Return-Path: linux-nfs-owner@vger.kernel.org Received: from mx2.netapp.com ([216.240.18.37]:5894 "EHLO mx2.netapp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752693Ab2HHSdl (ORCPT ); Wed, 8 Aug 2012 14:33:41 -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 18:33:39 +0000 Message-ID: <1344450818.8925.17.camel@lade.trondhjem.org> References: <1344447279.8925.5.camel@lade.trondhjem.org> <1344449028.8925.12.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: T24gV2VkLCAyMDEyLTA4LTA4IGF0IDE0OjE1IC0wNDAwLCBGcmVkIElzYW1hbiB3cm90ZToNCj4g T24gV2VkLCBBdWcgOCwgMjAxMiBhdCAyOjAzIFBNLCBNeWtsZWJ1c3QsIFRyb25kDQo+IDxUcm9u ZC5NeWtsZWJ1c3RAbmV0YXBwLmNvbT4gd3JvdGU6DQo+ID4gT24gV2VkLCAyMDEyLTA4LTA4IGF0 IDEzOjUxIC0wNDAwLCBGcmVkIElzYW1hbiB3cm90ZToNCj4gPj4gT24gV2VkLCBBdWcgOCwgMjAx MiBhdCAxOjM0IFBNLCBNeWtsZWJ1c3QsIFRyb25kDQo+ID4+IDxUcm9uZC5NeWtsZWJ1c3RAbmV0 YXBwLmNvbT4gd3JvdGU6DQo+ID4+ID4gT24gV2VkLCAyMDEyLTA4LTA4IGF0IDE4OjQ4ICswMjAw LCBUaWdyYW4gTWtydGNoeWFuIHdyb3RlOg0KPiA+PiA+PiBIaSwNCj4gPj4gPj4NCj4gPj4gPj4g SXQncyBxdWl0ZSBzb21lIHRpbWUgd2l0aG91dCBrZXJuZWwgcGFuaWMgcmVwb3J0cyBmcm9tIG1l IC4uLi4NCj4gPj4gPj4NCj4gPj4gPj4gT2JzZXJ2ZXIgb24gTURTIGFuZCBEUyBzaHV0ZG93biBk dXJpbmcgSU8uDQo+ID4+ID4+DQo+ID4+ID4+IFRoaXMgaXMgd2l0aCAgMy41LjAtMi5mYzE3Lng4 Nl82NCBrZXJuZWwuIExpbmUgaW4gY29kZToNCj4gPj4gPj4NCj4gPj4gPj4gbmZzNHByb2MuYzo2 MjUyIDogICBCVUdfT04oIWxpc3RfZW1wdHkoJmxvLT5wbGhfc2VncykpOw0KPiA+PiA+Pg0KPiA+ PiA+DQo+ID4+ID4gSWYgdGhlIHNlcnZlciBkb2Vzbid0IHJldHVybiBhIHN0YXRlaWQsIHRoZW4g dGhhdCBpcyBzdXBwb3NlZCB0bw0KPiA+PiA+IGluZGljYXRlIHRoYXQgaXQgdGhpbmtzIHRoYXQg aXQgZG9lc24ndCBob2xkIGFueSBtb3JlIGxheW91dCBzZWdtZW50cw0KPiA+PiA+IGZvciB0aGlz IGZpbGUuDQo+ID4+ID4gVG8gbWUsIHRoYXQgaW5kaWNhdGVzIHRoYXQgd2Ugc2hvdWxkIGJlIGNh bGxpbmcNCj4gPj4gPiBtYXJrX21hdGNoaW5nX2xzZWdzX2ludmFsaWQoKSByYXRoZXIgdGhhbiBP b3BzaW5nLg0KPiA+PiA+DQo+ID4+ID4gQW55IGRpc3NlbnRpbmcgdm9pY2VzIGZyb20gdGhlIHBO RlMgY3Jvd2Q/DQo+ID4+ID4NCj4gPj4NCj4gPj4gQnV0IHRoaXMgaW1wbGllcyB0aGF0IHRoZSBj bGllbnQgdGhpbmtzIGl0IGhhcyBhIGxheW91dCB3aGljaCB0aGUNCj4gPj4gc2VydmVyIGRvZXMg bm90IGJlbGlldmUgaXQgaGFzLCB3aGljaCBzZWVtcyB0byBtZSB0byBpbXBseSBhbiBlYXJsaWVy DQo+ID4+IGJ1Zy4gIElmIHlvdSBjaGFuZ2UgdG8gbWFya19tYXRjaGluZ19sc2Vnc19pbnZhbGlk LCBJIHdvdWxkIHN1Z2dlc3QNCj4gPj4ga2VlcGluZyBhIFdBUk5fT04uDQo+ID4NCj4gPiBXZSBj b3VsZCBwb3NzaWJseSBhZGQgYSBwcmludGssIGJ1dCBJIGRvbid0IHNlZSB3aGF0IHZhbHVlIGEg V0FSTl9PTg0KPiA+IHdvdWxkIGhhdmUgaGVyZTogaG93IGlzIGEgc3RhY2sgZHVtcCBnb2luZyB0 byBiZSB1c2VmdWwgaW4gZGVidWdnaW5nDQo+ID4gdGhpcyBpc3N1ZT8NCj4gPg0KPiA+IEFsc28s IGRvbid0IHdlIHNvbWV0aW1lcyBleHBlY3QgdGhpcyBzb3J0IG9mIHRoaW5nIHRvIGhhcHBlbiBv bg0KPiA+IG9jY2FzaW9uPyBXaGF0IGlmIG91ciBsYXlvdXRyZXR1cm4gZW5kcyB1cCByYWNpbmcg d2l0aCB0aGUgbGF5b3V0IHJlY2FsbA0KPiA+IGZvbGxvd2luZyBhIERTIHNodXRkb3duPw0KPiA+ DQo+IA0KPiBBY3R1YWxseSwgSSBmb3Jnb3QgYWJvdXQgdGhlIHdob2xlIExBWVVUUkVUVVJOIGFz IGZlbmNpbmcgcG9zc2liaWxpdHkuDQo+ICBJbiB0aGF0IGNhc2UsIHlvdSBjYW4gcHJldHR5IGVh c2lseSBoaXQgdGhlIEJVR19PTi4gIFRob3VnaCBJIGNsYWltDQo+IHRoYXQsIHdoaWxlIGNhbGxp bmcgbWFya19tYXRjaGluZ19sc2Vnc19pbnZhbGlkIGRvZXNuJ3QgaHVydCwgaXQNCj4gc2hvdWxk IGJlIHVubmVjZXNzYXJ5Lg0KDQpSaWdodC4uLiBTbyBtYXliZSBqdXN0IGEgZHByaW50aygpIGZv ciBkZWJ1Z2dpbmcgcHVycG9zZXM/DQoNCkJUVzogV2h5IHNob3VsZG4ndCB3ZSBkbyB0aGUgbWFy a19tYXRjaGluZ19sc2Vnc19pbnZhbGlkPyBJZiBub3QsIHRoZW4NCndlIHdpbGwgbmVlZCBlaXRo ZXIgdG8gZG8gYW4gZXh0cmEgbGF5b3V0cmV0dXJuIG9yIGZhaWwgYSByZWFkL3dyaXRlDQphdHRl bXB0IHRvIHRoZSBEUyBpbiBvcmRlciB0byBmaWd1cmUgb3V0IHRoYXQgdGhlIHN0YXRlaWQgaXMg bm93DQppbnZhbGlkLg0KDQotLSANClRyb25kIE15a2xlYnVzdA0KTGludXggTkZTIGNsaWVudCBt YWludGFpbmVyDQoNCk5ldEFwcA0KVHJvbmQuTXlrbGVidXN0QG5ldGFwcC5jb20NCnd3dy5uZXRh cHAuY29tDQoNCg==