mptspi_dv_renegotiate_work
Reply-To:
In-Reply-To: <[email protected]>
On Sat, Sep 30, 2006 at 02:55:44PM -0700, Bryce Harrington wrote:
> On Fri, Sep 29, 2006 at 10:22:50PM -0600, Moore, Eric wrote:
> > On Fri 9/29/2006 6:27 PM, Bryce Harrington wrote:
> > > http://crucible.osdl.org/runs/2265/sysinfo/amd01.3.console
>
> > Besides, we need to undertand why your interrupt controller is not
> > generating interrupts.
The following patch seems to have fixed the issue, as of
patch-2.6.18-git20.
http://crucible.osdl.org/runs/2390/sysinfo/amd01.console
Thanks,
Bryce
-------- Forwarded Message --------
From: Andrew Morton <[email protected]>
To: Jeff Garzik <[email protected]>
Cc: Moore, Eric <[email protected]>, Martin Bligh <[email protected]>,
LKML <[email protected]>, Andy Whitcroft <[email protected]>,
[email protected]
Subject: Re: Panic from mptspi_dv_renegotiate_work in 2.6.18-mm2
Date: Mon, 2 Oct 2006 17:41:47 -0700
On Mon, 02 Oct 2006 20:32:13 -0400
Jeff Garzik <[email protected]> wrote:
> FWIW, I am seeing precisely this problem, in the latest -git.
I just sent this to Linus. Fingers crossed, it'll fix...
From: Andrew Morton <[email protected]>
54dbc0c9ebefb38840c6b07fa6eabaeb96c921f5 is causing various people's machines
to fail to map PCI resources.
Revert it in preparation for addressing the show-APICs-in-/proc/iomem
requirement in a different manner.
Cc: Aaron Durbin <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
---
arch/x86_64/kernel/apic.c | 54 ------------------------------------
1 file changed, 54 deletions(-)
diff -puN arch/x86_64/kernel/apic.c~revert-insert-ioapics-and-local-apic-into-resource-map arch/x86_64/kernel/apic.c
--- a/arch/x86_64/kernel/apic.c~revert-insert-ioapics-and-local-apic-into-resource-map
+++ a/arch/x86_64/kernel/apic.c
@@ -25,7 +25,6 @@
#include <linux/kernel_stat.h>
#include <linux/sysdev.h>
#include <linux/module.h>
-#include <linux/ioport.h>
#include <asm/atomic.h>
#include <asm/smp.h>
@@ -46,11 +45,6 @@ int apic_calibrate_pmtmr __initdata;
int disable_apic_timer __initdata;
-static struct resource lapic_resource = {
- .name = "Local APIC",
- .flags = IORESOURCE_MEM | IORESOURCE_BUSY,
-};
-
/*
* cpu_mask that denotes the CPUs that needs timer interrupt coming in as
* IPIs in place of local APIC timers
@@ -591,40 +585,6 @@ static int __init detect_init_APIC (void
return 0;
}
-#ifdef CONFIG_X86_IO_APIC
-static struct resource * __init ioapic_setup_resources(void)
-{
-#define IOAPIC_RESOURCE_NAME_SIZE 11
- unsigned long n;
- struct resource *res;
- char *mem;
- int i;
-
- if (nr_ioapics <= 0)
- return NULL;
-
- n = IOAPIC_RESOURCE_NAME_SIZE + sizeof(struct resource);
- n *= nr_ioapics;
-
- res = alloc_bootmem(n);
-
- if (!res)
- return NULL;
-
- memset(res, 0, n);
- mem = (void *)&res[nr_ioapics];
-
- for (i = 0; i < nr_ioapics; i++) {
- res[i].name = mem;
- res[i].flags = IORESOURCE_MEM | IORESOURCE_BUSY;
- snprintf(mem, IOAPIC_RESOURCE_NAME_SIZE, "IOAPIC %u", i);
- mem += IOAPIC_RESOURCE_NAME_SIZE;
- }
-
- return res;
-}
-#endif
-
void __init init_apic_mappings(void)
{
unsigned long apic_phys;
@@ -644,11 +604,6 @@ void __init init_apic_mappings(void)
apic_mapped = 1;
apic_printk(APIC_VERBOSE,"mapped APIC to %16lx (%16lx)\n", APIC_BASE, apic_phys);
- /* Put local APIC into the resource map. */
- lapic_resource.start = apic_phys;
- lapic_resource.end = lapic_resource.start + PAGE_SIZE - 1;
- insert_resource(&iomem_resource, &lapic_resource);
-
/*
* Fetch the APIC ID of the BSP in case we have a
* default configuration (or the MP table is broken).
@@ -658,9 +613,7 @@ void __init init_apic_mappings(void)
{
unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
int i;
- struct resource *ioapic_res;
- ioapic_res = ioapic_setup_resources();
for (i = 0; i < nr_ioapics; i++) {
if (smp_found_config) {
ioapic_phys = mp_ioapics[i].mpc_apicaddr;
@@ -672,13 +625,6 @@ void __init init_apic_mappings(void)
apic_printk(APIC_VERBOSE,"mapped IOAPIC to %016lx (%016lx)\n",
__fix_to_virt(idx), ioapic_phys);
idx++;
-
- if (ioapic_res) {
- ioapic_res->start = ioapic_phys;
- ioapic_res->end = ioapic_phys + (4 * 1024) - 1;
- insert_resource(&iomem_resource, ioapic_res);
- ioapic_res++;
- }
}
}
}
_
-
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--
Mark Haverkamp <[email protected]>
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