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xen-devel
Re: [Xen-devel] PVops domain 0 crash on NUMA system only Node==1 present
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To: |
Vincent CARON <zerodeux@xxxxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] PVops domain 0 crash on NUMA system only Node==1 present (Was: Re: Bug#603632: linux-image-2.6.32-5-xen-amd64: Linux kernel 2.6.32/xen/amd64 booting fine on bare metal, but not as dom0 with Xen 4.0.1 (Dell R410)) |
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From: |
Ian Campbell <Ian.Campbell@xxxxxxxxxx> |
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Date: |
Tue, 23 Nov 2010 18:52:07 +0000 |
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Cc: |
Cris Daniluk <cris.daniluk@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "603632@xxxxxxxxxxxxxxx" <603632@xxxxxxxxxxxxxxx> |
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Delivery-date: |
Tue, 23 Nov 2010 10:52:53 -0800 |
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<1290513067.31507.7699.camel@xxxxxxxxxxxxxxxxxxxxxx> |
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Organization: |
Citrix Systems, Inc. |
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<20101115233253.11935.35707.reportbug@zerohal> <1290513067.31507.7699.camel@xxxxxxxxxxxxxxxxxxxxxx> |
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xen-devel-bounces@xxxxxxxxxxxxxxxxxxx |
On Tue, 2010-11-23 at 11:51 +0000, Ian Campbell wrote:
>
> Perhaps we should be passing numa_node_id() (e.g. current node)
> instead of node 0?
I've just kicked off a build of the 2.6.32-27 Debian kernel with the
following additional patch, I will hopefully post the binaries tomorrow.
If you already have the capability to build a custom kernel in place you
might like to try it before then.
Ian.
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 7b29ae1..868b172 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -418,7 +418,7 @@ static int find_unbound_irq(void)
if (irq == start)
goto no_irqs;
- desc = irq_to_desc_alloc_node(irq, 0);
+ desc = irq_to_desc_alloc_node(irq, numa_node_id());
if (WARN_ON(desc == NULL))
return -1;
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