Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:18650 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759139Ab2HHTtl (ORCPT ); Wed, 8 Aug 2012 15:49:41 -0400 From: "Myklebust, Trond" To: Fred Isaman CC: "Isaman, Fred" , "tigran.mkrtchyan@desy.de" , Boaz Harrosh , Benny Halevy , linux-nfs Subject: Re: client kernel panic on server restart Date: Wed, 8 Aug 2012 19:49:24 +0000 Message-ID: <1344455362.8925.33.camel@lade.trondhjem.org> References: <1344447279.8925.5.camel@lade.trondhjem.org> <1344449028.8925.12.camel@lade.trondhjem.org> <1344450818.8925.17.camel@lade.trondhjem.org> In-Reply-To: Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org List-ID: T24gV2VkLCAyMDEyLTA4LTA4IGF0IDE1OjQ1IC0wNDAwLCBGcmVkIElzYW1hbiB3cm90ZToNCj4g T24gV2VkLCBBdWcgOCwgMjAxMiBhdCAyOjMzIFBNLCBNeWtsZWJ1c3QsIFRyb25kDQo+IDxUcm9u ZC5NeWtsZWJ1c3RAbmV0YXBwLmNvbT4gd3JvdGU6DQo+ID4gT24gV2VkLCAyMDEyLTA4LTA4IGF0 IDE0OjE1IC0wNDAwLCBGcmVkIElzYW1hbiB3cm90ZToNCj4gPj4gT24gV2VkLCBBdWcgOCwgMjAx MiBhdCAyOjAzIFBNLCBNeWtsZWJ1c3QsIFRyb25kDQo+ID4+IDxUcm9uZC5NeWtsZWJ1c3RAbmV0 YXBwLmNvbT4gd3JvdGU6DQo+ID4+ID4gT24gV2VkLCAyMDEyLTA4LTA4IGF0IDEzOjUxIC0wNDAw LCBGcmVkIElzYW1hbiB3cm90ZToNCj4gPj4gPj4gT24gV2VkLCBBdWcgOCwgMjAxMiBhdCAxOjM0 IFBNLCBNeWtsZWJ1c3QsIFRyb25kDQo+ID4+ID4+IDxUcm9uZC5NeWtsZWJ1c3RAbmV0YXBwLmNv bT4gd3JvdGU6DQo+ID4+ID4+ID4gT24gV2VkLCAyMDEyLTA4LTA4IGF0IDE4OjQ4ICswMjAwLCBU aWdyYW4gTWtydGNoeWFuIHdyb3RlOg0KPiA+PiA+PiA+PiBIaSwNCj4gPj4gPj4gPj4NCj4gPj4g Pj4gPj4gSXQncyBxdWl0ZSBzb21lIHRpbWUgd2l0aG91dCBrZXJuZWwgcGFuaWMgcmVwb3J0cyBm cm9tIG1lIC4uLi4NCj4gPj4gPj4gPj4NCj4gPj4gPj4gPj4gT2JzZXJ2ZXIgb24gTURTIGFuZCBE UyBzaHV0ZG93biBkdXJpbmcgSU8uDQo+ID4+ID4+ID4+DQo+ID4+ID4+ID4+IFRoaXMgaXMgd2l0 aCAgMy41LjAtMi5mYzE3Lng4Nl82NCBrZXJuZWwuIExpbmUgaW4gY29kZToNCj4gPj4gPj4gPj4N Cj4gPj4gPj4gPj4gbmZzNHByb2MuYzo2MjUyIDogICBCVUdfT04oIWxpc3RfZW1wdHkoJmxvLT5w bGhfc2VncykpOw0KPiA+PiA+PiA+Pg0KPiA+PiA+PiA+DQo+ID4+ID4+ID4gSWYgdGhlIHNlcnZl ciBkb2Vzbid0IHJldHVybiBhIHN0YXRlaWQsIHRoZW4gdGhhdCBpcyBzdXBwb3NlZCB0bw0KPiA+ PiA+PiA+IGluZGljYXRlIHRoYXQgaXQgdGhpbmtzIHRoYXQgaXQgZG9lc24ndCBob2xkIGFueSBt b3JlIGxheW91dCBzZWdtZW50cw0KPiA+PiA+PiA+IGZvciB0aGlzIGZpbGUuDQo+ID4+ID4+ID4g VG8gbWUsIHRoYXQgaW5kaWNhdGVzIHRoYXQgd2Ugc2hvdWxkIGJlIGNhbGxpbmcNCj4gPj4gPj4g PiBtYXJrX21hdGNoaW5nX2xzZWdzX2ludmFsaWQoKSByYXRoZXIgdGhhbiBPb3BzaW5nLg0KPiA+ PiA+PiA+DQo+ID4+ID4+ID4gQW55IGRpc3NlbnRpbmcgdm9pY2VzIGZyb20gdGhlIHBORlMgY3Jv d2Q/DQo+ID4+ID4+ID4NCj4gPj4gPj4NCj4gPj4gPj4gQnV0IHRoaXMgaW1wbGllcyB0aGF0IHRo ZSBjbGllbnQgdGhpbmtzIGl0IGhhcyBhIGxheW91dCB3aGljaCB0aGUNCj4gPj4gPj4gc2VydmVy IGRvZXMgbm90IGJlbGlldmUgaXQgaGFzLCB3aGljaCBzZWVtcyB0byBtZSB0byBpbXBseSBhbiBl YXJsaWVyDQo+ID4+ID4+IGJ1Zy4gIElmIHlvdSBjaGFuZ2UgdG8gbWFya19tYXRjaGluZ19sc2Vn c19pbnZhbGlkLCBJIHdvdWxkIHN1Z2dlc3QNCj4gPj4gPj4ga2VlcGluZyBhIFdBUk5fT04uDQo+ ID4+ID4NCj4gPj4gPiBXZSBjb3VsZCBwb3NzaWJseSBhZGQgYSBwcmludGssIGJ1dCBJIGRvbid0 IHNlZSB3aGF0IHZhbHVlIGEgV0FSTl9PTg0KPiA+PiA+IHdvdWxkIGhhdmUgaGVyZTogaG93IGlz IGEgc3RhY2sgZHVtcCBnb2luZyB0byBiZSB1c2VmdWwgaW4gZGVidWdnaW5nDQo+ID4+ID4gdGhp cyBpc3N1ZT8NCj4gPj4gPg0KPiA+PiA+IEFsc28sIGRvbid0IHdlIHNvbWV0aW1lcyBleHBlY3Qg dGhpcyBzb3J0IG9mIHRoaW5nIHRvIGhhcHBlbiBvbg0KPiA+PiA+IG9jY2FzaW9uPyBXaGF0IGlm IG91ciBsYXlvdXRyZXR1cm4gZW5kcyB1cCByYWNpbmcgd2l0aCB0aGUgbGF5b3V0IHJlY2FsbA0K PiA+PiA+IGZvbGxvd2luZyBhIERTIHNodXRkb3duPw0KPiA+PiA+DQo+ID4+DQo+ID4+IEFjdHVh bGx5LCBJIGZvcmdvdCBhYm91dCB0aGUgd2hvbGUgTEFZVVRSRVRVUk4gYXMgZmVuY2luZyBwb3Nz aWJpbGl0eS4NCj4gPj4gIEluIHRoYXQgY2FzZSwgeW91IGNhbiBwcmV0dHkgZWFzaWx5IGhpdCB0 aGUgQlVHX09OLiAgVGhvdWdoIEkgY2xhaW0NCj4gPj4gdGhhdCwgd2hpbGUgY2FsbGluZyBtYXJr X21hdGNoaW5nX2xzZWdzX2ludmFsaWQgZG9lc24ndCBodXJ0LCBpdA0KPiA+PiBzaG91bGQgYmUg dW5uZWNlc3NhcnkuDQo+ID4NCj4gPiBSaWdodC4uLiBTbyBtYXliZSBqdXN0IGEgZHByaW50aygp IGZvciBkZWJ1Z2dpbmcgcHVycG9zZXM/DQo+ID4NCj4gPiBCVFc6IFdoeSBzaG91bGRuJ3Qgd2Ug ZG8gdGhlIG1hcmtfbWF0Y2hpbmdfbHNlZ3NfaW52YWxpZD8gSWYgbm90LCB0aGVuDQo+ID4gd2Ug d2lsbCBuZWVkIGVpdGhlciB0byBkbyBhbiBleHRyYSBsYXlvdXRyZXR1cm4gb3IgZmFpbCBhIHJl YWQvd3JpdGUNCj4gPiBhdHRlbXB0IHRvIHRoZSBEUyBpbiBvcmRlciB0byBmaWd1cmUgb3V0IHRo YXQgdGhlIHN0YXRlaWQgaXMgbm93DQo+ID4gaW52YWxpZC4NCj4gPg0KPiANCj4gDQo+IFRoZXkg c2hvdWxkIGhhdmUgYWxyZWFkeSBiZWVuIG1hcmtlZCBhcyBpbnZhbGlkLCBhbmQgYXJlIGp1c3Qg d2FpdGluZw0KPiBvbiBpbyB0byBmaW5pc2ggZm9yIHJlbGVhc2UuDQoNClNvIGZhbGxiYWNrIHRv IE1EUz8gV2h5IGFyZSB3ZSBpc3N1aW5nIGEgbGF5b3V0cmV0dXJuIGluIHRoYXQgY2FzZT8NCg0K LS0gDQpUcm9uZCBNeWtsZWJ1c3QNCkxpbnV4IE5GUyBjbGllbnQgbWFpbnRhaW5lcg0KDQpOZXRB cHANClRyb25kLk15a2xlYnVzdEBuZXRhcHAuY29tDQp3d3cubmV0YXBwLmNvbQ0KDQo=