On 2015/11/7 15:56, Arthur Marsh wrote:
> Hi, I've run into a situation where I've been getting a lock-up a few
> seconds into the boot process on a machine with an ASUS A8V-MX
> motherboard, BIOS 0503 12/06/2005 with AMD Athlon(tm) 64 Processor
> 3200+ (single core) with kernel compiled in 32 bit mode (config attached
> was used for both the problem kernel and kernel with the patch reverted,
> dmesg attached was for the kernel with the patch reverted).
>
> A git bisect traced the problem back to:
>
> git bisect good
> 4d6b4e69a245e9df4b84dba387596086cb66887d is the first bad commit
> commit 4d6b4e69a245e9df4b84dba387596086cb66887d
> Author: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
> Date: Wed Oct 14 14:29:41 2015 +0800
>
> x86/PCI/ACPI: Use common interface to support PCI host bridge
>
> Use common interface to simplify ACPI PCI host bridge implementation.
>
> Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
> Reviewed-by: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
> Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> :040000 040000 a3447eea376b5a3e6f57deb35cf064c5481b45e3
> f64d8e49fd87b776933dfa3dfefcb33509004d3f M arch
>
> From the boot-up I get the message as shown in the images at:
> http://www.users.on.net/~arthur.marsh/20151107601.jpg and
> http://www.users.on.net/~arthur.marsh/20151107602.jpg
>
> The boot-up suggests trying rebooting with pci=alloc but that didn't help.
>
> The errors shown include
> "BAR 0: trying firmware assignment [io size 0x0020]"
> "BAR 0: [io size 0x0020] conflicts with PCI Bus #00 [io 0x0000-0xffff]
> "BAR 0: failed to assign [io size 0x0020]
>
> After reverting the patch and installing the resulting kernel I was able
> to boot normally.
>
> I'd be happy to provide any further information and run further tests to
> help identify and resolve the proble.
Hi Arthur,
Could you please help to try the attached test patch?
Thanks,
Gerry
>
> Arthur.
>
>
>From 02818ba34bfa76d93f2a29c85660da0323b0b457 Mon Sep 17 00:00:00 2001
From: Liu Jiang <jiang.liu@xxxxxxxxxxxxxxx>
Date: Mon, 9 Nov 2015 13:36:48 +0800
Subject: [PATCH]
Signed-off-by: Liu Jiang <jiang.liu@xxxxxxxxxxxxxxx>
---
arch/x86/pci/bus_numa.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/x86/pci/bus_numa.c b/arch/x86/pci/bus_numa.c
index 7bcf06a7cd12..022d83158cdb 100644
--- a/arch/x86/pci/bus_numa.c
+++ b/arch/x86/pci/bus_numa.c
@@ -51,6 +51,8 @@ void x86_pci_root_bus_resources(int bus, struct list_head *resources)
pci_add_resource(resources, &info->busn);
list_for_each_entry(root_res, &info->resources, list) {
+ pci_add_resource(resources, &root_res->res);
+#if 0
struct resource *res;
struct resource *root;
@@ -61,6 +63,7 @@ void x86_pci_root_bus_resources(int bus, struct list_head *resources)
else
root = &iomem_resource;
insert_resource(root, res);
+#endif
}
return;
--
1.7.10.4
