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 09:14:13 +0000 Message-ID: <20181125091413.GY3695@bitfolk.com> References: <20181125061849.GI4569@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 1gQqUb-0006qQ-7J for xen-devel@lists.xenproject.org; Sun, 25 Nov 2018 09:14:17 +0000 Received: from andy by mail.bitfolk.com with local (Exim 4.84_2) (envelope-from ) id 1gQqUX-0002TD-Gk for xen-devel@lists.xenproject.org; Sun, 25 Nov 2018 09:14:13 +0000 Content-Disposition: inline In-Reply-To: <20181125061849.GI4569@bitfolk.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org SGVsbG8sCgpPbiBTdW4sIE5vdiAyNSwgMjAxOCBhdCAwNjoxODo0OUFNICswMDAwLCBBbmR5IFNt aXRoIHdyb3RlOgo+IEluIHRoZSB0ZXh0IGZvciBYU0EtMjczIGl0IHNheXM6Cj4gCj4gICAgICJT aGFkb3dpbmcgY29tZXMgd2l0aCBhIHdvcmtsb2FkLWRlcGVuZGVudCBwZXJmb3JtYW5jZSBoaXQg dG8KPiAgICAgdGhlIGd1ZXN0LiAgT25jZSB0aGUgZ3Vlc3Qga2VybmVsIHNvZnR3YXJlIHVwZGF0 ZXMgaGF2ZSBiZWVuCj4gICAgIGFwcGxpZWQsIGEgd2VsbCBiZWhhdmVkIGd1ZXN0IHdpbGwgbm90 IHdyaXRlIHZ1bG5lcmFibGUgUFRFcywKPiAgICAgYW5kIHdpbGwgdGhlcmVmb3JlIGF2b2lkIHRo ZSBwZXJmb3JtYW5jZSBwZW5hbHR5IChvciBjcmFzaCkKPiAgICAgZW50aXJlbHkuIgo+IAo+IERv ZXMgYW55b25lIGhhdmUgYSByZWZlcmVuY2UgdG8gd2hhdCBpcyBuZWVkZWQgaW4gdGhlIExpbnV4 IGtlcm5lbAo+IGZvciB0aGF0PwoKUGVyaGFwcyBzdHVwaWRseSwgSSBoYXZlIG9ubHkganVzdCBu b3cgdGhvdWdodCB0byBjaGVjayB3aGV0aGVyIHRoZQpvbmUgZ3Vlc3QgSSBoYXZlIGFuIGVhc3kg cmVwcm9kdWNlciBvbiAocHJlZGljdGFibGUgZmFpbHVyZSBvZgpwaHAtZnBtKSB3YXMgYWN0dWFs bHkgcnVubmluZyBhbiB1cCB0byBkYXRlIGtlcm5lbC4gSXQgd2FzIG5vdC4KCkl0IGlzIERlYmlh biBzdHJldGNoIGFuZCB3YXMgcnVubmluZyBrZXJuZWwgcGFja2FnZQpsaW51eC1pbWFnZS00Ljku MC03LWFtZDY0IHZlcnNpb24gNC45LjExMC0zK2RlYjl1Mi4gVGhlIGd1ZXN0J3MKYWRtaW5pc3Ry YXRvciBvYnZpb3VzbHkgaGFkIG5vdCBkb25lIGFueSB1cGdyYWRlcyBzaW5jZSBpbnN0YWxsIHRp bWUKYmVjYXVzZSB1cGRhdGVkIGtlcm5lbCBsaW51eC1pbWFnZS00LjkuMC04LWFtZDY0IHZlcnNp b24gNC45LjEzMC0yCndhcyBhdmFpbGFibGUuCgpBZnRlciBpbnN0YWxsaW5nIGFuZCBib290aW5n IHdpdGggdGhhdCwgdGhlIGd1ZXN0IG5vIGxvbmdlciBjYXVzZXMKIkwxVEYtdnVsbmVyYWJsZSBM MWUgMDAwMDAwMDA2YTZmZjk2MCAtIFNoYWRvd2luZyIgdG8gYmUgZW1pdHRlZCBpbgp0aGUgaHlw ZXJ2aXNvciBkbWVzZywgYW5kIHRoZSBwcm9ibGVtcyBJIGRlc2NyaWJlZCBkaXNhcHBlYXIuCgpJ IGFzc3VtZSB0aGlzIGlzIGJlY2F1c2Ugb2Y6CgpodHRwczovL21ldGFkYXRhLmZ0cC1tYXN0ZXIu ZGViaWFuLm9yZy9jaGFuZ2Vsb2dzLy9tYWluL2wvbGludXgvbGludXhfNC45LjEzMC0yX2NoYW5n ZWxvZwoKICAgIGxpbnV4ICg0LjkuMTEwLTMrZGViOXUzKSBzdHJldGNoLXNlY3VyaXR5OyB1cmdl bmN5PWhpZ2gKCiAgICAgIFsgU2FsdmF0b3JlIEJvbmFjY29yc28gXQogICAgICAgICogQWRkIEwx IFRlcm1pbmFsIEZhdWx0IGZpeGVzIChDVkUtMjAxOC0zNjIwLCBDVkUtMjAxOC0zNjQ2KQoKU28s IEkgY2FuIHRlbGwgYWZmZWN0ZWQgZ3Vlc3QgYWRtaW5pc3RyYXRvcnMgdG8gdXBncmFkZSB0aGVp cgprZXJuZWxzIHRvIGluY2x1ZGUgTGludXgncyBMMVRGIHByb3RlY3Rpb25zIGFuZCB0aGVpciBw cm9ibGVtcwpzaG91bGQgZ28gYXdheS4KCkRvIHlvdSBjYXJlIHRoYXQgd2l0aG91dCB0aG9zZSBm aXhlcyB0aGVyZSBhcHBlYXIgdG8gYmUgbWVtb3J5CmNvcnJ1cHRpb24gaXNzdWVzPyBJZiBzbywg SSBjYW4ga2VlcCB0aGlzIHJlcHJvZHVjZXIgZ3Vlc3QgYXJvdW5kCmFuZCBkZWJ1ZyBpdCBmdXJ0 aGVyLgoKQ2hlZXJzLApBbmR5CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW5wcm9q ZWN0Lm9yZwpodHRwczovL2xpc3RzLnhlbnByb2plY3Qub3JnL21haWxtYW4vbGlzdGluZm8veGVu LWRldmVs