Bug 55951 - [PATCH]usbatm BUG when killing pppd or br2684ctl
Summary: [PATCH]usbatm BUG when killing pppd or br2684ctl
Status: NEW
Alias: None
Product: Networking
Classification: Unclassified
Component: Other (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Stephen Hemminger
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2013-03-30 00:45 UTC by Jean-Denis Girard
Modified: 2013-11-13 21:21 UTC (History)
1 user (show)

See Also:
Kernel Version: 3.8.2
Subsystem:
Regression: Yes
Bisected commit-id:

Attachments
Kernel BUG (4.96 KB, text/plain)
2013-03-30 00:45 UTC, Jean-Denis Girard 		Details
usbatm patch for D-Link DSL-200 (2.07 KB, patch)
2013-03-30 00:50 UTC, Jean-Denis Girard 		Details | Diff
Add an attachment (proposed patch, testcase, etc.)

Description Jean-Denis Girard 2013-03-30 00:45:22 UTC 
Created attachment 96631 [details]
Kernel BUG

The system is an alix2d2 acting as my Internet router through an USB ADSL modem (DLink DSL200); xusbatm is driving the modem, but it needs a patched version of usbatm (patch was written by Roman Kagan). I've been using this setup since November 2011 (kernel 2.6.36 or 2.6.37), regularly updating the kernel without trouble, so I think this is a regression.

The problem only occurs when killing pppd or br2684ctl (done in a script when connection is lost), otherwise the system works fine:
[xxxxx@ix100 ~]$ uptime 
 14:34:36 up 9 days,  8:48,  1 user,  load average: 0.20, 0.13, 0.14
Comment 1 Jean-Denis Girard 2013-03-30 00:50:38 UTC 
Created attachment 96641 [details]
usbatm patch for D-Link DSL-200

This is the patch written by Roman so that DSL-200 can be used with xusbatm.
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