[hsflinux] System freezes when browsing soon after dialout
Luke Sharkey
lukesharkey at hotmail.co.uk
Wed Aug 8 15:21:37 EDT 2007
Hi
I upgraded to the full licensed driver but unfortunately it didn't fix the
problem, so I guess it isn't a modulation issue.
However, one last thing I was wondering, although it's not possible to run
the driver in debug mode, how about the kernel? I did notice that there is
a "linux-image-debug" package for ubuntu. Would
running the kernel in debug mode provide any useful information? I just
have a gut feeling its something to do with how my amd64 system is set up
rather than anything else...
Thanks again,
Luke
>From: "Linuxant support (Jonathan)" <support at linuxant.com>
>To: Luke Sharkey <lukesharkey at hotmail.co.uk>
>CC: hsflinux at lists.linuxant.com
>Subject: Re: [hsflinux] System freezes when browsing soon after dialout
>Date: Mon, 06 Aug 2007 16:57:35 -0400
>
>Hi,
>
>first of all, a "modulation" is a standard on how to send data, and there
>is more than one of these modulations for modems. Probably the most common
>one today is V.92. There is more information about that at:
>
>http://en.wikipedia.org/wiki/Modulation
>
>When there is no valid license installed, the HSF driver will simply never
>select a modulation that would result in a connection faster than 14.4kbps.
>A bug could be present in the modulation currently used by the driver and
>if you install a license, another modulation is likely to be used to get an
>higher connection speed and could also be used as a workaround for the bug,
>if this is an actual modulation related issue.
>
>The source of stability issues with the driver are often modulation
>specific. The modulation code is provided by Conexant and we periodically
>add the changes made by Conexant to the HSF driver to hopefully solve these
>remaining problems.
>
>It's not possible to enable to dump more debugging information in the
>driver without having the source code unfortunately. Since we have
>recommended you to buy a license to solve a problem with the driver, if the
>license doesn't solve it, we will refund your purchase.
>
>Regards,
>
>
>Jonathan
>Technical specialist / Linuxant
>www.linuxant.com
>support at linuxant.com
>
>
>
>Luke Sharkey wrote:
>>Hi
>>
>>Thanks for your reply. However, I was just wondering what you meant when
>>you said:
>>
>>"It is possible that it is a modulation specific stability issue in the
>>HSF driver and simply installing a valid license might cure the problem as
>>another modulation is likely to be used."
>>
>>...could you please explain what you mean by a "modulation specific
>>stability issue"? How exactly installing a valid licence help this?
>>
>>I have been considering upgrading to the full 56k driver, but I need to
>>know that it will work first before I do and that I won't continue to get
>>these crashes. I know the driver is binary, but would it be possible to
>>run any sort of debug mode to get more information on the problem, etc?
>>And if it is a bug in the driver, is it likely to be fixed in any future
>>updates (have you come across any reports of problems like this before?)
>>
>>Thank you,
>>Luke Sharkey
>>
>>
>>
>>>From: "Linuxant support (Jonathan)" <support at linuxant.com>
>>>To: "Neil B. Ablang" <neil.ablang at eglobalreach.net>
>>>CC: Luke Sharkey <lukesharkey at hotmail.co.uk>,hsflinux at lists.linuxant.com
>>>Subject: Re: [hsflinux] System freezes when browsing soon after dialout
>>>Date: Wed, 01 Aug 2007 17:37:41 -0400
>>>
>>>Hi,
>>>
>>>with the description of the problem, I doubt that it is an application
>>>problem, it's likely a problem with either the kernel or a driver.
>>>
>>>It is possible that it is a modulation specific stability issue in the
>>>HSF driver and simply installing a valid license might cure the problem
>>>as another modulation is likely to be used.
>>>
>>>Regards,
>>>
>>>
>>>Jonathan
>>>Technical specialist / Linuxant
>>>www.linuxant.com
>>>support at linuxant.com
>>>
>>>
>>>
>>>Neil B. Ablang wrote:
>>>>Hi!
>>>>
>>>>Looks like an application problem not the modem. After modem
>>>>connection, trying doing a ping to whatevever site you like, say ping
>>>>www.google.com from your terminal. If it respond without any error say
>>>>for a minute or 2 then, most probably your browser have some problems
>>>>
>>>>Cheers,
>>>>
>>>>Neil
>>>>Luke Sharkey wrote:
>>>>>Hi
>>>>>
>>>>>I've been trying out the free 14.4kbs hsf driver for my connexant based
>>>>>modem on (K)ubuntu 7.04 amd64. It dials out without problems and I can
>>>>>access the internet fine. However, soon after I start browsing, my
>>>>>computer totally freezes (not just Xwindows - even pressing Ctrl-Alt-F1
>>>>>/etc. does nothing). I've noticed that it is worse with firefox,
>>>>>which seems to crash even after a few seconds browsing, but on
>>>>>konqueror sometimes it can be a few minutes. Nonetheless, it always
>>>>>crashes when I try to log into hotmail.
>>>>>
>>>>>The output in /var/log/messages for the crash is always mysterious and
>>>>>very ugly, e.g.:
>>>>>
>>>>>�a`UV�@{5�"�����"K. JL��: ��.wW��
>>>>>�\�I=�1<'w�5�x� �SH�4Z4��� �t���̔���'���#�6k��,��-�e��[����A�� ��{���aYn*�:��!BΞ�����t�XoOi �1��/gw% yG$?c�ә� � �B"
>>>>>
>>>>>
>>>>>�7
>>>>>9�7~K�Ӓ�W��$PB�N
>>>>>w���C-�p(y�l�;xP|�.�AV�� �
>>>>>
>>>>>
>>>>>
>>>>>I've attached hsfconfig --dumpdiag . What could be the problem?
>>>>>
>>>>>Thanks,
>>>>>LS
>>>>>
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