From mboxrd@z Thu Jan 1 00:00:00 1970 From: "gregkh@linuxfoundation.org" Subject: Re: 4.4: INFO: rcu_sched self-detected stall on CPU Date: Mon, 2 May 2016 13:54:31 -0700 Message-ID: <20160502205431.GA14983__44490.813490893$1462222554$gmane$org@kroah.com> References: <56F52DBF.5080006@oracle.com> <56F545B1.8080609@crc.id.au> <56F54EE0.6030004@oracle.com> <56F56172.9020805@crc.id.au> <56F5653B.1090700@oracle.com> <56F5A87A.8000903@crc.id.au> <56FA4336.2030301@crc.id.au> <56FA8DDD.7070406@oracle.com> <56FABF17.7090608@crc.id.au> <56FAC3AC.9050802@crc.id.au> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1axKrT-0002Nu-U0 for xen-devel@lists.xenproject.org; Mon, 02 May 2016 20:54:36 +0000 Content-Disposition: inline In-Reply-To: <56FAC3AC.9050802@crc.id.au> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Steven Haigh Cc: xen-devel , Boris Ostrovsky , linux-kernel@vger.kernel.org List-Id: xen-devel@lists.xenproject.org T24gV2VkLCBNYXIgMzAsIDIwMTYgYXQgMDU6MDQ6MjhBTSArMTEwMCwgU3RldmVuIEhhaWdoIHdy b3RlOgo+IEdyZWcsIHBsZWFzZSBzZWUgYmVsb3cgLSB0aGlzIGlzIHByb2JhYmx5IG1vcmUgZm9y IHlvdS4uLgo+IAo+IE9uIDAzLzI5LzIwMTYgMDQ6NTYgQU0sIFN0ZXZlbiBIYWlnaCB3cm90ZToK PiA+Cj4gPiBJbnRlcmVzdGluZ2x5IGVub3VnaCwgdGhpcyBqdXN0IGhhcHBlbmVkIGFnYWluIC0g YnV0IG9uIGEgZGlmZmVyZW50Cj4gPiB2aXJ0dWFsIG1hY2hpbmUuIEknbSBzdGFydGluZyB0byB3 b25kZXIgaWYgdGhpcyBtYXkgaGF2ZSBzb21ldGhpbmcgdG8gZG8KPiA+IHdpdGggdGhlIHVwdGlt ZSBvZiB0aGUgbWFjaGluZSAtIGFzIHRoZSBzeXN0ZW0gdGhhdCB0aGlzIHNlZW1zIHRvIGhhcHBl bgo+ID4gdG8gaXMgYWx3YXlzIGRpZmZlcmVudC4KPiA+Cj4gPiBEZXN0cm95aW5nIGl0IGFuZCBt b25pdG9yaW5nIGl0IGFnYWluIGhhcyBzbyBmYXIgY29tZSB1cCBibGFuay4KPiA+Cj4gPiBJJ3Zl IHRocm93biB0aGUgbGF0ZXN0IGxvdCBvZiBrZXJuZWwgbWVzc2FnZXMgaGVyZToKPiA+ICAgICAg aHR0cDovL3Bhc3RlLmZlZG9yYXByb2plY3Qub3JnLzM0NjgwMi81OTI0MTUzMgo+IAo+IFNvIEkg anVzdCBkaWQgYSBiaXQgb2YgZGlnZ2luZyB2aWEgdGhlIGFsbWlnaHR5IEdvb2dsZS4KPiAKPiBJ IHN0YXJ0ZWQgaHVudGluZyBmb3IgdGhlc2UgbGluZXMsIGFzIHRoZXkgaGFwcGVuIGp1c3QgYmVm b3JlIHRoZSBzdGFsbDoKPiBCVUc6IEJhZCByc3MtY291bnRlciBzdGF0ZSBtbTpmZmZmODgwMDdi N2RiNDgwIGlkeDoyIHZhbDotMQo+IEJVRzogQmFkIHJzcy1jb3VudGVyIHN0YXRlIG1tOmZmZmY4 ODAwNzljNjM4YzAgaWR4OjAgdmFsOi0xCj4gQlVHOiBCYWQgcnNzLWNvdW50ZXIgc3RhdGUgbW06 ZmZmZjg4MDA3OWM2MzhjMCBpZHg6MiB2YWw6LTEKPiAKPiBJIHN0dW1ibGVkIGFjcm9zcyB0aGlz IHBvc3Qgb24gdGhlIGxrbWw6Cj4gICAgIGh0dHA6Ly9tYXJjLmluZm8vP2w9bGludXgta2VybmVs Jm09MTQ1MTQxNTQ2NDA5NjA3Cj4gCj4gVGhlIHBhdGNoIGF0dGFjaGVkIHNlZW1zIHRvIHJlZmVy ZW5jZSB0aGUgZm9sbG93aW5nIGNoYW5nZSBpbgo+IHVubWFwX21hcHBpbmdfcmFuZ2UgaW4gbW0v bWVtb3J5LmM6Cj4gPiAtCXN0cnVjdCB6YXBfZGV0YWlscyBkZXRhaWxzOwo+ID4gKwlzdHJ1Y3Qg emFwX2RldGFpbHMgZGV0YWlscyA9IHsgfTsKPiAKPiBXaGVuIEkgYnJvd3NlIHRoZSBHSVQgdHJl ZSBmb3IgNC40LjY6Cj4gaHR0cHM6Ly9naXQua2VybmVsLm9yZy9jZ2l0L2xpbnV4L2tlcm5lbC9n aXQvc3RhYmxlL2xpbnV4LXN0YWJsZS5naXQvdHJlZS9tbS9tZW1vcnkuYz9pZD1yZWZzL3RhZ3Mv djQuNC42Cj4gCj4gSSBzZWUgYXQgbGluZSAyNDExOgo+IHN0cnVjdCB6YXBfZGV0YWlscyBkZXRh aWxzOwo+IAo+IElzIHRoaXMgc29tZXRoaW5nIHRoYXQgaGFzIGJlZW4gbWlzc2VkIGJlaW5nIG1l cmdlZCBpbnRvIHRoZSA0LjQgdHJlZT8KPiBJJ2xsIGFkbWl0IG15IGtlcm5lbCBrbm93bGVkZ2Ug aXMgbm90IGVub3VnaCB0byB1bmRlcnN0YW5kIHdoYXQgdGhlIGNvZGUKPiBhY3R1YWxseSBkb2Vz IC0gYnV0IHRoZSBzaW1pbGFyaXRpZXMgaGVyZSBzZWVtIHVuY2FubnkuCgpJJ20gc29ycnksIEkg aGF2ZSBubyBpZGVhIHdoYXQgeW91IGFyZSBhc2tpbmcgbWUgYWJvdXQgaGVyZS4gIERpZCBJIG1p c3MKYSBwYXRjaCB0aGF0IHNob3VsZCBiZSBiYWNrcG9ydGVkPyAgRGlkIEkgYmFja3BvcnQgc29t ZXRoaW5nCmluY29ycmVjdGx5PwoKY29uZnVzZWQsCgpncmVnIGstaAoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlzdApY ZW4tZGV2ZWxAbGlzdHMueGVuLm9yZwpodHRwOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK