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Bug#508589: marked as done (ppp: USB Modem removal after PPP exits kills keyboard)

Your message dated Thu, 5 Aug 2010 12:14:37 -0400
with message-id <20100805161437.GA15376@galadriel.inutil.org>
and subject line Re: Problem solved by updating the kernel
has caused the Debian Bug report #508589,
regarding ppp: USB Modem removal after PPP exits kills keyboard
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
508589: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508589
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: ppp
Version: 2.4.4rel-10
Severity: serious
Justification: Policy 1.1


pppd will cause keyboards to stop functioning if using a USB modem.

The problem happens *exactly* in this order:

1) Disconnect (kill pppd).
2) Wait for daemon to completely exit (watching syslog)
3) Once down, remove USB cable.
4) Keyboard no longer works.

Interestingly, even a USB keyboard will not work once this happens. I am running an IBM t23 thinkpad.
When this happens, the *ONLY* way to get back into the machine is restart. Also note, even if you plug
a USB keyboard in AFTER this has happened, you still cannot use it. I am not sure if this would be a Xorg
problem, there are no errors being written to Xorgs logs when this happens.

I DO get an interesting log entry - not sure if it is related or not:

-----LOG------
Dec 12 11:40:33 astro pppd[4587]: Connection terminated.					// <- Hangup as normal
Dec 12 11:40:33 astro pppd[4587]: ioctl(TIOCSETD, N_TTY): Interrupted system call (line 571)	// <- Related?
Dec 12 11:40:46 astro kernel: [ 7234.328080] usb 2-1: USB disconnect, address 4			// <- Modem removed
-----END------

And thats it. Those are the last 3 log entries that are written. The USB disconnect is the USB modem
being removed.

The "USB modems" are also 3G Cell phones (one LG Fusic and another is a palm centro) - if that has anything to do with it.

-- System Information:
Debian Release: lenny/sid
  APT prefers testing
  APT policy: (500, 'testing')
Architecture: i386 (i686)

Kernel: Linux 2.6.26-1-686 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages ppp depends on:
ii  libc6                         2.7-16     GNU C Library: Shared libraries
ii  libpam-modules                1.0.1-4    Pluggable Authentication Modules f
ii  libpam-runtime                1.0.1-4    Runtime support for the PAM librar
ii  libpam0g                      1.0.1-4    Pluggable Authentication Modules l
ii  libpcap0.8                    0.9.8-5    system interface for user-level pa
ii  netbase                       4.34       Basic TCP/IP networking system
ii  procps                        1:3.2.7-8  /proc file system utilities

ppp recommends no packages.

Versions of packages ppp suggests:
ii  iptables                      1.4.1.1-3  administration tools for packet fi

-- no debconf information

--- End Message ---
--- Begin Message --- 
Version: 2.6.32-1

Hi,

On Fri, Apr 16, 2010 at 08:05:50PM -0400, A. F. Cano wrote:
> Since I resurrected this bug with my previous report, I suppose I should
> forward this fix (from someone else on debian-user) which means that
> this bug can be closed.  It is (as I suspected) a kernel/driver issue
> solved by going to a backported kernel.

Thanks for forwarding. There are many open kernel bugs, so it takes
as quite some time to triage them all.
 
> ----- Forwarded message from Rodolfo Medina <rodolfo.medina@gmail.com> -----
> 
> To: debian-user@lists.debian.org
> From: Rodolfo Medina <rodolfo.medina@gmail.com>
> Subject:  [solved] Re: Kernel updating
> Date: Tue, 13 Apr 2010 14:06:06 +0200
> 
> Rodolfo Medina <rodolfo.medina@gmail.com> writes:
> 
> > When I close a PPP connection with `C-c', the keyboard gets stuck and I have
> > to reboot the system.  The problem is reported here:
> >
> >  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=508589
> >
> > In the hope of fixing it by updating the kernel, I want to install a freshly
> > new one from the backport repositories.  Can anyone suggest the exact package
> > name?  I have Lenny on an old Pentium III.
> 
> 
> Stephen Powell <zlinuxman@wowway.com> writes:
> 
> > I would suggest linux-image-2.6.32-bpo.3-686
> >
> > That appears to be the closest to what is in Squeeze right now.
> 
> 
> The problem seems to be solved updating the kernel.  It is easy to do:

Marking as closed for unstable.

Cheers,
        Moritz

--- End Message ---
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