Re: your mail

Ralf Nyren
2009-03-13T17:02:53Z

Hi Rory,

Sounds great, send the driver and I'll give it a try at once. I'll report back
to you with the results.

Many thanks, Ralf

On Fri, 13 Mar 2009, Rory Filer wrote:

> Hi Ralf
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> Kevin passed your email on to my attention and I think we can help you with this problem. We've been doing a lot of work on our drivers lately and I've got a freshly-ready version of sierra.c just for 2.6.28. We've done a lot of testing here and it seems pretty robust; perhaps you'd be willing to give it a try?
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> Since I'm not sure about the etiquette for posting to this list, so I will attach the driver in a separate email to you.
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> Regards
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> Rory Filer
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> -----Original Message-----
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> From: Ralf Nyren [mailto:ralf@nyren.net]
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> Sent: Friday, March 13, 2009 8:01 AM
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> To: linux-kernel@vger.kernel.org
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> Cc: Kevin Lloyd
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> Subject: Sierra Wireless (MC8780) HSDPA speed issue
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> Hi,
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> I have a Sierra Wireless MC8780 UMTS card in a Fujitsu S6410 laptop running kernel 2.6.28.7. In kernel sierra driver v1.3.2.
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> The card works but speed seems limited to approx 1.0 Mbit/s download using the linux driver. Testing the card in Windows XP yields download speeds close to 5.0 Mbit/s.
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> I recently updated the firmware of the card to support HSDPA/HSUPA. The update gave the desired result in Windows but not in Linux. The speed improved in Linux but didn't increase above 1 Mbit/s.
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> Is there any known driver limitations or is this a configuration issue?
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> Please let me know if you need any additional information.
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> Best regards, Ralf
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