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Bug 1253943 - Dell-branded Sierra Wireless modems require Set FCC Auth command (upstream libqmi patch)
Summary: Dell-branded Sierra Wireless modems require Set FCC Auth command (upstream li...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: libqmi
Version: 7.1
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: rc
: ---
Assignee: Dan Williams
QA Contact: Desktop QE
URL:
Whiteboard:
Depends On:
Blocks: 1203710 1223646 1253946 1301628 1313485
TreeView+ depends on / blocked
 
Reported: 2015-08-15 21:53 UTC by David Ward
Modified: 2019-12-16 04:52 UTC (History)
7 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2016-11-04 08:30:26 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
Backported commit 22628a6 from upstream libqmi (1.04 KB, patch)
2015-08-15 21:55 UTC, David Ward 		no flags Details | Diff
Backported commit 22628a6 from upstream libqmi (includes qmicli change) (5.33 KB, patch)
2015-09-09 14:02 UTC, David Ward 		no flags Details | Diff
Show Obsolete (1) View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHEA-2016:2556 0 normal SHIPPED_LIVE ModemManager bug fix and enhancement update 2016-11-03 14:21:30 UTC

Description David Ward 2015-08-15 21:53:38 UTC 
Dell-branded Sierra Wireless modems will not come online without first sending a DMS Set FCC Authentication command. For more information: https://sigquit.wordpress.com/2015/02/09/dell-branded-sierra-wireless-3g4g-modem-not-online/

The command was added to upstream libqmi to fix this issue: http://cgit.freedesktop.org/libqmi/commit/?id=22628a69dad6a1c4b0400dacf1c13c48425faf69

I easily backported this commit onto RHEL 7 (libqmi-1.6.0-4.el7), and tested that (in conjunction with the fix for ModemManager) a Dell Wireless 5808e modem now successfully connects to the network. Please add the attached patch to the RHEL 7 libqmi package.
Comment 1 David Ward 2015-08-15 21:55:20 UTC 
Created attachment 1063337 [details]
Backported commit 22628a6 from upstream libqmi
Comment 4 Dan Williams 2015-08-18 21:20:38 UTC 
Thanks for the backport David!
Comment 5 David Ward 2015-08-18 23:11:49 UTC 
Thank you Dan for the quick response!

Just FYI, I created a separate bug to track adding USB IDs to the qmi_wwan and qcserial drivers in the kernel, so these adapters can be used in the QMI configuration: https://bugzilla.redhat.com/show_bug.cgi?id=1253955
Comment 6 David Ward 2015-09-09 14:02:55 UTC 
Created attachment 1071773 [details]
Backported commit 22628a6 from upstream libqmi (includes qmicli change)

Dan, my apologies -- can you please apply this corrected patch instead?

Jacob Yundt pointed out that the qmicli command was missing the '--dms-set-fcc-authentication' action with the earlier patch applied. When I first opened this bug, I had tried to apply the original commit from the libqmi repository as a patch during the RPM build, but that failed because the src/qmicli/ directory did not exist. I mistakenly assumed that qmicli had not been implemented in this version, and I just removed that change from the patch file.

Actually, it did exist, but in a different directory (cli/). This time I used git to cherry-pick the commit cleanly onto the 1.6.0 tag in the repository (it recognized the directory rename) before applying it as a patch to the RHEL 7 package. Now the '--dms-set-fcc-authentication' action is present when I run qmicli.

Sorry for the inconvenience.
Comment 9 David Ward 2015-12-03 14:22:44 UTC 
Was the updated patch applied (replacing the original patch attached to this bug)?
Comment 11 Dan Williams 2016-03-02 20:56:58 UTC 
(In reply to David Ward from comment #9)
> Was the updated patch applied (replacing the original patch attached to this
> bug)?

It hasn't been applied yet.  We hope to apply the patch for the next regular Red Hat Enterprise Linux point release, and we are getting some testing infrastructure into place to better manage regression risk from this and other modem-related patches we hope to apply to the WWAN stack.  So no fear, this hasn't been forgotten.  Thanks!
Comment 12 Mike McCune 2016-03-28 22:26:18 UTC 
This bug was accidentally moved from POST to MODIFIED via an error in automation, please see mmccune with any questions
Comment 14 Vladimir Benes 2016-09-28 11:52:28 UTC 
Sierra 7355 modem works as expected not sure if these rebranded Dell devices are different but definitely Sierra works as expected.
Comment 16 errata-xmlrpc 2016-11-04 08:30:26 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHEA-2016-2556.html
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