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Bug #4777

closed

tcpdump causes kernel panic when deleting underlying interface

Added by Adam Thompson almost 9 years ago. Updated almost 9 years ago.

Status:
Closed
Priority:
Very Low
Assignee:
-
Category:
Operating System
Target version:
-
Start date:
06/19/2015
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Affected Version:
2.2.2
Affected Architecture:

Description

Cloned ath0 interface.
Ran tcpdump on console against ath0_wlan1.
Deleted ath0_wlan1 from GUI (Interfaces->Wireless tab).
Everything was fine for a short while, then kernel messages started flying past too quickly to read, and when I pressed the ACPI power button, the system instantly rebooted.

Yes, I know, stupid thing to do in the first place (I forgot about the running tcpdump!), but... I would have hoped tcpdump would have exited with an error, been killed, etc., not have the kernel suddenly wedge/die.

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