From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Smith Subject: Re: Sporadic PV guest malloc.c assertion failures and segfaults unless pv-l1tf=false is set Date: Sun, 25 Nov 2018 16:29:31 +0000 Message-ID: <20181125162931.GA3695@bitfolk.com> References: <20181125061849.GI4569@bitfolk.com> <20181125091413.GY3695@bitfolk.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1gQxHr-0004Lv-RX for xen-devel@lists.xenproject.org; Sun, 25 Nov 2018 16:29:35 +0000 Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Andrew Cooper Cc: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org SGkgQW5kcmV3LAoKT24gU3VuLCBOb3YgMjUsIDIwMTggYXQgMDI6NDg6NDhQTSArMDAwMCwgQW5k cmV3IENvb3BlciB3cm90ZToKPiBXaGljaCBhcmUgeW91ciB0d28gdHlwZXMgb2YgSW50ZWwgc2Vy dmVyPwoKNyBvZiB0aGVtIGhhdmUgWGVvbiBELTE1NDAsIDIgb2YgdGhlbSBoYXZlIFhlb24gRTUt MTY4MHY0LiBJJ3ZlCnNlZW4gdGhpcyBpc3N1ZSBvbiBndWVzdHMgcnVubmluZyBvbiBib3RoIGtp bmRzLCBhbmQgbXkgcmVwcm9kdWNlcgpndWVzdCB3YXMgbW92ZWQgZnJvbSBhIHByb2R1Y3Rpb24g RC0xNTQwIHNlcnZlciB0byBhIHRlc3QgRTUtMTY4MHY0CmFuZCBzdGlsbCBzdWZmZXJlZC4KCk15 IG9ubHkgYXZhaWxhYmxlIHRlc3QgaG9zdCBhdCB0aGUgbW9tZW50IGlzIEU1LTE2ODB2NC4KCj7C oFlvdSBzYXkgdGhhdCB5b3Ugb25seSBzZWUgdGhpcyB3aXRoIDY0Yml0IERlYmlhbiBrZXJuZWxz PwoKWWVzLCBidXQgdGhpcyBzZWVtcyBxdWl0ZSBzdWJ0bGUuIEkndmUgZ290IG9uZSBEZWJpYW4g c3RyZXRjaCBndWVzdAp3aGVyZSBwaHAtZnBtIGNyYXNoZXMgZXZlcnkgdGltZSwgYW5kIGFub3Ro ZXIgRGViaWFuIHN0cmV0Y2ggZ3Vlc3QKKHVua25vd24ga2VybmVsKSB3aGVyZSBhIHBhcnRpY3Vs YXIgcGVybCBzY3JpcHQgaGFzIGFuIGFzc2VydGlvbgpmYWlsdXJlIGluIG1hbGxvYy5jIGV2ZXJ5 IHRpbWUuIEFwYXJ0IGZyb20gdGhhdCBhY3Jvc3Mgc2V2ZXJhbApodW5kcmVkIG90aGVyIGd1ZXN0 cyBpdCdzIG9ubHkgYmVlbiBvYnNlcnZlZCBhIGhhbmRmdWwgb2YgdGltZXMgaW4gYQp3ZWVrIGFu ZCB0aGVzZSB0aW1lcyB3ZXJlIGFsbCBvbiA2NC1iaXQgRGViaWFuIGplc3NpZSBhbmQgc3RyZXRj aC4KU28gd2l0aCB0aGUgbGltaXRlZCBkYXRhIHRoaXMgY291bGQgc3RpbGwgYmUgY29pbmNpZGVu Y2UuCgpJIGhhdmUgb25lIGd1ZXN0IGFkbWluaXN0cmF0b3Igd2l0aCBhIDY0LWJpdCBHZW50b28g Z3Vlc3Qgc2F5aW5nCnRoZXkgbWlnaHQgaGF2ZSBzZWVuIGl0IG9uY2UgYmVjYXVzZSBnY2MgY3Jh c2hlZCBkdXJpbmcgYQpjb21waWxhdGlvbiwgYnV0IEkgYW0gc3RpbGwgd2FpdGluZyBmb3IgY2xh cmlmaWNhdGlvbiBvbiB0aGF0IG9uZS4KCj4gQ291bGQgeW91IGV4cGVyaW1lbnQgd2l0aCBkaXNh YmxpbmcgUENJRCAoYHBjaWQ9MGAgb24gdGhlIHhlbiBjb21tYW5kCj4gbGluZSkgYW5kIHNlZWlu ZyBpZiB0aGF0IGFmZmVjdHMgdGhlIHJlcHJvZHVjaWJpbGl0eS4KCkkgYW0gdW5hYmxlIHRvIHJl cHJvZHVjZSB0aGUgcHJvYmxlbSB3aXRoIHBjaWQ9MC4gc3RhZ2luZy00LjEwLAo2NC1iaXQgRGVi aWFuIFBWIGd1ZXN0IHdpdGggdGhlIGtlcm5lbCByZXZpc2lvbiBqdXN0IGJlZm9yZSBMMVRGCmZp eGVzIChsaW51eC1pbWFnZS00LjkuMC03LWFtZDY0IDQuOS4xMTAtMytkZWI5dTIpLiBYZW4gZG1l c2cgZG9lcwpzYXkgc2hhZG93IHBhZ2luZyBpcyBpbiBlZmZlY3QuCgpDaGVlcnMsCkFuZHkKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBt YWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlzdHMu eGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=