From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: vhost changes (batched) in linux-next after 12/13 trigger random crashes in KVM guests after reboot Date: Tue, 7 Jan 2020 04:39:00 -0500 Message-ID: <20200107042401-mutt-send-email-mst@kernel.org> References: <20191218100926-mutt-send-email-mst@kernel.org> <2ffdbd95-e375-a627-55a1-6990b0a0e37a@de.ibm.com> <20200106054041-mutt-send-email-mst@kernel.org> <08ae8d28-3d8c-04e8-bdeb-0117d06c6dc7@de.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <08ae8d28-3d8c-04e8-bdeb-0117d06c6dc7@de.ibm.com> Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" To: Christian Borntraeger Cc: Stephen Rothwell , kvm list , "linux-kernel@vger.kernel.org" , "virtualization@lists.linux-foundation.org" , Halil Pasic , Linux Next Mailing List List-Id: virtualization@lists.linuxfoundation.org T24gVHVlLCBKYW4gMDcsIDIwMjAgYXQgMDk6NTk6MTZBTSArMDEwMCwgQ2hyaXN0aWFuIEJvcm50 cmFlZ2VyIHdyb3RlOgo+IAo+IAo+IE9uIDA2LjAxLjIwIDExOjUwLCBNaWNoYWVsIFMuIFRzaXJr aW4gd3JvdGU6Cj4gPiBPbiBXZWQsIERlYyAxOCwgMjAxOSBhdCAwNDo1OTowMlBNICswMTAwLCBD aHJpc3RpYW4gQm9ybnRyYWVnZXIgd3JvdGU6Cj4gPj4gT24gMTguMTIuMTkgMTY6MTAsIE1pY2hh ZWwgUy4gVHNpcmtpbiB3cm90ZToKPiA+Pj4gT24gV2VkLCBEZWMgMTgsIDIwMTkgYXQgMDM6NDM6 NDNQTSArMDEwMCwgQ2hyaXN0aWFuIEJvcm50cmFlZ2VyIHdyb3RlOgo+ID4+Pj4gTWljaGFlbCwK PiA+Pj4+Cj4gPj4+PiB3aXRoIAo+ID4+Pj4gY29tbWl0IGRiNzI4NmIxMDBiNTAzZWY4MDYxMjg4 NDQ1M2JlZDUzZDc0YzlhMTYgKHJlZnMvYmlzZWN0L3NraXAtZGI3Mjg2YjEwMGI1MDNlZjgwNjEy ODg0NDUzYmVkNTNkNzRjOWExNikKPiA+Pj4+ICAgICB2aG9zdDogdXNlIGJhdGNoZWQgdmVyc2lv biBieSBkZWZhdWx0Cj4gPj4+PiBwbHVzCj4gPj4+PiBjb21taXQgNmJkMjYyZDVlYWZjZGY4Y2Rm YWU0OTFlMmU3NDhlNGU0MzRkY2RhNiAoSEVBRCwgcmVmcy9iaXNlY3QvYmFkKQo+ID4+Pj4gICAg IFJldmVydCAidmhvc3QvbmV0OiBhZGQgYW4gb3B0aW9uIHRvIHRlc3QgbmV3IGNvZGUiCj4gPj4+ PiB0byBtYWtlIHRoaW5ncyBjb21waWxlICh5b3VyIG5leHQgdHJlZSBpcyBub3QgZWFzaWx5IGJp c2VjdGFibGUsIGNhbiB5b3UgZml4IHRoYXQgYXMgd2VsbD8pLgo+ID4+Pgo+ID4+PiBJJ2xsIHRy eS4KPiA+Pj4KPiA+Pj4+Cj4gPj4+PiBJIGdldCByYW5kb20gY3Jhc2hlcyBpbiBteSBzMzkwIEtW TSBndWVzdHMgYWZ0ZXIgcmVib290Lgo+ID4+Pj4gUmV2ZXJ0aW5nIGJvdGggcGF0Y2hlcyB0b2dl dGhlciB3aXRoIGNvbW1pdCBkZWNkOWI4ICJ2aG9zdDogdXNlIHZob3N0X2Rlc2MgaW5zdGVhZCBv ZiB2aG9zdF9sb2ciIHRvCj4gPj4+PiBtYWtlIGl0IGNvbXBpbGUgYWdhaW4pIG9uIHRvcCBvZiBs aW51eC1uZXh0LTEyMTggbWFrZXMgdGhlIHByb2JsZW0gZ28gYXdheS4KPiA+Pj4+Cj4gPj4+PiBM b29rcyBsaWtlIHRoZSBiYXRjaGVkIHZlcnNpb24gaXMgbm90IHlldCByZWFkeSBmb3IgcHJpbWUg dGltZS4gQ2FuIHlvdSBkcm9wIHRoZXNlIHBhdGNoZXMgdW50aWwKPiA+Pj4+IHdlIGhhdmUgZml4 ZWQgdGhlIGlzc3Vlcz8KPiA+Pj4+Cj4gPj4+PiBDaHJpc3RpYW4KPiA+Pj4+Cj4gPj4+Cj4gPj4+ IFdpbGwgZG8sIHRoYW5rcyBmb3IgbGV0dGluZyBtZSBrbm93Lgo+ID4+Cj4gPj4gSSBoYXZlIGNv bmZpcm1lZCB3aXRoIHRoZSBpbml0aWFsIHJlcG9ydGVyIChpbnRlcm5hbCB0ZXN0IHRlYW0pIHRo YXQgPGRyaXZlciBuYW1lPSdxZW11Jy8+IAo+ID4+IHdpdGggYSBrbm93biB0byBiZSBicm9rZW4g bGludXggbmV4dCBrZXJuZWwgYWxzbyBmaXhlcyB0aGUgcHJvYmxlbSwgc28gaXQgaXMgcmVhbGx5 IHRoZQo+ID4+IHZob3N0IGNoYW5nZXMuCj4gPiAKPiA+IE9LIEknbSBiYWNrIGFuZCB0cnlpbmcg dG8gbWFrZSBpdCBtb3JlIGJpc2VjdGFibGUuCj4gPiAKPiA+IEkgcHVzaGVkIGEgbmV3IHRhZyAi YmF0Y2gtdjIiLgo+ID4gSXQncyBzYW1lIGNvZGUgYnV0IHdpdGggdGhpcyBiaXNlY3Qgc2hvdWxk IGdldCBtb3JlIGluZm9ybWF0aW9uLgo+IAo+IEkgZ2V0IHRoZSBmb2xsb3dpbmcgd2l0aCB0aGlz IHRhZwo+IAo+IGRyaXZlcnMvdmhvc3QvbmV0LmM6IEluIGZ1bmN0aW9uIOKAmHZob3N0X25ldF90 eF9nZXRfdnFfZGVzY+KAmToKPiBkcml2ZXJzL3Zob3N0L25ldC5jOjU3NDo3OiBlcnJvcjogaW1w bGljaXQgZGVjbGFyYXRpb24gb2YgZnVuY3Rpb24g4oCYdmhvc3RfZ2V0X3ZxX2Rlc2NfYmF0Y2ji gJk7IGRpZCB5b3UgbWVhbiDigJh2aG9zdF9nZXRfdnFfZGVzY+KAmT8gWy1XZXJyb3I9aW1wbGlj aXQtZnVuY3Rpb24tZGVjbGFyYXRpb25dCj4gICA1NzQgfCAgIHIgPSB2aG9zdF9nZXRfdnFfZGVz Y19iYXRjaCh0dnEsIHR2cS0+aW92LCBBUlJBWV9TSVpFKHR2cS0+aW92KSwKPiAgICAgICB8ICAg ICAgIF5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+Cj4gICAgICAgfCAgICAgICB2aG9zdF9nZXRfdnFf ZGVzYwo+IAoKTm90IHN1cmUgd2h5IGJ1dCBJIHB1c2hlZCBhIHdyb25nIGNvbW1pdC4gU29ycnku IFNob3VsZCBiZSBnb29kIG5vdy4KCi0tIApNU1QKCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFs aXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91 bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==