Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp1703644pxu; Tue, 24 Nov 2020 07:02:59 -0800 (PST) X-Google-Smtp-Source: ABdhPJy84px8AG5sXMa/lmr3txM1H1+dt5+/ziHVT6swWNW9vUI44gU9YKZq6bKy0hDtgamYODc4 X-Received: by 2002:a50:b224:: with SMTP id o33mr4143598edd.21.1606230179190; Tue, 24 Nov 2020 07:02:59 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1606230179; cv=none; d=google.com; s=arc-20160816; b=KjbmaWkzEzO246WXgBWJ1d6vlw0QA3alsj4hWfdYUyM/nH6+vaQzXdIJPWyw5yOIUf comuEnSxPVt6IM5QWVCpVLmYp6jxLpA9IFHYv2lUoftyI4dqoHXZ51/ekPPAGCsJI5nq 2llRab8v9n6xhRuOcHwfFWZXrrtEg1fSuZxWy2exSgV0vjZD4qekmGYfpVjc78wX1E9W pKuFfZ0o7gHfwn0RSZdzl2y1Wp1AjldI2PK1LAcK7/AMbRIs9UMWhQn5/RgG9Ch35EiQ 5km6+JAFzyy+l3X28974YSUF1NTW5xAfaJaelp+BOt3DC770iAOYHnOsSjUVqqK5t6nU gPuw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :mime-version:accept-language:in-reply-to:references:message-id:date :thread-index:thread-topic:subject:cc:to:from; bh=FcLSOzQKm9ypl3Tjhl9B6wW7xm3V6YErgmmqSB/ewF4=; b=eYeOL5FOsOVdG1/QRzQEGIj3xHx1hFg5bRFcT1CDEwy5VHfUvQcPsVjrgddigYkC1U LZFcJmtn8m3L7R1dyGpMk8h2i9tyoKxs834usUGQC3CPxAhsh5/VrQjiIFrgn9f0aYcs EkZ7bcNM6Sen9gUlMIsJ2EjmKMnKPa8z3clkIbRiLib+0fi+l6NgDdv+5e3jygOGG3P+ WXiitkARulL7jEn1sceKvBrfmc1x/nbjSSs7R+OXsqY30URRHVRTYxg77+jqv/PrKdwx coH4z5Qt2BJdZQ6HKDdHDW95yfnljq3y2YIO1G1C0YOwTrz3TJWckT2LsRzabjGtEaMr TJvA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id bi24si8794576edb.452.2020.11.24.07.02.34; Tue, 24 Nov 2020 07:02:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=aculab.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389373AbgKXO6D (ORCPT + 99 others); Tue, 24 Nov 2020 09:58:03 -0500 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.86.151]:49919 "EHLO eu-smtp-delivery-151.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388513AbgKXO6C (ORCPT ); Tue, 24 Nov 2020 09:58:02 -0500 Received: from AcuMS.aculab.com (156.67.243.126 [156.67.243.126]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-255-VP8lqU1sOG-3W9NXUVrPDQ-1; Tue, 24 Nov 2020 14:57:59 +0000 X-MC-Unique: VP8lqU1sOG-3W9NXUVrPDQ-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) by AcuMS.aculab.com (fd9f:af1c:a25b:0:43c:695e:880f:8750) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 24 Nov 2020 14:57:58 +0000 Received: from AcuMS.Aculab.com ([fe80::43c:695e:880f:8750]) by AcuMS.aculab.com ([fe80::43c:695e:880f:8750%12]) with mapi id 15.00.1347.000; Tue, 24 Nov 2020 14:57:58 +0000 From: David Laight To: 'Ard Biesheuvel' CC: linux-efi , kernel list , "matthew.garrett@nebula.com" , "jk@ozlabs.org" Subject: RE: Oops (probably) unmounting /oldroot/firmware/efi/efivars. Thread-Topic: Oops (probably) unmounting /oldroot/firmware/efi/efivars. Thread-Index: AdbCbM2Q6wdSIj4dRX6VFD+iYFiXewAAJveAAAEq0JA= Date: Tue, 24 Nov 2020 14:57:58 +0000 Message-ID: <3e96bbfe476b4b3d876e480ce6b20b58@AcuMS.aculab.com> References: <5f31cde519b941308412b3849197ee7c@AcuMS.aculab.com> In-Reply-To: Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: base64 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org RnJvbTogQXJkIEJpZXNoZXV2ZWwNCj4gU2VudDogMjQgTm92ZW1iZXIgMjAyMCAxNDoyNA0KPiAN Cj4gT24gVHVlLCAyNCBOb3YgMjAyMCBhdCAxNToyMiwgRGF2aWQgTGFpZ2h0IDxEYXZpZC5MYWln aHRAYWN1bGFiLmNvbT4gd3JvdGU6DQo+ID4NCj4gPiBJJ3ZlIGp1c3QgdXBkYXRlZCB0byB0aGUg aGVhZCBvZiBMaW51cydzIHRyZWUgKDUuMTAtcmM1KSBhbmQgZ290IHRoZSBmb2xsb3dpbmcNCj4g PiAnc3BsYXQnIGR1cmluZyBzaHV0ZG93bi4NCj4gPg0KPiA+IFVzZXJzcGFjZSBpcyBVYnVudHUg MjAuMDQuDQo+ID4NCj4gPiByYzQgcmVib290ZWQgZmluZS4NCj4gPg0KPiA+IEknbGwgdHJ5IHRv IGJpc2VjdCAtIGJ1dCBpdCBpc24ndCBxdWljay4NCj4gPg0KPiANCj4gU3VyZWx5IGNhdXNlZCBi eQ0KPiANCj4gaHR0cHM6Ly9naXQua2VybmVsLm9yZy9wdWIvc2NtL2xpbnV4L2tlcm5lbC9naXQv dG9ydmFsZHMvbGludXguZ2l0L2NvbW1pdC9mcy9lZml2YXJmcz9pZD1mZTUxODZjZjEyZTMwDQo+ IGZhY2ZlMjYxZTliZTZjNzkwNGExNzBiZDgyMg0KDQpZZXAsIHJlYm9vdHMgZmluZSB3aXRoIHRo YXQga2ZyZWUoKSBjb21tZW50ZWQgb3V0Lg0KDQoJRGF2aWQNCg0KLQ0KUmVnaXN0ZXJlZCBBZGRy ZXNzIExha2VzaWRlLCBCcmFtbGV5IFJvYWQsIE1vdW50IEZhcm0sIE1pbHRvbiBLZXluZXMsIE1L MSAxUFQsIFVLDQpSZWdpc3RyYXRpb24gTm86IDEzOTczODYgKFdhbGVzKQ0K