Bug#489139: Removing AVM ISDN PCMCIA card from the slot freezes the system

[Moritz Muehlenhoff <jmm@inutil.org>]

tags 489139 wontfix
thanks

On Thu, Jul 03, 2008 at 01:53:03PM +0200, Jan-Marek Glogowski wrote:
> Package: linux-image-2.6.25-2-686
> Version: 2.6.25-6
> Severity: normal
> 
> It was also tested with vanilla 2.6.25.9 and 2.6.26-rc8-git.
> 
> When removing the ISDN PCMCIA card from the slot, the kernels do:
> 1. crash with kernel panic or
> 2. flood the console with error messages, which effectly freezes the
> machine or
> 3. just produce a little bit of error messages, but ISDN ceases to work
> after replug or
> 4. sometimes work again, when plugging the card into the PCMCIA slot
> again.
> 
> Most additional information is in the kernel bugzilla at:
> http://bugzilla.kernel.org/show_bug.cgi?id=11031

Upstream wrote:
| This is known, you should not remove a ISDN PCMCIA card if there is any program
| using it, first shutdown all applications, then remove the card. The I4L stack
| was not designed to be hotplug safe, so it would be hard to fix it for all
| situations.

Since this a design limitation, which is unlikely to ever be fixed in the
Linux kernel, I'm tagging this wontfix.

Cheers,
        Moritz