Bug 7534

Summary:	suspend to disk fails if gdb is suspended with a traced child
Product:	Power Management	Reporter:	maurice barnum (pixi+kbug)
Component:	Other	Assignee:	Rafael J. Wysocki (rjwysocki)
Status:	CLOSED CODE_FIX
Severity:	normal	CC:	bunk, pavel
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	2.6.19-rc6	Subsystem:
Regression:	---	Bisected commit-id:
Attachments:	dmesg output after failed suspend kernel config A fix

Description maurice barnum 2006-11-15 23:32:55 UTC

Most recent kernel where this bug did *NOT* occur: unknown. occurs in 2.6.17,
2.6.18, and 2.6.19-sw2
Distribution: fedora core 5
Hardware Environment: thinkpad x32
Problem Description:

suspend-to-disk is unable to freeze processes if a gdb with a traced child is
suspended (SIGTSTP).

Steps to reproduce:

1)gdb /bin/cat
2) ^Z
3) ^Z
4) pm-hibernate

config and dmesg output attached.

Comment 1 maurice barnum 2006-11-15 23:35:18 UTC

Created attachment 9525 [details]
dmesg output after failed suspend

Comment 2 maurice barnum 2006-11-15 23:36:21 UTC

Created attachment 9526 [details]
kernel config

Comment 3 Rafael J. Wysocki 2006-11-16 06:57:51 UTC

Created attachment 9530 [details]
A fix

This patch should help.

Comment 4 Adrian Bunk 2007-02-06 20:27:29 UTC

Maurice, does this patch fix your problem?

Comment 5 Rafael J. Wysocki 2007-02-07 04:30:37 UTC

Well, I think we should close this entry and let Maurice repoen it if need 
be. ;-)