Bug 191119 - netdump hangs if network cables are removed
Summary: netdump hangs if network cables are removed
Alias: None
Product: Red Hat Enterprise Linux 4
Classification: Red Hat
Component: netdump
Version: 4.0
Hardware: x86_64
OS: Linux
Target Milestone: ---
: ---
Assignee: Thomas Graf
QA Contact:
Depends On:
TreeView+ depends on / blocked
Reported: 2006-05-08 23:50 UTC by Rick Stern
Modified: 2014-06-18 08:29 UTC (History)
1 user (show)

Clone Of:
Last Closed: 2008-06-13 20:53:29 UTC

Attachments (Terms of Use)

Description Rick Stern 2006-05-08 23:50:25 UTC
Description of problem:

When netdump is set up, and then the network cables are removed, the system
hangs after a crashes

Version-Release number of selected component (if applicable):

How reproducible:

Steps to Reproduce:
1. Setup netdump
2.  Remove network cables
3.  Crash system (sysctl -w kernel.sysrq=1;echo c > /proc/sysrq-trigger)
Actual results:
The terminal window assocaited with this command seems to scroll for a while,
then hang.  If the network cables are re-inserted later, the system is still hung.

Expected results:
Either do the dump after the cables are re-inserted or just reboot.

Additional info:

Comment 1 Rick Stern 2006-05-10 23:45:21 UTC
Customer found out that is netconsole was not running that this bug didn't show.
 Seems to indicate a problem there.  Seach showed that fix for bugzilla 127815
(from RH3) did not make it into RH4.  Created bugzilla 191342 to track that.

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