Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-09-30 Thread Konrad Rzeszutek Wilk
On Mon, Sep 28, 2015 at 10:53:33PM +0200, Christoffer Dall wrote: > On Mon, Sep 14, 2015 at 5:20 PM, Ian Campbell > wrote: > > > On Mon, 2015-09-14 at 14:40 +0200, Christoffer Dall wrote: > > > On Fri, Jul 31, 2015 at 03:17:56PM +0200, Christoffer Dall wrote: > > > > On Fri, Jul 31, 2015 at 12:28

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-09-28 Thread Christoffer Dall
On Mon, Sep 14, 2015 at 5:20 PM, Ian Campbell wrote: > On Mon, 2015-09-14 at 14:40 +0200, Christoffer Dall wrote: > > On Fri, Jul 31, 2015 at 03:17:56PM +0200, Christoffer Dall wrote: > > > On Fri, Jul 31, 2015 at 12:28 PM, David Vrabel < > david.vra...@citrix.com > > > > > > > wrote: > > > > > >

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-09-14 Thread Christoffer Dall
On Mon, Sep 14, 2015 at 5:20 PM, Ian Campbell wrote: > On Mon, 2015-09-14 at 14:40 +0200, Christoffer Dall wrote: > > On Fri, Jul 31, 2015 at 03:17:56PM +0200, Christoffer Dall wrote: > > > On Fri, Jul 31, 2015 at 12:28 PM, David Vrabel < > david.vra...@citrix.com > > > > > > > wrote: > > > > > >

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-09-14 Thread Ian Campbell
On Mon, 2015-09-14 at 14:40 +0200, Christoffer Dall wrote: > On Fri, Jul 31, 2015 at 03:17:56PM +0200, Christoffer Dall wrote: > > On Fri, Jul 31, 2015 at 12:28 PM, David Vrabel > > > > wrote: > > > > > On 31/07/15 11:24, Stefano Stabellini wrote: > > > > This is a Linux Dom0 crash on x86 (Dell P

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-09-14 Thread Konrad Rzeszutek Wilk
On Mon, Sep 14, 2015 at 02:40:08PM +0200, Christoffer Dall wrote: > On Fri, Jul 31, 2015 at 03:17:56PM +0200, Christoffer Dall wrote: > > On Fri, Jul 31, 2015 at 12:28 PM, David Vrabel > > wrote: > > > > > On 31/07/15 11:24, Stefano Stabellini wrote: > > > > This is a Linux Dom0 crash on x86 (Del

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-09-14 Thread Christoffer Dall
On Fri, Jul 31, 2015 at 03:17:56PM +0200, Christoffer Dall wrote: > On Fri, Jul 31, 2015 at 12:28 PM, David Vrabel > wrote: > > > On 31/07/15 11:24, Stefano Stabellini wrote: > > > This is a Linux Dom0 crash on x86 (Dell PowerEdge R320, Xeon E5-2450), > > > CC'ing relevant people. As you can see

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-08-03 Thread Christoffer Dall
On Fri, Jul 31, 2015 at 12:28 PM, David Vrabel wrote: > On 31/07/15 11:24, Stefano Stabellini wrote: > > This is a Linux Dom0 crash on x86 (Dell PowerEdge R320, Xeon E5-2450), > > CC'ing relevant people. As you can see from the links below the crash > > is: > > > > [ 253.619326] Call Trace: > > [

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-07-31 Thread Stefano Stabellini
This is a Linux Dom0 crash on x86 (Dell PowerEdge R320, Xeon E5-2450), CC'ing relevant people. As you can see from the links below the crash is: [ 253.619326] Call Trace: [ 253.619330] [ 253.619332] [] ? skb_copy_ubufs+0xa5/0x230 [ 253.619347] [] __netif_receive_skb_core+0x6f5/0x940 [ 253.619353]

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-07-31 Thread David Vrabel
On 31/07/15 11:24, Stefano Stabellini wrote: > This is a Linux Dom0 crash on x86 (Dell PowerEdge R320, Xeon E5-2450), > CC'ing relevant people. As you can see from the links below the crash > is: > > [ 253.619326] Call Trace: > [ 253.619330] > [ 253.619332] [] ? skb_copy_ubufs+0xa5/0x230 > [ 253.

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-07-28 Thread Christoffer Dall
On Tue, Jul 28, 2015 at 4:55 PM, Ian Campbell wrote: > On Tue, 2015-07-28 at 10:50 -0400, Konrad Rzeszutek Wilk wrote: > > On Tue, Jul 28, 2015 at 03:09:31PM +0200, Christoffer Dall wrote: > > > Hi, > > > > > > I've been doing some performance comparisons lately, and wanted to > > > compare > > >

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-07-28 Thread Ian Campbell
On Tue, 2015-07-28 at 10:50 -0400, Konrad Rzeszutek Wilk wrote: > On Tue, Jul 28, 2015 at 03:09:31PM +0200, Christoffer Dall wrote: > > Hi, > > > > I've been doing some performance comparisons lately, and wanted to > > compare > > the performance overhead of using Xen with apache bench, but > >

Re: [Xen-devel] Dom0 crash with apache bench (ab)

2015-07-28 Thread Konrad Rzeszutek Wilk
On Tue, Jul 28, 2015 at 03:09:31PM +0200, Christoffer Dall wrote: > Hi, > > I've been doing some performance comparisons lately, and wanted to compare > the performance overhead of using Xen with apache bench, but unfortunately > the Dom0 kernel crashes when hitting it with ab from a remote machin

[Xen-devel] Dom0 crash with apache bench (ab)

2015-07-28 Thread Christoffer Dall
Hi, I've been doing some performance comparisons lately, and wanted to compare the performance overhead of using Xen with apache bench, but unfortunately the Dom0 kernel crashes when hitting it with ab from a remote machine. Most other workloads seem to be stable, however, I do see similar crashes