https://bugzilla.novell.com/show_bug.cgi?id=154073#c16
Stefan Seyfried changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |REOPENED
Component|Kernel |Kernel
Product|SUSE Linux 10.1 |openSUSE 10.3
Resolution|WORKSFORME |
Version|Beta 5 |RC 2
--- Comment #16 from Stefan Seyfried 2007-09-27 03:41:19 MST ---
Still happened today.
What i did:
- At home, i was in the local LAN via interface "cable" (e1000) or "air"
(ipw2200)
- While in the LAN, i dialled into the 3G network via a option data card
(pppd), default route pointed to the dialup
- started VPN (rasconnect.pl)
- moved from home to office, ppp connection still alive, WLAN probably
disconnected
- plugged machine into the office LAN
- called "scpm switch", to switch the networking setup for the office
- scpm switch restarts networking
- this includes stopping smpppd, which did not stop the active pppd.
(no smpppd enabled in the office profile)
- i noticed pppd was still active, so i simply pulled the card out while the
scpm switch was running (i thought that the default route pointing to dialup
would be a problem, so i wanted to get rid of it).
Now i got the infamous "kernel: unregister_netdevice: waiting for modemX to
become free. Usage count = 1" message and all i could do was reboot. Everything
that was trying to access /proc/net/ was apparently hanging, also "ifconfig"
and "ip".
I did a sysrq-T trace which i will attach.
This is with 10.3RC2
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