From mboxrd@z Thu Jan 1 00:00:00 1970 From: James Bottomley Subject: Re: An oops will occur while SCSI core is being used in 3.4-rc1 Date: Wed, 18 Apr 2012 07:53:17 +0000 Message-ID: <1334735594.4410.15.camel@dabdike> References: <4F83EC71.90904@acm.org> <4F8461E3.3050808@cs.wisc.edu> <4F846398.5030609@cs.wisc.edu> <4F846506.4060801@cs.wisc.edu> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mx2.parallels.com ([64.131.90.16]:54876 "EHLO mx2.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751393Ab2DRHxY (ORCPT ); Wed, 18 Apr 2012 03:53:24 -0400 In-Reply-To: Content-Language: en-US Content-ID: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Martin K. Petersen" Cc: Mike Christie , Bart Van Assche , Elric Fu , "linux-scsi@vger.kernel.org" , Sarah Sharp , Felipe Balbi , Alex He , Andiry Xu , Greg KH , Linux USB Mailing List , Alan Stern T24gV2VkLCAyMDEyLTA0LTExIGF0IDEyOjEwIC0wNDAwLCBNYXJ0aW4gSy4gUGV0ZXJzZW4gd3Jv dGU6DQo+ID4+Pj4+ICJNaWtlIiA9PSBNaWtlIENocmlzdGllIDxtaWNoYWVsY0Bjcy53aXNjLmVk dT4gd3JpdGVzOg0KPiANCj4gPj4+PiBJIGhhdmUgb2JzZXJ2ZWQgY3Jhc2hlcyBhdCB0aGUgc2Ft ZSBwb2ludCB3aGlsZSB0ZXN0aW5nIGRldmljZQ0KPiA+Pj4+IHJlbW92YWwgd2l0aCB0aGUgaWJf c3JwIGRyaXZlci4gQXMgZmFyIGFzIEkgY2FuIHNlZSB0aGF0IGNvZGUgd2FzDQo+ID4+Pj4gYWRk ZWQgdGhyb3VnaCBjb21taXQgMThhNGQwYTIyZWQ2YzU0YjY3YWY3NzE4YzMwNWNkMDEwZjA5ZGRm OA0KPiA+Pj4+IChGZWJydWFyeSA5LCAyMDEyKS4gVGhlIGFwcHJvYWNoIG9mIHRoYXQgcGF0Y2gg bG9va3MgcXVlc3Rpb25hYmxlDQo+ID4+Pj4gdG8gbWU6IHdoYXQgZ3VhcmFudGVlcyB0aGF0IHRo ZSBzdHJ1Y3Qgc2NzaV9kcml2ZXIgd2lsbCBiZQ0KPiA+Pj4+IGF2YWlsYWJsZSBhdCB0aGUgdGlt ZSB0aGUgU0NTSSBlcnJvciBoYW5kbGVyIG5lZWRzIGl0ID8NCj4gDQo+IFNvcnJ5IGFib3V0IHRo YXQhDQo+IA0KPiANCj4gTWlrZT4gVGhhdCBpcyB3cm9uZy4gSSBndWVzcyBSRVFfRElTQ0FSRCBh bmQgUkVRX0ZMVVNIIHdpbGwsIHNvIEkgZ3Vlc3MNCj4gTWlrZT4gd2UganVzdCBoYXZlIHRvIGNo ZWNrIGZvciBhIE5VTEwgc2RydiBhYm92ZS4NCj4gDQo+IEhvdyBhYm91dCB3ZSBkbyB0aGlzPw0K PiANCj4gDQo+IFNDU0k6IEZpeCBlcnJvciBoYW5kbGluZyB3aGVuIG5vIFVMRCBpcyBhdHRhY2hl ZA0KPiANCj4gQ29tbWl0IDE4YTRkMGEyIGludHJvZHVjZWQgYSBidWcgaW4gd2hpY2ggd2Ugd291 bGQgYXR0ZW1wdCB0bw0KPiBkZXJlZmVyZW5jZSB0aGUgc2NzaSBkcml2ZXIgZXZlbiB3aGVuIHRo ZSBkZXZpY2UgaGFkIG5vIFVMRCBhdHRhY2hlZC4NCj4gDQo+IEVuc3VyZSB0aGF0IGEgZHJpdmVy IGlzIHJlZ2lzdGVyZWQgYW5kIG1ha2UgdGhlIGRyaXZlciBhY2Nlc3NvciBmdW5jdGlvbg0KPiBt b3JlIHJlc2lsaWVudCB0byBlcnJvcnMgZHVyaW5nIGRldmljZSBkaXNjb3ZlcnkuDQo+IA0KPiBS ZXBvcnRlZC1ieTogRWxyaWMgRnUgPGVscmljZnUxQGdtYWlsLmNvbT4NCj4gUmVwb3J0ZWQtYnk6 IEJhcnQgVmFuIEFzc2NoZSA8YnZhbmFzc2NoZUBhY20ub3JnPg0KPiBTaWduZWQtb2ZmLWJ5OiBN YXJ0aW4gSy4gUGV0ZXJzZW4gPG1hcnRpbi5wZXRlcnNlbkBvcmFjbGUuY29tPg0KPiANCj4gZGlm ZiAtLWdpdCBhL2RyaXZlcnMvc2NzaS9zY3NpX2Vycm9yLmMgYi9kcml2ZXJzL3Njc2kvc2NzaV9l cnJvci5jDQo+IGluZGV4IDJjZmNiZmYuLjM4NmYwYzUgMTAwNjQ0DQo+IC0tLSBhL2RyaXZlcnMv c2NzaS9zY3NpX2Vycm9yLmMNCj4gKysrIGIvZHJpdmVycy9zY3NpL3Njc2lfZXJyb3IuYw0KPiBA QCAtODM1LDcgKzgzNSw3IEBAIHN0YXRpYyBpbnQgc2NzaV9zZW5kX2VoX2NtbmQoc3RydWN0IHNj c2lfY21uZCAqc2NtZCwgdW5zaWduZWQgY2hhciAqY21uZCwNCj4gIA0KPiAgCXNjc2lfZWhfcmVz dG9yZV9jbW5kKHNjbWQsICZzZXMpOw0KPiAgDQo+IC0JaWYgKHNkcnYtPmVoX2FjdGlvbikNCj4g KwlpZiAoc2RydiAmJiBzZHJ2LT5laF9hY3Rpb24pDQo+ICAJCXJ0biA9IHNkcnYtPmVoX2FjdGlv bihzY21kLCBjbW5kLCBjbW5kX3NpemUsIHJ0bik7DQo+ICANCj4gIAlyZXR1cm4gcnRuOw0KPiBk aWZmIC0tZ2l0IGEvaW5jbHVkZS9zY3NpL3Njc2lfY21uZC5oIGIvaW5jbHVkZS9zY3NpL3Njc2lf Y21uZC5oDQo+IGluZGV4IDM3N2RmNGEuLjFlMTE5ODUgMTAwNjQ0DQo+IC0tLSBhL2luY2x1ZGUv c2NzaS9zY3NpX2NtbmQuaA0KPiArKysgYi9pbmNsdWRlL3Njc2kvc2NzaV9jbW5kLmgNCj4gQEAg LTEzNCw2ICsxMzQsOSBAQCBzdHJ1Y3Qgc2NzaV9jbW5kIHsNCj4gIA0KPiAgc3RhdGljIGlubGlu ZSBzdHJ1Y3Qgc2NzaV9kcml2ZXIgKnNjc2lfY21kX3RvX2RyaXZlcihzdHJ1Y3Qgc2NzaV9jbW5k ICpjbWQpDQo+ICB7DQo+ICsJaWYgKCFjbWQtPnJlcXVlc3QtPnJxX2Rpc2spDQo+ICsJCXJldHVy biBOVUxMOw0KPiArDQo+ICAJcmV0dXJuICooc3RydWN0IHNjc2lfZHJpdmVyICoqKWNtZC0+cmVx dWVzdC0+cnFfZGlzay0+cHJpdmF0ZV9kYXRhOw0KPiAgfQ0KDQpJJ20gbm90IGVudGlyZWx5IGNv bnZpbmNlZCBieSB0aGlzLiAgSWYgbWVkaXVtIGFjY2VzcyB0aW1lb3V0IHByb2Nlc3NpbmcNCmlz IHNvIGltcG9ydGFudCwgc2hvdWxkbid0IGl0IGJlIGRvbmUgYWxsIHRoZSB0aW1lIHJhdGhlciB0 aGFuIG9ubHkgd2hlbg0KdGhlIFVMRCBpcyBib3VuZD8gIEluIHdoaWNoIGNhc2UgaXQgc2hvdWxk IGJlIHBhcnQgb2YgdGhlIGVycm9yIGhhbmRsZXINCmNvcmU/DQoNCkphbWVzDQoNCg0K