Bug 7288

Summary:	2.6.18-rt5 crashes with netconsole enabled.
Product:	Alternate Trees	Reporter:	James Courtier-Dutton (James)
Component:	rt	Assignee:	Thomas Gleixner (tglx)
Status:	REJECTED INSUFFICIENT_DATA
Severity:	blocking	CC:	bunk, James, mingo
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	2.6.18-rt5	Subsystem:
Regression:	---	Bisected commit-id:
Attachments:	console output from boot to hang. kernel config when hang occurs.

Description James Courtier-Dutton 2006-10-08 14:34:10 UTC

Most recent kernel where this bug did not occur:
Distribution: 2.6.18 patched with rt5 realtime patches.
Hardware Environment: Pentium 4
Software Environment: Linux
Problem Description:
System hangs with masses of output on the console rolling past.
Problem not present in 2.6.17.11.

Steps to reproduce:
Boot to a terminal login.
modprobe netconsole netconsole=@192.168.0.10/,@192.168.0.255

Use sysreq-S to try a sync of the HD.
System hangs.
The system in fact hangs on the first kernel log entry needing to be sent to the
netconsole.

Comment 1 James Courtier-Dutton 2006-10-08 14:36:04 UTC

Created attachment 9187 [details]
console output from boot to hang.

This is a capture of the console output, showing the stack traces during the
hang.

Comment 2 James Courtier-Dutton 2006-10-08 15:51:17 UTC

Created attachment 9188 [details]
kernel config when hang occurs.

Comment 3 Thomas Gleixner 2006-11-06 11:02:35 UTC

James,

does the problem persist on 2.6.18-rt7 ?

Comment 4 Adrian Bunk 2007-02-04 14:40:07 UTC

Please reopen this bug if it's still present with recent kernels.