netdev - Fw: [Bug 55951] New: usbatm BUG when killing pppd or br2684ctl

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Message-ID: <20130330170601.621bda4f@nehalam.linuxnetplumber.net>
Date:	Sat, 30 Mar 2013 17:06:01 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Chas Williams <chas@....nrl.navy.mil>
Cc:	linux-atm-general@...ts.sourceforge.net, netdev@...r.kernel.org
Subject: Fw: [Bug 55951] New: usbatm BUG when killing pppd or br2684ctl



Begin forwarded message:

Date: Fri, 29 Mar 2013 17:45:31 -0700
From: "bugzilla-daemon@...zilla.kernel.org" <bugzilla-daemon@...zilla.kernel.org>
To: "stephen@...workplumber.org" <stephen@...workplumber.org>
Subject: [Bug 55951] New: usbatm BUG when killing pppd or br2684ctl


https://bugzilla.kernel.org/show_bug.cgi?id=55951

           Summary: usbatm BUG when killing pppd or br2684ctl
           Product: Networking
           Version: 2.5
    Kernel Version: 3.8.2
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Other
        AssignedTo: shemminger@...ux-foundation.org
        ReportedBy: jd.girard@...nux.pf
        Regression: Yes


Created an attachment (id=96631)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=96631)
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@...00 ~]$ uptime 
 14:34:36 up 9 days,  8:48,  1 user,  load average: 0.20, 0.13, 0.14

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