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Thu, 09 Jan 2020 18:40:51 -0800 (PST) Subject: Re: Regression in 5.4 kernel on 32-bit Radeon IBM T40 From: Woody Suwalski To: =?UTF-8?Q?Christian_K=c3=b6nig?= , Christoph Hellwig References: <400f6ce9-e360-0860-ca2a-fb8bccdcdc9b@gmail.com> <20200109141436.GA22111@lst.de> <9ad75215-3ff1-ee76-9985-12fd78d6aa5f@amd.com> <67f60d13-a245-5561-1372-7d68f35969f3@gmail.com> Message-ID: <66a6b0ea-4ee8-1a0d-b259-568059d54e09@gmail.com> Date: Thu, 9 Jan 2020 21:40:50 -0500 User-Agent: Mozilla/5.0 (X11; Linux i686; rv:52.0) Gecko/20100101 Firefox/52.0 SeaMonkey/2.49.5 MIME-Version: 1.0 In-Reply-To: <67f60d13-a245-5561-1372-7d68f35969f3@gmail.com> X-Mailman-Approved-At: Sun, 12 Jan 2020 12:36:09 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Deucher, Alexander" , Pavel Machek , LKML , DRI mailing list Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" V29vZHkgU3V3YWxza2kgd3JvdGU6Cj4gQ2hyaXN0aWFuIEvDtm5pZyB3cm90ZToKPj4gSGkgQ2hy aXN0b3BoLAo+Pgo+PiBBbSAwOS4wMS4yMCB1bSAxNToxNCBzY2hyaWViIENocmlzdG9waCBIZWxs d2lnOgo+Pj4gSGkgV29vZHksCj4+Pgo+Pj4gc29ycnkgZm9yIHRoZSBsYXRlIHJlcGx5LCBJJ3Zl IGJlZW4gb2ZmIHRvIGEgdmFjYXRpb24gb3ZlciB0aGUgCj4+PiBob2xpZGF5cy4KPj4+Cj4+PiBP biBTYXQsIERlYyAxNCwgMjAxOSBhdCAxMDoxNzoxNVBNIC0wNTAwLCBXb29keSBTdXdhbHNraSB3 cm90ZToKPj4+PiBSZWdyZXNzaW9uIGluIDUuNCBrZXJuZWwgb24gMzItYml0IFJhZGVvbiBJQk0g VDQwCj4+Pj4gdHJpZ2dlcmVkIGJ5Cj4+Pj4gY29tbWl0IDMzYjNhZDM3ODhhYmE4NDZmYzhiOWEw NjVmZTI2ODVhMGI2NGY3MTMKPj4+PiBBdXRob3I6IENocmlzdG9waCBIZWxsd2lnIDxoY2hAbHN0 LmRlPgo+Pj4+IERhdGU6wqDCoCBUaHUgQXVnIDE1IDA5OjI3OjAwIDIwMTkgKzAyMDAKPj4+Pgo+ Pj4+IEhvd2R5LAo+Pj4+IFRoZSBhYm92ZSBwYXRjaCBoYXMgdHJpZ2dlcmVkIGEgZGlzcGxheSBw cm9ibGVtIG9uIElCTSBUaGlua3BhZCAKPj4+PiBUNDAsIHdoZXJlCj4+Pj4gdGhlIHNjcmVlbiBp cyBjb3ZlcmVkIHdpdGggYSBsb3RzIG9mIHJhbmRvbSBzaG9ydCBibGFjayBob3Jpem9udGFsIAo+ Pj4+IGxpbmVzLAo+Pj4+IG9yIGRpc3RvcnRlZCBsZXR0ZXJzIGluIFggdGVybXMuCj4+Pj4KPj4+ PiBUaGUgY3VscHJpdCBzZWVtcyB0byBiZSB0aGF0IHRoZSBkbWFfZ2V0X3JlcXVpcmVkX21hc2so KSBpcyAKPj4+PiByZXR1cm5pbmcgYQo+Pj4+IHZhbHVlIDB4M2ZmZmZmZmYKPj4+PiB3aGljaCBp cyBzbWFsbGVyIHRoYW4gZG1hX2dldF9tYXNrKCkweGZmZmZmZmZmLlRoYXQgcmVzdWx0cyBpbgo+ Pj4+IGRtYV9hZGRyZXNzaW5nX2xpbWl0ZWQoKT09MCBpbiB0dG1fYm9fZGV2aWNlKCksIGFuZCB1 c2luZyA0MC1iaXRzIGRtYQo+Pj4+IGluc3RlYWQgb2YgMzItYml0cy4KPj4+IFdoaWNoIGlzIHRo ZSBpbnRlbmRlZCBiZWhhdmlvciBhc3N1bWluZyB5b3VyIHN5c3RlbSBoYXMgMUdCIG9mIG1lbW9y eS4KPj4+IERvZXMgaXQ/Cj4+Cj4+IEFzc3VtaW5nIHRoZSBzeXN0ZW0gZG9lc24ndCBoYXZlIHRo ZSAxR0Igc3BsaXQgdXAgc29tZWhvdyBjcmF6eSBvdmVyIAo+PiB0aGUgYWRkcmVzcyBzcGFjZSB0 aGF0IHNob3VsZCBpbmRlZWQgd29yayBhcyBpbnRlbmRlZC4KPj4KPj4+Cj4+Pj4gSWYgSSBoYXJk Y29kZSAiMSIgYXMgdGhlIGxhc3QgcGFyYW1ldGVyIHRvIHR0bV9ib19kZXZpY2VfaW5pdCgpIGlu IAo+Pj4+IHBsYWNlIG9mCj4+Pj4gYSBjYWxsIHRvIGRtYV9hZGRyZXNzaW5nX2xpbWl0ZWQoKSx0 aGUgcHJvYmxlbSBnb2VzIGF3YXkuCj4+PiBJJ2xsIG5lZWQgc29tZSBoZWxwIGZyb20gdGhlIGRy bSAvIHJhZGVvbiAvIFRUTSBtYWludGFpbmVycyBpZiB0aGVyZSAKPj4+IGFyZQo+Pj4gYW55IG90 aGVyIHNpZGUgZWZmZWN0cyBmcm9tIG5vdCBwYXNzaW5nIHRoZSBuZWVkX2RtYTMyIHBhcmFtdGVy cy4KPj4+IE9idmlvdXNseSBpZiB0aGUgZGV2aWNlIGRvZXNuJ3QgaGF2ZSBtb3JlIHRoYW4gMzIt Yml0cyB3b3J0aCBvZiBkcmFtIAo+Pj4gYW5kCj4+PiBubyBETUEgb2Zmc2V0IHdlIGNhbid0IGZl ZWQgdW5hZGRyZXNzYWJsZSBtZW1vcnkgdG8gdGhlIGRldmljZS4KPj4+IFVuZm9ydHVuYXRlbHkg SSBoYXZlIGEgdmVyeSBoYXJkIHRpbWUgZm9sbG93aW5nIHRoZSBpbXBsZW1lbnRhdGlvbiBvZgo+ Pj4gdGhlIFRUTSBwb29sIGlmIGl0IGRvZXMgYW55dGhpbmcgZWxzZSBpbiB0aGlzIGNhc2UuCj4+ Cj4+IFRoZSBvbmx5IG90aGVyIHRoaW5nIHdoaWNoIGNvbWVzIHRvIG1pbmQgaXMgdXNpbmcgaHVn ZSBwYWdlcy4gQ2FuIHlvdSAKPj4gdHJ5IGEga2VybmVsIHdpdGggQ09ORklHX1RSQU5TUEFSRU5U X0hVR0VQQUdFIGRpc2FibGVkPwo+Pgo+PiBUaGFua3MsCj4+IENocmlzdGlhbi4KPgo+IEhhcHB5 IE5ldyBZZWFyIDotKQo+Cj4gWWVzLCB0aGUgYm94IGhhcyAxRyBvZiBSQU0sIGFuZCB1bmZvcnR1 bmF0ZWx5IG5vcGUsIAo+IFRSQU5TUEFSRU5UX0hVR0VQQUdFIGlzIG5vdCBvbi4gSSBhbSBhdHRh Y2hpbmcgdGhlIC5jb25maWcsIG1heWJlIHlvdSAKPiBjYW4gZmluZCBzb21lIGluc2FuaXR5IHRo ZXJlLi4uIEFsc28gLSBmb3IgcmVmZXJlbmNlIC0gYSBtaW5pbWFsaXN0aWMgCj4gcGF0Y2ggZml4 aW5nIHN5bXB0b21zIChidXQgbm90IGFkZHJlc3NpbmcgdGhlIHJvb3QgY2F1c2XCoCA6LSggKQo+ Cj4gSSBjYW4gdHJ5IHRvIHJlYnVpbGQgdGhlIGtlcm5lbCB3aXRoIEhJR0hNRU0gb2ZmLCBhbHRo b3VnaCBJIGFtIG5vdCAKPiBvcHRpbWlzdGljIGl0IHdpbGwgY2hhbmdlIGFueXRoaW5nLiBCdXQg YXQgbGVhc3QgaXQgc2hvdWxkIHNpbXBsaWZ5IAo+IHRoZSAxRyBzcGxpdC4uLgo+Cj4gU28gaWYg eW91IGhhdmUgYW55IG90aGVyIGlkZWFzIC0gcGxzIGxldCBtZSBrbm93Li4KPgo+IFRoYW5rcywg V29vZHkKPgpJbnRlcmVzdGluZy4gUmVidWlsZGluZyB0aGUga2VybmVsIHdpdGggSElNRU0gZGlz YWJsZWQgYWN0dWFsbHkgc29sdmVzIAp0aGUgZGlzcGxheSBwcm9ibGVtLiBUaGUgZGVidWcgbGlu ZXMgc2hvdyBleGFjdGx5IHNhbWUgdmFsdWVzIGZvciAKZG1hX2dldF9yZXF1aXJlZF9tYXNrKCkg YW5kIGRtYV9nZXRfbWFzaygpLCB5ZXQgbm93IGl0IHdvcmtzIE9LLi4uIFNvIAp3aGF0IGhhcyBz b2x2ZWQgaXQ/Pz8KCldvb2R5CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fXwpkcmktZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVz a3RvcC5vcmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9k cmktZGV2ZWwK