From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: Ubuntu 16.04.1 LTS kernel 4.4.0-57 over-allocation and xen-access fail Date: Mon, 9 Jan 2017 12:04:41 +0000 Message-ID: <48600f88-30ad-1ce5-52da-8f76b3e61393@citrix.com> References: <790e8423-00b5-79ac-f0e4-f0ec92d79c32@bitdefender.com> <5873878F020000780012E2A5@prv-mh.provo.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cQYhl-0002TL-He for xen-devel@lists.xenproject.org; Mon, 09 Jan 2017 12:05:37 +0000 In-Reply-To: <5873878F020000780012E2A5@prv-mh.provo.novell.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Jan Beulich , Razvan Cojocaru Cc: xen-devel , Tamas K Lengyel List-Id: xen-devel@lists.xenproject.org T24gMDkvMDEvMTcgMTE6NTIsIEphbiBCZXVsaWNoIHdyb3RlOgo+Pj4+IE9uIDA5LjAxLjE3IGF0 IDEyOjM2LCA8cmNvam9jYXJ1QGJpdGRlZmVuZGVyLmNvbT4gd3JvdGU6Cj4+IFdlJ3ZlIGNvbWUg YWNyb3NzIGEgd2VpcmQgcGhlbm9tZW5vbjogYW4gVWJ1bnR1IDE2LjA0LjEgTFRTIEhWTSBndWVz dAo+PiBydW5uaW5nIGtlcm5lbCA0LjQuMCBpbnN0YWxsZWQgdmlhIFhlbkNlbnRlciBpbiBYZW5T ZXJ2ZXIgRHVuZGVlIHNlZW1zCj4+IHRvIGVhdCB1cCBhbGwgdGhlIFJBTSBpdCBjYW46Cj4+Cj4+ IChYRU4pIFsgIDM5NC4zNzk3NjBdIGQxdjEgT3Zlci1hbGxvY2F0aW9uIGZvciBkb21haW4gMTog NTI0NTQ1ID4gNTI0NTQ0Cj4+Cj4+IFRoaXMgbGVhZHMgdG8gYSBwcm9ibGVtIHdpdGggeGVuLWFj Y2Vzcywgc3BlY2lmaWNhbGx5IGxpYnhjIHdoaWNoIGRvZXMKPj4gdGhpcyBpbiB4Y192bV9ldmVu dF9lbmFibGUoKSAodGhpcyBpcyBYZW4gNC42KToKPj4KPj4gcmluZ19wYWdlID0geGNfbWFwX2Zv cmVpZ25fYmF0Y2goeGNoLCBkb21haW5faWQsIFBST1RfUkVBRCB8IFBST1RfV1JJVEUsCj4+ICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICZtbWFwX3BmbiwgMSk7Cj4+Cj4+IGlmICgg bW1hcF9wZm4gJiBYRU5fRE9NQ1RMX1BGSU5GT19YVEFCICkKPj4gewo+PiAgICAgLyogTWFwIGZh aWxlZCwgcG9wdWxhdGUgcmluZyBwYWdlICovCj4+ICAgICByYzEgPSB4Y19kb21haW5fcG9wdWxh dGVfcGh5c21hcF9leGFjdCh4Y2gsIGRvbWFpbl9pZCwgMSwgMCwgMCwKPj4gICAgICAgICAgICAg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAmcmluZ19wZm4pOwo+PiAgICAgaWYg KCByYzEgIT0gMCApCj4+ICAgICB7Cj4+ICAgICAgICAgUEVSUk9SKCJGYWlsZWQgdG8gcG9wdWxh dGUgcmluZyBwZm5cbiIpOwo+PiAgICAgICAgIGdvdG8gb3V0Owo+PiAgICAgfQo+Pgo+PiBUaGUg Zmlyc3QgdGltZSBldmVyeXRoaW5nIHdvcmtzIGZpbmUsIHhlbi1hY2Nlc3MgY2FuIG1hcCB0aGUg cmluZyBwYWdlLgo+PiBCdXQgbW9zdCBvZiB0aGUgdGltZSB0aGUgc2Vjb25kIHRpbWUgZmFpbHMg aW4gdGhlCj4+IHhjX2RvbWFpbl9wb3B1bGF0ZV9waHlzbWFwX2V4YWN0KCkgY2FsbCwgYW5kIGFn YWluIHRoaXMgaXMgZHVtcGVkIGluIHRoZQo+PiBYZW4gbG9nIChvbmNlIGZvciBlYWNoIGZhaWxl ZCBhdHRlbXB0KToKPj4KPj4gKFhFTikgWyAgMzk1Ljk1MjE4OF0gZDB2MyBPdmVyLWFsbG9jYXRp b24gZm9yIGRvbWFpbiAxOiA1MjQ1NDUgPiA1MjQ1NDQKPiBJIGRvbid0IHRoaW5rIHRoZXJlJ3Mg YW55IHdlaXJkbmVzcyBoZXJlIC0gaWYgdGhlIGd1ZXN0IGJhbGxvb25lZAo+IGl0c2VsZiB0byB0 aGUgZXhhY3QgYm91bmRhcnkgaXQgaXMgcGVybWl0dGVkIHRvIGFsbG9jYXRlLCB0aGVyZSdzCj4g bm8gd2F5IGZvciBhbm90aGVyIHBhZ2UgdG8gYmUgYWxsb2NhdGVkIGZvciBpdCwgbm8gbWF0dGVy IHdoZXRoZXIKPiB0aGF0J3MgYmVpbmcgcmVxdWVzdGVkIGJ5IHRoZSBndWVzdCBpdHNlbGYgb3Ig dGhlIHRvb2wgc3RhY2suIEJlZm9yZQo+IHRoaW5raW5nIG9mIHBvc3NpYmxlIHNvbHV0aW9ucywg Y291bGQgeW91IHJlbWluZCBtZSB3aHkgaXQgaXMgdGhhdAo+IHRoZSByaW5nIHBhZ2UgZ2V0cyBw dXQgaW4gZ3Vlc3QgcGZuIHNwYWNlIGluIHRoZSBmaXJzdCBwbGFjZT8gSXNuJ3QKPiB0aGUgcmlu ZyB1c2VkIGZvciBjb21tdW5pY2F0aW9uIGJldHdlZW4gdG9vbCBzdGFjayBhbmQgaHlwZXJ2aXNv cj8KCkJlY2F1c2UgdGhlcmUgaXMgbm8gb3RoZXIgQVBJIGF2YWlsYWJsZSBmb3IgZG9pbmcgcmlu Z3MgbGlrZSB0aGlzLgoKSU1PLCBpdCBpcyBhbmQgYWx3YXlzIHdhcyBhIG1pc3Rha2UgdG8gZXZl ciBoYXZlIHJpbmdzIGxpa2UgdGhpcyBpbiBHRk4Kc3BhY2UsIGJ1dCB0aGF0IHNoaXAgaGFzIHNh aWxlZCAoYW5kIGNvbWUgYmFjayB3aXRoIHNldmVyYWwgWFNBcyBvdmVyCnRoZSB5ZWFycykuICAo QXBwYXJlbnRseSwgaXQgd2FzIGRvbmUgdGhpcyB3YXkgb3JpZ2luYWxseSBzbyB0aGUgUkFNIHRo ZQpyaW5nIHRvb2sgdXAgd2FzIGFjY291bnRlZCB0byB0aGUgZG9tYWluLCBidXQgdGhlcmUgYXJl IGVhc3kgd2F5cyB0byBnZXQKdGhlIGFjY291bnRpbmcgY29ycmVjdCB3aXRob3V0IHRoZSBhdHRh Y2sgc3VyZmFjZXMpLgoKSSBoYXZlIHNvbWUgdmVyeSB2YWd1ZSBwbGFucyB0byBpbnRyb2R1Y2Ug YSBuZXcgbWFwcGluZyBBUEksIGZvciBmcmFtZXMKd2hpY2ggbXVzdG7igJl0IGJlIGFjY2Vzc2Fi bGUgdG8gdGhlIGd1ZXN0LCBidXQgYWxzbyB0byBzdXBwb3J0IGV4cG9ydGluZwpzdGF0cyBmcm9t IFhlbiB2aWEgc2hhcmVkIG1lbW9yeSByYXRoZXIgdGhhbiBoeXBlcmNhbGwuICBJIHNob3VsZApw cm9iYWJseSBzZWUgYWJvdXQgd3JpdGluZyB1cCBhIGRlc2lnbiBmb3IgdGhpcywgYW5kIHNlZWlu ZyBpZiBzb21lb25lCmhhcyB0aW1lIHRvIGxvb2sgaW50byBpdC4KCn5BbmRyZXcKCl9fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5n IGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1k ZXZlbAo=