[hsflinux] [BUG] hsfmodem- hangup, deadlock?

Linuxant support (Jonathan) support at linuxant.com
Mon Jul 24 18:24:51 EDT 2006


the protection is unlikely the source of the problem and the driver 
should not crash even if a program asks to use a modulation which is not 
available with no license installed.

I have attached to this post an experimental patch for the devfs problem 
you have mentioned. This patch is needed to be able to use the driver on 
2.6.18-rc1 or later kernels. It can be installed with the 'hsfconfig 
--patch <file.patch>' command in a root shell.


Technical specialist / Linuxant
support at linuxant.com

Paul Drynoff wrote:
> On Tue, 11 Jul 2006 16:51:43 -0400
> "Linuxant support (Jonathan)" <support at linuxant.com> wrote:
>> Hi,
>> modulations are protocols used to transfer data between modems. More 
>> information on that is available at:
>> http://en.wikipedia.org/wiki/ITU_V-Series
>> When a valid license is installed, all the modulations known to the 
>> driver are unlocked and most likely that a modulation with higher speed 
>> will be selected than the one selected with 14.4kbps max. while having 
>> no license installed.
> So your protection so weak that one of program that I used: wvdial or pppd,
> can broke it, but your driver has "last boundary" which check if all wrong
> and just hang up computer?
> Will you provide more smart protection, so usage of FREE license become possible,
> or it is by design?
>> So if the stability issue is related to the specific modulation 
>> currently used, installing a valid license is likely to solve the problem.
> Any way, I include hsfconfig --dump (see attachment).
> Also I tried compile your drive with lockdep patch, but compilation failed,
> because of you use some functions from "devfs_fs_kernel.h", it was removed,
> also there is no field devfs_name in struct uart_driver. 
> Have you plans support 2.6 without devfs?
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