From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?Q2hyaXN0aWFuIEvDtm5pZw==?= Subject: Re: r600_dma_ring_test() failed - synchronization problem with write-combining memory Date: Thu, 9 Oct 2014 20:32:13 +0200 Message-ID: <5436D4AD.80701@amd.com> References: <3692931412854762@web24j.yandex.ru> <5436C8EA.4010200@amd.com> <184311412878554@web13o.yandex.ru> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from na01-bn1-obe.outbound.protection.outlook.com (mail-bn1on0115.outbound.protection.outlook.com [157.56.110.115]) by gabe.freedesktop.org (Postfix) with ESMTP id B4D546E3D8 for ; Thu, 9 Oct 2014 11:32:20 -0700 (PDT) In-Reply-To: <184311412878554@web13o.yandex.ru> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Alexander Fyodorov , gpudriverdevsupport , "dri-devel@lists.freedesktop.org" List-Id: dri-devel@lists.freedesktop.org QW0gMDkuMTAuMjAxNCB1bSAyMDoxNSBzY2hyaWViIEFsZXhhbmRlciBGeW9kb3JvdjoKPiAwOS4x MC4yMDE0LCAyMTo0MiwgIkNocmlzdGlhbiBLw7ZuaWciIDxjaHJpc3RpYW4ua29lbmlnQGFtZC5j b20+Ogo+PiBIaSBBbGV4YW5kZXIsCj4+Cj4+IGluIHRoZSByaW5nIHRlc3Qgd2Ugd3JpdGUgdGhl IHZhbHVlIDB4REVBREJFRUYgYW5kIDB4Q0FGRURFQUQgaW50bwo+PiByZWdpc3RlcnMsIG5vdCBW UkFNLgo+Pgo+PiBBbmQgdGhlIHJlZ2lzdGVyIGJhciBzaG91bGRuJ3QgYmUgYWNjZXNzZWQgd3Jp dGUgY29tYmluZWQsIGNhdXNlIHRoYXQKPj4gY291bGQgbGVhZCB0byBhIGNvdXBsZSBvZiBvcmRl cmluZyBwcm9ibGVtcy4gV2h5IGRvIHlvdSB0aGluayB0aGUgYWNjZXNzCj4+IGlzIGRvbmUgd3Jp dGUgY29tYmluZWQ/Cj4gQmVjYXVzZSB0aGVyZSBpcyB0aGlzIGNvZGUgaW4gcjYwMF9kbWFfcmlu Z190ZXN0KCk6Cj4gICAgdm9pZCBfX2lvbWVtICpwdHIgPSAodm9pZCAqKXJkZXYtPnZyYW1fc2Ny YXRjaC5wdHI7Cj4KPiBBbmQgdnJhbV9zY3JhdGNoIGlzIGFsbG9jYXRlZCBpbiByNjAwX3ZyYW1f c2NyYXRjaF9pbml0KCkgd2l0aCBkb21haW4gUkFERU9OX0dFTV9ET01BSU5fVlJBTSB3aGljaCBp bXBsaWVzIHdyaXRlLWNvbWJpbmluZy4gSSBhc3N1bWVkIHRoYXQgdGhpcyBtZWFucyBpdCBwb2lu dHMgdG8gdGhlIHZpZGVvIG1lbW9yeS4KCkFoISBTb3JyeSwgeW91IGFyZSB0YWxraW5nIGFib3V0 IHRoZSBETUEgcmluZyB0ZXN0LCBub3QgdGhlIEdGWCByaW5nIAp0ZXN0LiBSaWdodCBpbiB0aGlz IGNhc2Ugd2UgdXNlIGEgYml0IG9mIFZSQU0gZm9yIHRoZSB0ZXN0LgoKPiBBbHNvIHdoZW4gSSBs b29rIGF0IHBhZ2UgdGFibGUgYXR0cmlidXRlcyBJIGNhbiBzZWUgdGhhdCBpdCBpcyBpbmRlZWQg bWFwcGVkIGFzIHdyaXRlLWNvbWJpbmluZy4gSW4gdGhpcyB0ZXN0IG9ubHkgInJkZXYtPnJtbWlv IiBhcmVhIHdhcyBtYXBwZWQgYXMgVUMgKHRoZSBvbmUgd2hlcmUgcmFkZW9uX3JpbmdfY29tbWl0 KCkgd3JpdGVzIHRvIHRvIHN0YXJ0IHRoZSBleGVjdXRpb24pLgoKQ29ycmVjdCwgdGhhdCdzIHRo ZSByZWdpc3RlciBiYXIuCgo+Cj4+IEZvciBWUkFNIGl0IGlzIHRydWUgdGhhdCB3ZSBoYXZlIGEg Y291cGxlIG9mIGRpZmZlcmVudCBjYWNoZXMgYmV0d2Vlbgo+PiB0aGUgQ1BVIGFuZCB0aGUgYWN0 dWFsbHkgbWVtb3J5LCB3aGljaCBuZWVkIHRvIGJlIGZsdXNoZWQgZXhwbGljaXRseSBpZgo+PiB5 b3Ugd2FudCB0byBzZWUgYSB2YWx1ZSB3cml0dGVuIGJ5IHRoZSBHUFUuCj4gVGhlbiBtYXliZSBz dWNoIGEgZmx1c2ggaXMgd2hhdCBJIG5lZWQuIEhvdyBkbyBJIHB1dCBpdCBpbiB0aGUgaW5zdHJ1 Y3Rpb24gcmluZyBidWZmZXI/CkF0IGxlYXN0IHdlIG5lZWQgdG8gZmx1c2ggdGhlIEhEUCwgYnV0 IHdoYXQgaGFyZHdhcmUgZ2VuZXJhdGlvbiBpcyB0aGlzIApleGFjdGx5PyBTb21lIFI2eHggZG9u J3Qgc3VwcG9ydCBoYXJkd2FyZSBmbHVzaGVzIGluIHRoZSByaW5nIGJ1ZmZlci4KClRyeSB0byBj YWxsIHI2MDBfbW1pb19oZHBfZmx1c2gocmRldikgZnJvbSB0aGUgbG9vcCB3aGljaCBjaGVja3Mg dGhlIAp2YWx1ZSB3cml0dGVuLgoKUmVnYXJkcywKQ2hyaXN0aWFuLgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRy aS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cDovL2xpc3RzLmZyZWVkZXNrdG9wLm9y Zy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=