[hsflinux] System freezes when browsing soon after dialout
Luke Sharkey
lukesharkey at hotmail.co.uk
Mon Aug 20 15:22:12 EDT 2007
Hi
I tried your suggestions on the modulation, but it didn't make any
difference to the system crashes, unfortunately. Do you have any other
suggestions?
If not, I was thinking of installing Debian etch i386 on a spare partition,
to maybe see if its a hardware problem, or if it's more a problem with amd64
/ Ubuntu / just the way my ubuntu system is set up.
Thanks
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: Wed, 08 Aug 2007 14:31:28 -0400
>
>Hi,
>
>it could still be a modulation related issue.
>
>Since the license is now installed, you should be able to test each of the
>following init. strings, one at a time:
>
>---
>AT &F W1 +ER=1; +DR=1; +MS=V92,0
>AT &F W1 +ER=1; +DR=1; +MS=V92,1
>AT &F W1 +ER=1; +DR=1; +MS=V90,0
>AT &F W1 +ER=1; +DR=1; +MS=V90,1
>AT &F W1 +ER=1; +DR=1; +MS=V34,0
>AT &F W1 +ER=1; +DR=1; +MS=V34,1
>AT &F W1 +ER=1; +DR=1; +MS=V32B,0
>AT &F W1 +ER=1; +DR=1; +MS=V32B,1
>AT &F W1 +ER=1; +DR=1; +MS=V32,0
>AT &F W1 +ER=1; +DR=1; +MS=V32,1
>---
>
>Hopefully one of them will solve the problem.
>
>Regards,
>
>
>Jonathan
>Technical specialist / Linuxant
>www.linuxant.com
>support at linuxant.com
>
>
>
>Luke Sharkey wrote:
>>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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