Bug 2457

Summary:	kernel panic on rmmod acpi modules due to /proc references
Product:	ACPI	Reporter:	Anil S Keshavamurthy (anil.s.keshavamurthy)
Component:	Power-Processor	Assignee:	Shaohua (shaohua.li)
Status:	CLOSED CODE_FIX
Severity:	normal	CC:	acpi-bugzilla, anil.s.keshavamurthy, benjy
Priority:	P2
Hardware:	i386
OS:	Linux
Kernel Version:	Linux 2.6.5-rc2	Subsystem:
Regression:	---	Bisected commit-id:
Attachments:	The patch removes teh proc entries before removing proc directory port Anil's patch to other ACPI modules patch for 2.4 kernel

Description Anil S Keshavamurthy 2004-04-06 10:21:07 UTC

Distribution: 
Hardware Environment:Tiger4(IA64 platform)
Software Environment:linux kernel 2.6.5-rc2
Problem Description:can't rmmod processor.ko

Steps to reproduce: Compile the acpi processor driver as a module by having 
CONFIG_ACPI_PROCESSOR=m. And do insmod processor.ko and then rmmod 
processor.ko. The rmmod processor.ko panics the kernel thread which is 
performing rmmod.

Comment 1 Anil S Keshavamurthy 2004-04-06 10:28:47 UTC

Created attachment 2525 [details]
The patch removes teh proc entries before removing proc directory

The attached patch fixes the issues. The problem was that proc direcory was
getting removed without deleting proc entries.

Comment 2 Shaohua 2004-04-15 00:02:22 UTC

Created attachment 2595 [details]
port Anil's patch to other ACPI modules

port Anil's patch to other ACPI modules

Comment 3 Shaohua 2004-04-16 00:10:56 UTC

*** Bug 2519 has been marked as a duplicate of this bug. ***

Comment 4 Shaohua 2004-04-28 00:24:27 UTC

Created attachment 2739 [details]
patch for 2.4 kernel

Comment 5 Len Brown 2004-05-11 23:33:34 UTC

shipped in 2.6.6, and on top of 2.4.27-pre2 -- closing.