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Old 07-03-2008, 11:53 AM
Jan-Marek Glogowski
 
Default Bug#489139: Removing AVM ISDN PCMCIA card from the slot freezes the system

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



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Old 12-27-2008, 12:56 PM
Moritz Muehlenhoff
 
Default Bug#489139: Removing AVM ISDN PCMCIA card from the slot freezes the system

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



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