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Re: [Xen-devel] Hugepage support
- To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
- From: Keshav Darak <keshav_darak@xxxxxxxxx>
- Date: Mon, 10 Jan 2011 11:32:51 -0800 (PST)
- Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, Ashwin Vasani <vasani.ashwin@xxxxxxxxx>
- Delivery-date: Mon, 10 Jan 2011 11:33:37 -0800
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--- On Mon, 1/10/11, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> wrote:
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] Hugepage support
To: "Keshav Darak" <keshav_darak@xxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, "Ashwin Vasani" <vasani.ashwin@xxxxxxxxx>
Date: Monday, January 10, 2011, 6:36 PM
On Mon, Jan 10, 2011 at 10:12:01AM -0800, Keshav Darak wrote:
> I am using DOM0 as 2.6.32.27 jermey kernel. Fedora x86_64 (2.6.33.3-85.fc13.x86_64) as PV guest.
>
> In DOM0 kernel when I requested hugepage, kernel didnt crashed but terminal got hanged.
Was there any output in the serial log? Is the Xen hypervisor
still running? Were
you able to use Alt-SysRq to see what hte Linux kernel was doing? Did you test this
on baremetal and did it work there?
I just copied the output from the DOMU terminal and yes hypervisor was still running. DOMU crashed when written something on hugepages from C-Code (attached with the previous mail) but for the same code in DOM0, terminal hangs up.
> Initially this was the status for hugepage
> #cat /proc/meminfo | grep Huge
> HugePages_Total: 10
> HugePages_Free: 10
> HugePages_Rsvd: 0
> HugePages_Surp: 2048
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