From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mga05.intel.com ([192.55.52.43]:9381 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750742AbdIGELl (ORCPT ); Thu, 7 Sep 2017 00:11:41 -0400 From: "Coelho, Luciano" To: "torvalds@linux-foundation.org" , "davem@davemloft.net" , "kvalo@codeaurora.org" , "Berg, Johannes" , "Grumbach, Emmanuel" CC: linuxwifi , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-wireless@vger.kernel.org" , "akpm@linux-foundation.org" Subject: Re: [GIT] Networking Date: Thu, 7 Sep 2017 04:11:36 +0000 Message-ID: <1504757495.5400.89.camel@intel.com> (sfid-20170907_061201_801740_35C84721) References: <20170905.214143.826912481689443792.davem@davemloft.net> In-Reply-To: Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: T24gV2VkLCAyMDE3LTA5LTA2IGF0IDE2OjI3IC0wNzAwLCBMaW51cyBUb3J2YWxkcyB3cm90ZToN Cj4gVGhpcyBwdWxsIHJlcXVlc3QgY29tcGxldGVseSBicmVha3MgSW50ZWwgd2lyZWxlc3MgZm9y IG1lLg0KPiANCj4gVGhpcyBpcyBteSB0cnVzdHkgb2xkIFhQUyAxMyAoOTM1MCksIHVzaW5nIElu dGVsIFdpcmVsZXNzIDgyNjAgKHJldiAzYSkuDQo+IA0KPiBUaGF0IHJlbWFpbnMgYSB2ZXJ5IHN0 YW5kYXJkIEludGVsIG1hY2hpbmUgd2l0aCBhYnNvbHV0ZWx5IHplcm8gb2RkDQo+IHRoaW5ncyBn b2luZyBvbi4NCj4gDQo+IFRoZSBmaXJtd2FyZSBpcyBpd2x3aWZpLTgwMDBDLTI4LnVjb2RlIGZy b20NCj4gaXdsNzI2MC1maXJtd2FyZS0yNS4zMC4xMy4wLTc1LmZjMjYubm9hcmNoLCBhbmQgdGhl IGtlcm5lbCByZXBvcnRzDQo+IA0KPiAgIGl3bHdpZmkgMDAwMDozYTowMC4wOiBsb2FkZWQgZmly bXdhcmUgdmVyc2lvbiAyNy40NTU0NzAuMCBvcF9tb2RlIGl3bG12bQ0KPiANCj4gdGhlIHRoaW5n IHN0YXJ0cyBhY3RpbmcgYmFkbHkgd2l0aCB0aGlzOg0KPiANCj4gICBpd2x3aWZpIDAwMDA6M2E6 MDAuMDogRlcgRXJyb3Igbm90aWZpY2F0aW9uOiB0eXBlIDB4MDAwMDAwMDAgY21kX2lkIDB4MDQN Cj4gICBpd2x3aWZpIDAwMDA6M2E6MDAuMDogRlcgRXJyb3Igbm90aWZpY2F0aW9uOiBzZXEgMHgw MDAwIHNlcnZpY2UgMHgwMDAwMDAwNA0KPiAgIGl3bHdpZmkgMDAwMDozYTowMC4wOiBGVyBFcnJv ciBub3RpZmljYXRpb246IHRpbWVzdGFtcCAweCAgICAgICAgICAgIDVEODQNCj4gICBpd2x3aWZp IDAwMDA6M2E6MDAuMDogTWljcm9jb2RlIFNXIGVycm9yIGRldGVjdGVkLiAgUmVzdGFydGluZyAw eDIwMDAwMDAuDQo+ICAgaXdsd2lmaSAwMDAwOjNhOjAwLjA6IFN0YXJ0IElXTCBFcnJvciBMb2cg RHVtcDoNCj4gICBpd2x3aWZpIDAwMDA6M2E6MDAuMDogU3RhdHVzOiAweDAwMDAwMTAwLCBjb3Vu dDogNg0KPiAgIGl3bHdpZmkgMDAwMDozYTowMC4wOiBMb2FkZWQgZmlybXdhcmUgdmVyc2lvbjog MjcuNDU1NDcwLjANCj4gICBpd2x3aWZpIDAwMDA6M2E6MDAuMDogMHgwMDAwMDAzOCB8IEJBRF9D T01NQU5EDQo+ICAgaXdsd2lmaSAwMDAwOjNhOjAwLjA6IDB4MDBBMDAyRjAgfCB0cm1faHdfc3Rh dHVzMA0KPiAgIC4uLg0KPiAgIGl3bHdpZmkgMDAwMDozYTowMC4wOiAweDAwMDAwMDAwIHwgaXNy IHN0YXR1cyByZWcNCj4gICBpZWVlODAyMTEgcGh5MDogSGFyZHdhcmUgcmVzdGFydCB3YXMgcmVx dWVzdGVkDQo+ICAgaXdsd2lmaSAwMDAwOjNhOjAwLjA6IEZXIGVycm9yIGluIFNZTkMgQ01EIE1B Q19DT05URVhUX0NNRA0KDQpUaGlzIHNlZW1zIHRvIGJlIGEgcHJvYmxlbSB3aXRoIGJhY2t3YXJk cy1jb21wYXRpYmlsaXR5IHdpdGggRlcgdmVyc2lvbg0KMjcuICBXZSBhcmUgbm93IGluIHZlcnNp b24gMzFbMV0gYW5kIHVwZ3JhZGluZyB3aWxsIHByb2JhYmx5IGZpeCB0aGF0Lg0KDQpCdXQgb2J2 aW91c2x5IHRoZSBkcml2ZXIgc2hvdWxkIG5vdCBmYWlsIG1pc2VyYWJseSBsaWtlIHRoaXMgd2l0 aA0KdmVyc2lvbiAyNywgYmVjYXVzZSBpdCBjbGFpbXMgdG8gc3VwcG9ydCBpdCBzdGlsbC4NCg0K SSdtIGxvb2tpbmcgaW50byB0aGlzIG5vdyBhbmQgd2lsbCBwcm92aWRlIGEgZml4IGFzYXAuDQoN ClsxXSBodHRwczovL2dpdC5rZXJuZWwub3JnL3B1Yi9zY20vbGludXgva2VybmVsL2dpdC9maXJt d2FyZS9saW51eC1maXJtd2FyZS5naXQvdHJlZS9pd2x3aWZpLTgwMDBDLTMxLnVjb2RlDQoNCg0K LS0NCkNoZWVycywNCkx1Y2Eu From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753094AbdIGELn (ORCPT ); Thu, 7 Sep 2017 00:11:43 -0400 Received: from mga05.intel.com ([192.55.52.43]:9381 "EHLO mga05.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750742AbdIGELl (ORCPT ); Thu, 7 Sep 2017 00:11:41 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.42,356,1500966000"; d="scan'208";a="308894093" From: "Coelho, Luciano" To: "torvalds@linux-foundation.org" , "davem@davemloft.net" , "kvalo@codeaurora.org" , "Berg, Johannes" , "Grumbach, Emmanuel" CC: linuxwifi , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-wireless@vger.kernel.org" , "akpm@linux-foundation.org" Subject: Re: [GIT] Networking Thread-Topic: [GIT] Networking Thread-Index: AQHTJ2e1r+p5kKpHi0+CCZ9Rdj3td6KovzaA Date: Thu, 7 Sep 2017 04:11:36 +0000 Message-ID: <1504757495.5400.89.camel@intel.com> References: <20170905.214143.826912481689443792.davem@davemloft.net> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.252.30.157] Content-Type: text/plain; charset="utf-8" Content-ID: MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by nfs id v874BlYY026283 On Wed, 2017-09-06 at 16:27 -0700, Linus Torvalds wrote: > This pull request completely breaks Intel wireless for me. > > This is my trusty old XPS 13 (9350), using Intel Wireless 8260 (rev 3a). > > That remains a very standard Intel machine with absolutely zero odd > things going on. > > The firmware is iwlwifi-8000C-28.ucode from > iwl7260-firmware-25.30.13.0-75.fc26.noarch, and the kernel reports > > iwlwifi 0000:3a:00.0: loaded firmware version 27.455470.0 op_mode iwlmvm > > the thing starts acting badly with this: > > iwlwifi 0000:3a:00.0: FW Error notification: type 0x00000000 cmd_id 0x04 > iwlwifi 0000:3a:00.0: FW Error notification: seq 0x0000 service 0x00000004 > iwlwifi 0000:3a:00.0: FW Error notification: timestamp 0x 5D84 > iwlwifi 0000:3a:00.0: Microcode SW error detected. Restarting 0x2000000. > iwlwifi 0000:3a:00.0: Start IWL Error Log Dump: > iwlwifi 0000:3a:00.0: Status: 0x00000100, count: 6 > iwlwifi 0000:3a:00.0: Loaded firmware version: 27.455470.0 > iwlwifi 0000:3a:00.0: 0x00000038 | BAD_COMMAND > iwlwifi 0000:3a:00.0: 0x00A002F0 | trm_hw_status0 > ... > iwlwifi 0000:3a:00.0: 0x00000000 | isr status reg > ieee80211 phy0: Hardware restart was requested > iwlwifi 0000:3a:00.0: FW error in SYNC CMD MAC_CONTEXT_CMD This seems to be a problem with backwards-compatibility with FW version 27. We are now in version 31[1] and upgrading will probably fix that. But obviously the driver should not fail miserably like this with version 27, because it claims to support it still. I'm looking into this now and will provide a fix asap. [1] https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/iwlwifi-8000C-31.ucode -- Cheers, Luca.