Bug 7351

Summary: Kernel panics in acpi_processor_idle
Product: ACPI Reporter: Frank Sorenson (frank)
Component: Power-OtherAssignee: acpi_power-other
Status: CLOSED CODE_FIX    
Severity: high    
Priority: P2    
Hardware: i386   
OS: Linux   
Kernel Version: 2.6.19-rc1 Subsystem:
Regression: --- Bisected commit-id:
Attachments: panic text

Description Frank Sorenson 2006-10-11 21:08:51 UTC 
Most recent kernel where this bug did not occur:
 2.6.18
Distribution:
 FC5
Hardware Environment:
 Dell Inspiron E1705 Core 2 Duo
Software Environment:
 nothing special
Problem Description:
 Kernel panics within a few minutes of boot
Steps to reproduce:
 seems to happen on its own soon after booting, but occurs every time
Comment 1 Frank Sorenson 2006-10-11 21:09:53 UTC 
Created attachment 9227 [details]
panic text
Comment 2 Frank Sorenson 2006-10-12 17:45:17 UTC 
Fixed in this code:

commit 994bd4f9f5a065ead4a92435fdd928ac7fd33809
tree 11e5b123bd5c5319a65ad4732ad3965b815dedbb
parent c25d5180441e344a3368d100c57f0a481c6944f7
author Eric W. Biederman <ebiederm@xmission.com> 1160628286 -0600
committer Linus Torvalds <torvalds@g5.osdl.org> 1160663850 -0700

[PATCH] x86_64 irq: Properly update vector_irq

This patch fixes my one line thinko where I was clearing
the vector_irq entries on the wrong cpus.

Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

 arch/x86_64/kernel/io_apic.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index c3cdcab..44b55f8 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -660,7 +660,7 @@ next:
 		}
 		if (old_vector >= 0) {
 			int old_cpu;
-			for_each_cpu_mask(old_cpu, domain)
+			for_each_cpu_mask(old_cpu, irq_domain[irq])
 				per_cpu(vector_irq, old_cpu)[old_vector] = -1;
 		}
 		for_each_cpu_mask(new_cpu, domain)