From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jani Nikula Subject: Re: Warning for driver i915 for 4.17.0-rcX Date: Wed, 02 May 2018 09:12:21 +0300 Message-ID: <87o9hyd1ru.fsf@intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id B42436E1DF for ; Wed, 2 May 2018 06:12:25 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Larry Finger , Ville =?utf-8?B?U3lyasOkbMOk?= , Joonas Lahtinen , Rodrigo Vivi Cc: intel-gfx , LKML List-Id: intel-gfx@lists.freedesktop.org T24gTW9uLCAzMCBBcHIgMjAxOCwgTGFycnkgRmluZ2VyIDxMYXJyeS5GaW5nZXJAbHdmaW5nZXIu bmV0PiB3cm90ZToKPiBXaXRoIGtlcm5lbCA0LjE3LjAtcmMzLCBJIG5vdGVkIHRoZSBmb2xsb3dp bmcgd2FybmluZyBmcm9tIGRyaXZlciBpOTE1Lgo+Cj4ga2VybmVsOiAtLS0tLS0tLS0tLS1bIGN1 dCBoZXJlIF0tLS0tLS0tLS0tLS0KPiBrZXJuZWw6IENvdWxkIG5vdCBkZXRlcm1pbmUgdmFsaWQg d2F0ZXJtYXJrcyBmb3IgaW5oZXJpdGVkIHN0YXRlCj4ga2VybmVsOiBXQVJOSU5HOiBDUFU6IDMg UElEOiAyMjQgYXQgZHJpdmVycy9ncHUvZHJtL2k5MTUvaW50ZWxfZGlzcGxheS5jOjE0NTg0IAo+ IGludGVsX21vZGVzZXRfaW5pdCsweDNiZS8weDEwNjAgW2k5MTVdCgpQbGVhc2UgdHJ5IFsxXSwg c2VlIGFsc28gdGhlIHJlbGF0ZWQgYnVnIFsyXS4KCkJSLApKYW5pLgoKWzFdIGh0dHA6Ly9wYXRj aHdvcmsuZnJlZWRlc2t0b3Aub3JnL3BhdGNoL21zZ2lkLzIwMTgwNDI2MTYzMDE1LjE0MjMyLTEt dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20KWzJdIGh0dHBzOi8vYnVncy5mcmVlZGVza3Rv cC5vcmcvc2hvd19idWcuY2dpP2lkPTEwNTk5MgoKCj4ga2VybmVsOiBNb2R1bGVzIGxpbmtlZCBp bjogaTkxNSgrKSB4aGNpX3BjaSBpMmNfYWxnb19iaXQgZWhjaV9wY2kgeGhjaV9oY2QgCj4gc2Vy aW9fcmF3IGRybV9rbXNfaGVscGVyIGVoY2lfaGNkIHN5c2NvcHlhcmVhIHN5c2ZpbGxyZWN0IHN5 c2ltZ2JsdAo+IGtlcm5lbDogQ1BVOiAzIFBJRDogMjI0IENvbW06IHN5c3RlbWQtdWRldmQgTm90 IHRhaW50ZWQgCj4gNC4xNy4wLXJjMC0wODAwMC1nMmYzOWNmY2EwMTYxLWRpcnR5ICMxODgKPiBr ZXJuZWw6IEhhcmR3YXJlIG5hbWU6IFRPU0hJQkEgVEVDUkEgQTUwLUEvVEVDUkEgQTUwLUEsIEJJ T1MgVmVyc2lvbiA0LjUwIAo+IDA5LzI5LzIwMTQKPiBrZXJuZWw6IFJJUDogMDAxMDppbnRlbF9t b2Rlc2V0X2luaXQrMHgzYmUvMHgxMDYwIFtpOTE1XQo+IGtlcm5lbDogUlNQOiAwMDE4OmZmZmZj OTAwMDExMmZhYjggRUZMQUdTOiAwMDAxMDI5Ngo+IGtlcm5lbDogUkFYOiAwMDAwMDAwMDAwMDAw MDM4IFJCWDogZmZmZjg4MDIxZGMxMDAwMCBSQ1g6IDAwMDAwMDAwMDAwMDAwMDYKPiBrZXJuZWw6 IFJEWDogMDAwMDAwMDAwMDAwMDAwNyBSU0k6IDAwMDAwMDAwMDAwMDAwODIgUkRJOiBmZmZmODgw MjJmMmQ1YmQwCj4ga2VybmVsOiBSQlA6IGZmZmY4ODAyMWM4YjMwMDAgUjA4OiAwMDAwMDAwMDAw MDAwMjg5IFIwOTogMDAwMDAwMDAwMDAwMDAwNAo+IGtlcm5lbDogUjEwOiBmZmZmYzkwMDAxMTJm OTQ4IFIxMTogMDAwMDAwMDAwMDAwMDAwMSBSMTI6IGZmZmY4ODAyMWVmM2Q4MDAKPiBrZXJuZWw6 IFIxMzogMDAwMDAwMDBmZmZmZmZlYSBSMTQ6IDAwMDAwMDAwMDAwMDAwMDAgUjE1OiBmZmZmODgw MjFkYzEwMzU4Cj4ga2VybmVsOiBGUzogIDAwMDA3ZjgzMDkxM2M5NDAoMDAwMCkgR1M6ZmZmZjg4 MDIyZjJjMDAwMCgwMDAwKSBrbmxHUzowMDAwMDAwMDAwMDAwMDAwCj4ga2VybmVsOiBDUzogIDAw MTAgRFM6IDAwMDAgRVM6IDAwMDAgQ1IwOiAwMDAwMDAwMDgwMDUwMDMzCj4ga2VybmVsOiBDUjI6 IDAwMDA3ZmZjOTE3MjJmNTggQ1IzOiAwMDAwMDAwMjFlOTQwMDAzIENSNDogMDAwMDAwMDAwMDE2 MDZlMAo+IGtlcm5lbDogQ2FsbCBUcmFjZToKPiBrZXJuZWw6ICBpOTE1X2RyaXZlcl9sb2FkKzB4 YTg3LzB4ZWQwIFtpOTE1XQo+IGtlcm5lbDogIGxvY2FsX3BjaV9wcm9iZSsweDQyLzB4YTAKPiBr ZXJuZWw6ICBwY2lfZGV2aWNlX3Byb2JlKzB4MTI1LzB4MTkwCj4ga2VybmVsOiAgZHJpdmVyX3By b2JlX2RldmljZSsweDMwYi8weDQ4MAo+IGtlcm5lbDogIF9fZHJpdmVyX2F0dGFjaCsweGI4LzB4 ZTAKPiBrZXJuZWw6ICA/IGRyaXZlcl9wcm9iZV9kZXZpY2UrMHg0MC8weDQ4MAo+IGtlcm5lbDog ID8gZHJpdmVyX3Byb2JlX2RldmljZSsweDQ4MC8weDQ4MAo+IGtlcm5lbDogIGJ1c19mb3JfZWFj aF9kZXYrMHg2NS8weDkwCj4ga2VybmVsOiAgYnVzX2FkZF9kcml2ZXIrMHgxNjEvMHgyNjAKPiBr ZXJuZWw6ICA/IDB4ZmZmZmZmZmZhMDE0OTAwMAo+IGtlcm5lbDogIGRyaXZlcl9yZWdpc3Rlcisw eDU3LzB4YzAKPiBrZXJuZWw6ICA/IDB4ZmZmZmZmZmZhMDE0OTAwMAo+IGtlcm5lbDogIGRvX29u ZV9pbml0Y2FsbCsweDRlLzB4MThkCj4ga2VybmVsOiAgPyBrbWVtX2NhY2hlX2FsbG9jX3RyYWNl KzB4ZmUvMHgyMTAKPiBrZXJuZWw6ICA/IGRvX2luaXRfbW9kdWxlKzB4MjIvMHgyMGEKPiBrZXJu ZWw6ICBkb19pbml0X21vZHVsZSsweDViLzB4MjBhCj4ga2VybmVsOiAgbG9hZF9tb2R1bGUrMHgx OGExLzB4MWUyMAo+IGtlcm5lbDogID8gU1lTQ19maW5pdF9tb2R1bGUrMHhiNy8weGQwCj4ga2Vy bmVsOiAgU1lTQ19maW5pdF9tb2R1bGUrMHhiNy8weGQwCj4ga2VybmVsOiAgZG9fc3lzY2FsbF82 NCsweDZlLzB4MTIwCj4ga2VybmVsOiAgZW50cnlfU1lTQ0FMTF82NF9hZnRlcl9od2ZyYW1lKzB4 M2QvMHhhMgo+IGtlcm5lbDogUklQOiAwMDMzOjB4N2Y4MzA3ZjY3NTI5Cj4ga2VybmVsOiBSU1A6 IDAwMmI6MDAwMDdmZmM5MTczN2FiOCBFRkxBR1M6IDAwMDAwMjQ2IE9SSUdfUkFYOiAwMDAwMDAw MDAwMDAwMTM5Cj4ga2VybmVsOiBSQVg6IGZmZmZmZmZmZmZmZmZmZGEgUkJYOiAwMDAwNTU5YjNj ZjZmMzUwIFJDWDogMDAwMDdmODMwN2Y2NzUyOQo+IGtlcm5lbDogUkRYOiAwMDAwMDAwMDAwMDAw MDAwIFJTSTogMDAwMDdmODMwODhjZDgzZCBSREk6IDAwMDAwMDAwMDAwMDAwMTQKPiBrZXJuZWw6 IFJCUDogMDAwMDdmODMwODhjZDgzZCBSMDg6IDAwMDAwMDAwMDAwMDAwMDAgUjA5OiAwMDAwNTU5 YjNjZjQ0ZjUwCj4ga2VybmVsOiBSMTA6IDAwMDAwMDAwMDAwMDAwMTQgUjExOiAwMDAwMDAwMDAw MDAwMjQ2IFIxMjogMDAwMDAwMDAwMDAyMDAwMAo+IGtlcm5lbDogUjEzOiAwMDAwNTU5YjNjZjYz NGEwIFIxNDogMDAwMDAwMDAwMDAwMDAwMCBSMTU6IDAwMDAwMDAwMDM5Mzg3MDAKPiBrZXJuZWw6 IENvZGU6IDAwIGY3IGM2IDAwIDAwIDE4IDAwIDBmIDg0IGQ3IDBhIDAwIDAwIDg1IGM5IDBmIDk0 IGMxIDQxIDg4IDhjIDI0IAo+IDhkIDAyIDAwIDAwIGU5IGY2IDA4IDAwIDAwIDQ4IGM3IGM3IGIw IDJmIDQxIGEwIGU4IGYyIDliIGNkIGUwCj4ga2VybmVsOiAtLS1bIGVuZCB0cmFjZSBjMGZlZWE2 NDAyZjRjOTk5IF0tLS0KPgo+IFRoaXMgd2FybmluZyB3YXMgYmlzZWN0ZWQgdG8KPgo+IGNvbW1p dCBhMjkzNmUzZDlhOWNiMmNlMTkyNDU1Y2RlYzNhOGNmY2NjMjZiNDg2IChyZWZzL2Jpc2VjdC9i YWQpCj4gQXV0aG9yOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwu Y29tPgo+IERhdGU6ICAgVGh1IE5vdiAyMyAyMTowNDo0OSAyMDE3ICswMjAwCj4KPiAgICAgIGRy bS9pOTE1OiBVc2UgZHJtX21vZGVfZ2V0X2h2X3RpbWluZygpIHRvIHBvcHVsYXRlIHBsYW5lIGNs aXAgcmVjdGFuZ2xlCj4KPiAgICAgIENjOiBMYXVyZW50IFBpbmNoYXJ0IDxsYXVyZW50LnBpbmNo YXJ0QGlkZWFzb25ib2FyZC5jb20+Cj4gICAgICBTaWduZWQtb2ZmLWJ5OiBWaWxsZSBTeXJqw6Rs w6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgo+ICAgICAgUmV2aWV3ZWQtYnk6IERh bmllbCBWZXR0ZXIgPGRhbmllbC52ZXR0ZXJAZmZ3bGwuY2g+Cj4gICAgICBSZXZpZXdlZC1ieTog VGhpZXJyeSBSZWRpbmcgPHRyZWRpbmdAbnZpZGlhLmNvbT4KPgo+IFRoZSBvdXRwdXQgb2YgJ2xz cGNpIC1ubiAtdnZ2JyBmb3IgdGhlIGdyYWNwaWNzIGRldmljZSBpcyBhcyBmb2xsb3dzOgo+Cj4g MDA6MDIuMCBWR0EgY29tcGF0aWJsZSBjb250cm9sbGVyIFswMzAwXTogSW50ZWwgQ29ycG9yYXRp b24gNHRoIEdlbiBDb3JlIAo+IFByb2Nlc3NvciBJbnRlZ3JhdGVkIEdyYXBoaWNzIENvbnRyb2xs ZXIgWzgwODY6MDQxNl0gKHJldiAwNikgKHByb2ctaWYgMDAgW1ZHQSAKPiBjb250cm9sbGVyXSkK PiAgICAgICAgICBTdWJzeXN0ZW06IFRvc2hpYmEgQW1lcmljYSBJbmZvIFN5c3RlbXMgRGV2aWNl IFsxMTc5OjAwMDJdCj4gICAgICAgICAgQ29udHJvbDogSS9PKyBNZW0rIEJ1c01hc3RlcisgU3Bl Y0N5Y2xlLSBNZW1XSU5WLSBWR0FTbm9vcC0gUGFyRXJyLSAKPiBTdGVwcGluZy0gU0VSUi0gRmFz dEIyQi0gRGlzSU5UeCsKPiAgICAgICAgICBTdGF0dXM6IENhcCsgNjZNSHotIFVERi0gRmFzdEIy QisgUGFyRXJyLSBERVZTRUw9ZmFzdCA+VEFib3J0LSA8VEFib3J0LSAKPiA8TUFib3J0LSA+U0VS Ui0gPFBFUlItIElOVHgtCj4gICAgICAgICAgTGF0ZW5jeTogMAo+ICAgICAgICAgIEludGVycnVw dDogcGluIEEgcm91dGVkIHRvIElSUSAyOAo+ICAgICAgICAgIFJlZ2lvbiAwOiBNZW1vcnkgYXQg ZTAwMDAwMDAgKDY0LWJpdCwgbm9uLXByZWZldGNoYWJsZSkgW3NpemU9NE1dCj4gICAgICAgICAg UmVnaW9uIDI6IE1lbW9yeSBhdCBkMDAwMDAwMCAoNjQtYml0LCBwcmVmZXRjaGFibGUpIFtzaXpl PTI1Nk1dCj4gICAgICAgICAgUmVnaW9uIDQ6IEkvTyBwb3J0cyBhdCA0MDAwIFtzaXplPTY0XQo+ ICAgICAgICAgIFt2aXJ0dWFsXSBFeHBhbnNpb24gUk9NIGF0IDAwMGMwMDAwIFtkaXNhYmxlZF0g W3NpemU9MTI4S10KPiAgICAgICAgICBDYXBhYmlsaXRpZXM6IFs5MF0gTVNJOiBFbmFibGUrIENv dW50PTEvMSBNYXNrYWJsZS0gNjRiaXQtCj4gICAgICAgICAgICAgICAgICBBZGRyZXNzOiBmZWUw MDAxOCAgRGF0YTogMDAwMAo+ICAgICAgICAgIENhcGFiaWxpdGllczogW2QwXSBQb3dlciBNYW5h Z2VtZW50IHZlcnNpb24gMgo+ICAgICAgICAgICAgICAgICAgRmxhZ3M6IFBNRUNsay0gRFNJKyBE MS0gRDItIEF1eEN1cnJlbnQ9MG1BIAo+IFBNRShEMC0sRDEtLEQyLSxEM2hvdC0sRDNjb2xkLSkK PiAgICAgICAgICAgICAgICAgIFN0YXR1czogRDAgTm9Tb2Z0UnN0LSBQTUUtRW5hYmxlLSBEU2Vs PTAgRFNjYWxlPTAgUE1FLQo+ICAgICAgICAgIENhcGFiaWxpdGllczogW2E0XSBQQ0kgQWR2YW5j ZWQgRmVhdHVyZXMKPiAgICAgICAgICAgICAgICAgIEFGQ2FwOiBUUCsgRkxSKwo+ICAgICAgICAg ICAgICAgICAgQUZDdHJsOiBGTFItCj4gICAgICAgICAgICAgICAgICBBRlN0YXR1czogVFAtCj4g ICAgICAgICAgS2VybmVsIGRyaXZlciBpbiB1c2U6IGk5MTUKPiAgICAgICAgICBLZXJuZWwgbW9k dWxlczogaTkxNQo+Cj4gVGhpcyB3YXJuaW5nIGRvZXMgbm90IHNlZW0gdG8gY2F1c2UgYW55IHBy b2JsZW1zLgo+Cj4gVGhhbmtzLAo+Cj4gTGFycnkKCi0tIApKYW5pIE5pa3VsYSwgSW50ZWwgT3Bl biBTb3VyY2UgVGVjaG5vbG9neSBDZW50ZXIKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMu ZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlz dGluZm8vaW50ZWwtZ2Z4Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751140AbeEBGM0 convert rfc822-to-8bit (ORCPT ); Wed, 2 May 2018 02:12:26 -0400 Received: from mga02.intel.com ([134.134.136.20]:22929 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750883AbeEBGMZ (ORCPT ); Wed, 2 May 2018 02:12:25 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.49,353,1520924400"; d="scan'208";a="51648505" From: Jani Nikula To: Larry Finger , Ville =?utf-8?B?U3lyasOkbMOk?= , Joonas Lahtinen , Rodrigo Vivi Cc: intel-gfx , LKML Subject: Re: Warning for driver i915 for 4.17.0-rcX In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: Date: Wed, 02 May 2018 09:12:21 +0300 Message-ID: <87o9hyd1ru.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 30 Apr 2018, Larry Finger wrote: > With kernel 4.17.0-rc3, I noted the following warning from driver i915. > > kernel: ------------[ cut here ]------------ > kernel: Could not determine valid watermarks for inherited state > kernel: WARNING: CPU: 3 PID: 224 at drivers/gpu/drm/i915/intel_display.c:14584 > intel_modeset_init+0x3be/0x1060 [i915] Please try [1], see also the related bug [2]. BR, Jani. [1] http://patchwork.freedesktop.org/patch/msgid/20180426163015.14232-1-ville.syrjala@linux.intel.com [2] https://bugs.freedesktop.org/show_bug.cgi?id=105992 > kernel: Modules linked in: i915(+) xhci_pci i2c_algo_bit ehci_pci xhci_hcd > serio_raw drm_kms_helper ehci_hcd syscopyarea sysfillrect sysimgblt > kernel: CPU: 3 PID: 224 Comm: systemd-udevd Not tainted > 4.17.0-rc0-08000-g2f39cfca0161-dirty #188 > kernel: Hardware name: TOSHIBA TECRA A50-A/TECRA A50-A, BIOS Version 4.50 > 09/29/2014 > kernel: RIP: 0010:intel_modeset_init+0x3be/0x1060 [i915] > kernel: RSP: 0018:ffffc9000112fab8 EFLAGS: 00010296 > kernel: RAX: 0000000000000038 RBX: ffff88021dc10000 RCX: 0000000000000006 > kernel: RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff88022f2d5bd0 > kernel: RBP: ffff88021c8b3000 R08: 0000000000000289 R09: 0000000000000004 > kernel: R10: ffffc9000112f948 R11: 0000000000000001 R12: ffff88021ef3d800 > kernel: R13: 00000000ffffffea R14: 0000000000000000 R15: ffff88021dc10358 > kernel: FS: 00007f830913c940(0000) GS:ffff88022f2c0000(0000) knlGS:0000000000000000 > kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > kernel: CR2: 00007ffc91722f58 CR3: 000000021e940003 CR4: 00000000001606e0 > kernel: Call Trace: > kernel: i915_driver_load+0xa87/0xed0 [i915] > kernel: local_pci_probe+0x42/0xa0 > kernel: pci_device_probe+0x125/0x190 > kernel: driver_probe_device+0x30b/0x480 > kernel: __driver_attach+0xb8/0xe0 > kernel: ? driver_probe_device+0x40/0x480 > kernel: ? driver_probe_device+0x480/0x480 > kernel: bus_for_each_dev+0x65/0x90 > kernel: bus_add_driver+0x161/0x260 > kernel: ? 0xffffffffa0149000 > kernel: driver_register+0x57/0xc0 > kernel: ? 0xffffffffa0149000 > kernel: do_one_initcall+0x4e/0x18d > kernel: ? kmem_cache_alloc_trace+0xfe/0x210 > kernel: ? do_init_module+0x22/0x20a > kernel: do_init_module+0x5b/0x20a > kernel: load_module+0x18a1/0x1e20 > kernel: ? SYSC_finit_module+0xb7/0xd0 > kernel: SYSC_finit_module+0xb7/0xd0 > kernel: do_syscall_64+0x6e/0x120 > kernel: entry_SYSCALL_64_after_hwframe+0x3d/0xa2 > kernel: RIP: 0033:0x7f8307f67529 > kernel: RSP: 002b:00007ffc91737ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 > kernel: RAX: ffffffffffffffda RBX: 0000559b3cf6f350 RCX: 00007f8307f67529 > kernel: RDX: 0000000000000000 RSI: 00007f83088cd83d RDI: 0000000000000014 > kernel: RBP: 00007f83088cd83d R08: 0000000000000000 R09: 0000559b3cf44f50 > kernel: R10: 0000000000000014 R11: 0000000000000246 R12: 0000000000020000 > kernel: R13: 0000559b3cf634a0 R14: 0000000000000000 R15: 0000000003938700 > kernel: Code: 00 f7 c6 00 00 18 00 0f 84 d7 0a 00 00 85 c9 0f 94 c1 41 88 8c 24 > 8d 02 00 00 e9 f6 08 00 00 48 c7 c7 b0 2f 41 a0 e8 f2 9b cd e0 > kernel: ---[ end trace c0feea6402f4c999 ]--- > > This warning was bisected to > > commit a2936e3d9a9cb2ce192455cdec3a8cfccc26b486 (refs/bisect/bad) > Author: Ville Syrjälä > Date: Thu Nov 23 21:04:49 2017 +0200 > > drm/i915: Use drm_mode_get_hv_timing() to populate plane clip rectangle > > Cc: Laurent Pinchart > Signed-off-by: Ville Syrjälä > Reviewed-by: Daniel Vetter > Reviewed-by: Thierry Reding > > The output of 'lspci -nn -vvv' for the gracpics device is as follows: > > 00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Gen Core > Processor Integrated Graphics Controller [8086:0416] (rev 06) (prog-if 00 [VGA > controller]) > Subsystem: Toshiba America Info Systems Device [1179:0002] > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- > Stepping- SERR- FastB2B- DisINTx+ > Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- SERR- Latency: 0 > Interrupt: pin A routed to IRQ 28 > Region 0: Memory at e0000000 (64-bit, non-prefetchable) [size=4M] > Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M] > Region 4: I/O ports at 4000 [size=64] > [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] > Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- > Address: fee00018 Data: 0000 > Capabilities: [d0] Power Management version 2 > Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA > PME(D0-,D1-,D2-,D3hot-,D3cold-) > Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [a4] PCI Advanced Features > AFCap: TP+ FLR+ > AFCtrl: FLR- > AFStatus: TP- > Kernel driver in use: i915 > Kernel modules: i915 > > This warning does not seem to cause any problems. > > Thanks, > > Larry -- Jani Nikula, Intel Open Source Technology Center