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[Xen-devel] xl vcpu-set crashes Dom0
| To: | Keir Fraser <keir.fraser@xxxxxxxxxxxxx> |
|---|---|
| Subject: | [Xen-devel] xl vcpu-set crashes Dom0 |
| From: | Andre Przywara <andre.przywara@xxxxxxx> |
| Date: | Mon, 28 Feb 2011 18:23:19 +0100 |
| Cc: | Juergen Gross <juergen.gross@xxxxxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Mon, 28 Feb 2011 09:27:10 -0800 |
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Hi,as mentioned earlier today I had some issues with patch 22934, which decreases the number of vCPUs for Dom0 in case of cpupool-numa-split. I now found that this is not directly related to this patch, as it triggers also with "xl vcpu-set". So far I tried the following combinations:
c/s 22956 on a machine with 48 physical CPUs:
not restricted dom0:
xl vcpu-set 0 6 => crashes
xl vcpu-set 0 47 => crashes
dom0_max_vcpus=6
xl vcpu-set 0 5 => crashes
xm vcpu-set 0 5 => crashes
The only message I get is:
root@dosorca:~# xm vcpu-set 0 5
(XEN) Domain 0 crashed: rebooting machine in 5 seconds.
Debugging turned out that for instance the libxl_set_vcpuonline()
returns without an error, but the machine then crashes afterwards.
Can someone reproduce this? Any ideas? Regards, Andre. -- Andre Przywara AMD-OSRC (Dresden) Tel: x29712 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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