Ubuntu
linux-source-2.6.20 package

[iptables] Oopses very late at shutdown sequece

Bug #76287 reported by Matti Lindell
2
Affects Status Importance Assigned to Milestone
linux-source-2.6.20 (Ubuntu)
Fix Released
Medium
Unassigned

Bug Description

Binary package hint: linux-source-2.6.20

2.6.20-2-generic #3 SMP Sat Dec 16 12:28:13 UTC 2006 i686 GNU/Linux

System freezes very late at shutdown sequence, all three lights (numlock, capslock scroll-lock) start blinking. Has something to do with iptables and module removal on shutdown.

If ipt_MASQUERADE module is manually removed before shutdown, condition doesn't trigger.

See original description
Tags: iptables
Revision history for this message
Matti Lindell (mlind) wrote :
  • - Edit (45.8 KiB, text/plain)
Revision history for this message
Matti Lindell (mlind) wrote :

Not sure if that's the actual output of reported problem, I had nvidia module freeze the system with a beep earlier when trying to start separate xserver.

Revision history for this message
Matti Lindell (mlind) wrote :

well that kern.log seems to display another crash, this happens so late that I'm unable to get SysRq magic work. I'll attach a picture taken with my cell, hopefully it will provide some information.

(sorry for the big filesize).

Revision history for this message
Matti Lindell (mlind) wrote :

This hasn't happened with Ubuntu kernels 2.6.15 - 2.6.19. Now with 2.6.20 it happens every time at shutdown.

Bug has something to do with IPTABLES modules. If I manually remove ipt_MASQUERADE module, oops doesn't happen.

Matti Lindell (mlind)
description: updated
Ben Collins (ben-collins)
Changed in linux-source-2.6.20:
importance: Undecided → Medium
status: Unconfirmed → Confirmed
Revision history for this message
Matti Lindell (mlind) wrote :

This issue seems to be fixed on 2.6.20-5-generic, Thanks.

Changed in linux-source-2.6.20:
status: Confirmed → Fix Released
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