[Bug 554099] Re: Qualcomm Gobi 2000 3G (gobi_loader/qcserial) broken

[DocHofa]

I'm sorry, but sometimes it is better to not work on things while doing some
other things alongside ... I did the wrong click!

LG

Boris

On 19 August 2010 07:56, Mark Shuttleworth
<554099 at bugs.launchpad.net>wrote:

>  @DocHofa
>
> Thanks for marking it fix-committed. In order to verify it as
> fix-released, could you post the from-scratch steps needed to get this
> device working under Lucid, please?
>
> Thanks,
> Mark
>
> --
> Qualcomm Gobi 2000 3G (gobi_loader/qcserial) broken
> https://bugs.launchpad.net/bugs/554099
> You received this bug notification because you are a direct subscriber
> of the bug.
>
> Status in The Linux Kernel: Unknown
> Status in “linux” package in Ubuntu: Fix Released
> Status in “linux-backports-modules-2.6.32” package in Ubuntu: Invalid
> Status in “linux” source package in Lucid: Won't Fix
> Status in “linux-backports-modules-2.6.32” source package in Lucid: Fix
> Committed
> Status in “linux” source package in Maverick: Fix Released
> Status in “linux-backports-modules-2.6.32” source package in Maverick:
> Invalid
>
> Bug description:
> SRU justification (for LBM in Lucid):
>
> Impact: Certain models of 3G hardware (Gobi) which apparently are quite
> common, require several changes to work. First, the kernel module needs
> to be updated, which requires larger modifications. Second, a new firm-
> ware loader is required together with a matching udev rule.
>
> Fix: In order to prevent regressions, the driver backport was done in
> LBM and also adds a new binary subpackage (lbm-wwan). This package also
> contains the loader and the udev rule.
> NOTE! The drivers also requires firmware files which need to be manually
> gathered as they are not redistributable.
>
> Testcase: Without this backport no 3G connections are possible. Sevral
> users in the bug report had successfully used the driver from the test
> package after collecting the required firmware files.
>
> ---
>
> Binary package hint: linux-image-generic
>
> $ uname -a
> Linux phoenix 2.6.32-19-generic #28-Ubuntu SMP Wed Mar 31 17:46:20 UTC 2010
> i686 GNU/Linux
>
> $ cat /proc/version_signature
> Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
>
> $ lsusb
> 03f0:201d Hewlett-Packard <-- HP un2400 Mobile Broadband Module (QDL
> interface)
>
> HP un2400 mobile broadband modem stopped working after i upgraded to lucid.
> I can not load firmware anymore to my modem's Qualcomm Gobi USB chip using
> gobi_loader.
> http://www.codon.org.uk/~mjg59/gobi_loader/<http://www.codon.org.uk/%7Emjg59/gobi_loader/>
>
> There was no problems on previous Ubuntu version (Karmic, kernel 2.6.31*).
> As i understand all devices based on this chip will not work on lucid, if
> this will not be fixed.
>
> HP un2400 is recognized by kernel's qcserial module. qcserial.c was not
> changed from 2.6.31 to 2.6.32.
> After searching internet i found that this is related to changes in the
> kernel's usbserial module:
> "The qcserial driver is currently broken in 2.6.32 and later. It's due to
> the switch to using kfifo for usb serial, but we haven't been able to work
> out the actual cause. I'm looking at alternative approaches."
> Source: http://mjg59.livejournal.com/120577.html
>
> Contact me if You need additional information.
>
>
>
> To unsubscribe from this bug, go to:
> https://bugs.launchpad.net/linux/+bug/554099/+subscribe
>


-- 
Boris Kleibl

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Org.: ZIFOTRONIC productions, Austria.

Don't panic!

-- 
Qualcomm Gobi 2000 3G (gobi_loader/qcserial) broken
https://bugs.launchpad.net/bugs/554099
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