing wrong with joydev, adi, gameport, it87...

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