[hsflinux] HSF modem driver corrupts system

Linuxant support (Jonathan) support at linuxant.com
Tue Mar 10 11:39:39 EDT 2009


thank you for this information. "CONFIG_PREEMPT=y" is well supported but 
it is possible that the lack of "CONFIG_PREEMPT_VOLUNTARY=y" could be 
fatal to the driver. If this something that could be improved in the future.


Technical specialist / Linuxant
support at linuxant.com

Tom wrote:
> --- On Mon, 3/9/09, Linuxant support (Jonathan) <support at linuxant.com> wrote:
>> in order to be able to fix this problem, we will need to
>> reproduce it on our development systems. What kernel
>> configuration file did you use for the 2.6.27 kernel?
> I used the one I have developed for the specific system
> hardware, BUT I also had CONFIG_PREEMPT=y (which I had
> enabled from reading the kernel configuration help files).
> A friend of mine (who knows quite a bit more about this
> than I do) told me that was a bad idea, and that I should
> change to CONFIG_PREEMPT_VOLUNTARY=y. That did indeed fix
> the problem.
> If you want the .config file for further testing, I would
> be happy to send it to you.
>> Otherwise, installing a license might fix the problem. I
>> can't determine if you have a license installed or not
>> given the modifications you have done to the dump you have
>> sent to support at linuxant.com.
> I just have the FREE (limited to 14.4K) version. I try to
> avoid using modems these days (even 56K for any period of
> time seems painfully slow), but sometimes, I just have no
> other choice.
> Thank you for your help.
> Tom
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