From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Agner Subject: Re: drm/imx: Crash in drm_mode_config_cleanup Date: Thu, 13 Sep 2018 09:52:00 -0700 Message-ID: <8e0763c1b5b84ac1fc94d7d430a1461b@agner.ch> References: <0687f68004b28ed3a364b06a9eb64e2e@agner.ch> <1536827785.3452.2.camel@pengutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail.kmu-office.ch (mail.kmu-office.ch [IPv6:2a02:418:6a02::a2]) by gabe.freedesktop.org (Postfix) with ESMTPS id DB7CF6E6DF for ; Thu, 13 Sep 2018 16:52:01 +0000 (UTC) In-Reply-To: <1536827785.3452.2.camel@pengutronix.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: Philipp Zabel Cc: linux@armlinux.org.uk, dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org SGkgUGhpbGlwcCwKCk9uIDEzLjA5LjIwMTggMDE6MzYsIFBoaWxpcHAgWmFiZWwgd3JvdGU6Cj4g SGkgU3RlZmFuLAo+IAo+IHRoYW5rIHlvdSBmb3IgdGhlIHJlcG9ydC4gSSB0aGluayB3aGF0IGhh cHBlbnMgaXMgdGhlIGZvbGxvd2luZzoKClRoYW5rcyBmb3IgbG9va2luZyBpbnRvIGl0IQoKPiAK PiBPbiBXZWQsIDIwMTgtMDktMTIgYXQgMTU6MjYgLTA3MDAsIFN0ZWZhbiBBZ25lciB3cm90ZToK Pj4gSGksCj4+Cj4+IFdoaWxlIHdvcmtpbmcgb24gQXBhbGlzIGlNWDYgd2l0aCBmb3VyIGRpc3Bs YXlzLCBJIGVuY291bnRlcmVkIHRoZQo+PiBmb2xsb3dpbmcgY3Jhc2g6Cj4+Cj4gWy4uLl0KPj4g WyAgICAzLjc4MTE2M10gaW14LWRybSBkaXNwbGF5LXN1YnN5c3RlbTogYm91bmQgMTIwMDAwLmhk bWkgKG9wcyBkd19oZG1pX2lteF9vcHMpCj4+IFsgICAgMy43ODg0NDFdIGlteC1kcm0gZGlzcGxh eS1zdWJzeXN0ZW06IGJpbmRpbmcgbGRiIChvcHMgaW14X2xkYl9vcHMpCj4+IFsgICAgMy43OTQ5 MDJdIGlteF9sZGJfYmluZCwgaW14X2xkYiBlYzBkYTAxMAo+IAo+IGNvbXBvbmVudF9iaW5kIGNh bGxzIGRldnJlc19vcGVuX2dyb3VwIHJpZ2h0IGJlZm9yZSBjb21wb25lbnQtPm9wcy0+YmluZAo+ IAo+IFRoZSBkZXZtZW1fa3phbGxvYydlZCBpbXhfbGRiX2NoYW5uZWwgdGhhdCBjb250YWlucyB0 aGUgZW5jb2RlciBpcwo+IGFsbG9jYXRlZCBpbiB0aGlzIGRldnJlcyBncm91cC4KPiAKPj4gWyAg ICAzLjc5OTgxOF0gZHJtX2VuY29kZXJfaW5pdCwgZW5jb2RlciBlYzBkYTM4OAo+PiBbICAgIDMu ODA0MzYzXSBkcm1fZW5jb2Rlcl9pbml0LCByZXQgMAo+IAo+IGRybV9lbmNvZGVyX2luaXQgYWRk cyB0aGUgZW5jb2RlciBpbiBpbXhfbGRiIHRvIHRoZQo+IG1vZGVfY29uZmlnLmVuY29kZXJfbGlz dC4KPiAKPj4gWyAgICAzLjgwNzkwOF0gaW14X2xkYl9yZWdpc3RlciwgZW5jb2RlciBlYzBkYTM4 OAo+PiBbICAgIDMuODEyNDMyXSBpbXhfbGRiX3JlZ2lzdGVyLCByZXQgMAo+PiBbICAgIDMuODE1 OTUxXSBpbXhfbGRiX2JpbmQgZW5jb2RlciBMVkRTLTQ2LCBlYzBkYTM4OCAtPmZ1bmMgYzBlNjM3 MWMKPj4gWyAgICAzLjgyMjIyN10gaW14X2xkYl9iaW5kLCBkb25lCj4+IFsgICAgMy44MjUzMzFd IGlteC1kcm0gZGlzcGxheS1zdWJzeXN0ZW06IGJvdW5kIGxkYiAob3BzIGlteF9sZGJfb3BzKQo+ PiBbICAgIDMuODMxNjE0XSBpbXgtZHJtIGRpc3BsYXktc3Vic3lzdGVtOiBiaW5kaW5nIHBhcmFs bGVsLWRpc3BsYXktY29udHJvbGxlcjEgKG9wcyBpbXhfcGRfb3BzKQo+PiBbICAgIDMuODQwMjg1 XSBkcm1fZW5jb2Rlcl9pbml0LCBlbmNvZGVyIGVjOGEyYjc4Cj4+IFsgICAgMy44NDQ5MzFdIGlt eC1kcm0gZGlzcGxheS1zdWJzeXN0ZW06IExpbmtlZCBhcyBhIGNvbnN1bWVyIHRvIHBhbmVsCj4+ IFsgICAgMy44NTE0NzJdIGlteC1kcm0gZGlzcGxheS1zdWJzeXN0ZW06IGJvdW5kIHBhcmFsbGVs LWRpc3BsYXktY29udHJvbGxlcjEgKG9wcyBpbXhfcGRfb3BzKQo+PiBbICAgIDMuODU5Nzg1XSBp bXgtZHJtIGRpc3BsYXktc3Vic3lzdGVtOiBiaW5kaW5nIHBhcmFsbGVsLWRpc3BsYXktY29udHJv bGxlcjAgKG9wcyBpbXhfcGRfb3BzKQo+PiBbICAgIDMuODY4NTYxXSBpbXgtZHJtIGRpc3BsYXkt c3Vic3lzdGVtOiBmYWlsZWQgdG8gYmluZCBwYXJhbGxlbC1kaXNwbGF5LWNvbnRyb2xsZXIwIChv cHMgaW14X3BkX29wcyk6IC01MTcKPj4gWyAgICAzLjg3ODIyNV0gaW14LWRybSBkaXNwbGF5LXN1 YnN5c3RlbTogRHJvcHBpbmcgdGhlIGxpbmsgdG8gcGFuZWwKPj4gWyAgICAzLjg4NDY3OV0gaW14 X2xkYl91bmJpbmQKPj4gWyAgICAzLjg4NzQyMV0gaW14X2xkYl91bmJpbmQsIGVuY29kZXIgTFZE Uy00NiwgZWMwZGEzODggLT5mdW5jIGMwZTYzNzFjCj4+IFsgICAgMy44OTM5NTBdIGlteF9sZGJf dW5iaW5kLCBlbmNvZGVyIChudWxsKSwgZWMwZGE4MzggLT5mdW5jIDAKPj4gWyAgICAzLjg5OTcy M10gaW14X2xkYl91bmJpbmQsIGRvbmUKPiAKPiBjb21wb25lbnRfdW5iaW5kIGNhbGxzIGRldnJl c19yZWxlYXNlX2dyb3VwIGFmdGVyIGNvbXBvbmVudC0+b3BzLQo+PnVuYmluZCwgZnJlZWluZyBp bXhfbGRiIGFuZCB3aXRoIGl0IHRoZSBlbmNvZGVyIHRoYXQgaXMgc3RpbGwgaW4gdGhlCj4gbW9k ZV9jb25maWcuZW5jb2Rlcl9saXN0CgpPaCBJIHNlZSwgSSBkaWQgbm90IHJlYWxpemUgdGhhdCBj b21wb25lbnRfdW5iaW5kIHJlbGVhc2VzIGRldnJlcy4uLgoKPiAKPj4gWyAgICAzLjkwODM0NV0g aW14X2RybV9iaW5kLCBjb21wb25lbnRfYmluZF9hbGwsIHJldCAtNTE3Cj4+IFsgICAgMy45MTM2 MzhdIGRybV9tb2RlX2NvbmZpZ19jbGVhbnVwLCBlbmNvZGVyIFRNRFMtNDQsIGVjODYxODk0IC0+ ZnVuY3MgYzBlNjNhMTgKPj4gWyAgICAzLjkyMTI2MF0gZHJtX21vZGVfY29uZmlnX2NsZWFudXAs IGNhbGxpbmcgZW5jb2Rlci0+ZnVuY3MtPmRlc3Ryb3khCj4+IFsgICAgMy45Mjc4OTddIGRybV9l bmNvZGVyX2NsZWFudXAsIGVuY29kZXIgZWM4NjE4OTQKPj4gWyAgICAzLjkzMjcxN10gZHJtX21v ZGVfY29uZmlnX2NsZWFudXAsIGVuY29kZXIgKG51bGwpLCBlYzBkYTM4OCAtPmZ1bmNzIDAKPiAK PiBVc2UgYWZ0ZXIgZnJlZS4KPiAKClRoYXQgYWxsIG1ha2VzIHNlbnNlIG5vdy4uLgoKCj4+IFsg ICAgMy45MzkzNTZdIGRybV9tb2RlX2NvbmZpZ19jbGVhbnVwLCBjYWxsaW5nIGVuY29kZXItPmZ1 bmNzLT5kZXN0cm95IQo+PiBbICAgIDMuOTQ2MDUwXSBVbmFibGUgdG8gaGFuZGxlIGtlcm5lbCBO VUxMIHBvaW50ZXIgZGVyZWZlcmVuY2UgYXQgdmlydHVhbCBhZGRyZXNzIDAwMDAwMDA0Cj4gWy4u Ll0KPj4gVGhlIEFwYWxpcyBpTVg2IGRldmljZSB0cmVlIEkgd29yayB3aXRoIHVzZXMgYSBkdW1i IFZHQSBicmlkZ2UgYW5kIGEgTFZEUwo+PiBkaXNwbGF5IGRpcmVjdGx5IHNwZWNpZmllZCBpbiB0 aGUgbGRiIG5vZGUuIEluIHRoZSBjYXNlIGFib3ZlIEkgZGlkIG5vdAo+PiBjb21waWxlIGluIHRo ZSBkdW1iIFZHQSBicmlkZ2UgZHJpdmVyLCB0aGF0IGlzIHRoZSByZWFzb24gd2h5IGJpbmRpbmcK Pj4gcGFyYWxsZWwtZGlzcGxheS1jb250cm9sbGVyMCBmYWlscy4KPiAKPiBJIHN1cHBvc2UgdGhp cyBtZWFucyB0aGF0IGNvbXBvbmVudCBkcml2ZXJzIG11c3Qgbm90IGFsbG9jYXRlIHRoZQo+IGVu Y29kZXIgaW4gdGhlIGNvbXBvbmVudCBkZXZyZXMgZ3JvdXAgZHVyaW5nIGJpbmQuIE5vdCBvbmx5 IHRoZWlyIG93bgo+IGZhaWx1cmUsIGJ1dCBhbnkgb3RoZXIgY29tcG9uZW50J3MgZmFpbHVyZSBj YW4gY2F1c2UgY29tcG9uZW50X3VuYmluZCB0bwo+IGJlIGNhbGxlZCBpbiB0aGUgY2xlYW51cCBw YXRoIG9mIGNvbXBvbmVudF9iaW5kX2FsbCwgZnJlZWluZyB0aGUgbWVtb3J5Cj4gYmVmb3JlIGRy bV9tb2RlX2NvbmZpZ19jbGVhbnVwIGlzIGNhbGxlZC4KPiAKCkluZGVlZCwgbW92aW5nIGFsbG9j YXRpb24gaW50byBkcml2ZXIgYmluZCBmaXhlcyB0aGUgY3Jhc2ghCgpJIHdvbmRlciwgaG93IGRv ZXMgZGV2cmVzIGtub3dzIHRoYXQgaW14X2xkYiBnb3QgYWxsb2NhdGVkIGluIHByb2JlIGFuZCBk b2VzIG5vdCBmcmVlIG9uIHVuYmluZD8gSSBndWVzcyB0aGF0IGlzIHRoZSBncm91cCBtZWNoYW5p c20gd2hpY2ggbWFrZXMgc3VyZSBvZiB0aGF0PwoKbGRiIHdvdWxkIG5vdCB0aGUgb25seSBkcml2 ZXIgYWZmZWN0ZWQsIGFsc28gZHJpdmVycy9ncHUvZHJtL2lteC9wYXJhbGxlbC1kaXNwbGF5LmMg YWxsb2NhdGVzIGVuY29kZXJzIGluIGNvbXBvbmVudCBiaW5kLCB0aGVyZSBhcmUgcHJvYmFibHkg bW9yZS4KCkFjdHVhbGx5LCB3aGVuIHRoaW5raW5nIG1vcmUgYWJvdXQgaXQsIGlmIHdlIHdvdWxk IGhhdmUgYSB3YXkgdG8gY2FsbCBmcmFtZXdvcmsgY2xlYW51cCBmdW5jdGlvbnMgKGRybV9tb2Rl X2NvbmZpZ19jbGVhbnVwKCkgaW4gdGhpcyBjYXNlKSBiZXR3ZWVuIHRoZSBiaW5kIGFuZCB1bmJp bmQgbG9vcHMgaW4gY29tcG9uZW50X2JpbmRfYWxsKCksIHdlIHdvdWxkIG5vdCBoYXZlIHRoYXQg cHJvYmxlbS4KClthZGRpbmcgUnVzc2VsLCBzaW5jZSBoZSBpbnRyb2R1Y2VkIHRoZSBjb21wb25l bnQgaW5mcmFzdHJ1Y3R1cmVdCgo+PiBUaGUgTFZEUyBlbmNvZGVyICgweGVjMWEwMzg4IGluIHRo YXQgY2FzZSkgaXMgc29tZWhvdyBhbHJlYWR5IGNsZWFuZWQgdXAKPj4gd2hlbiBjYWxsaW5nIGRy bV9tb2RlX2NvbmZpZ19jbGVhbnVwKCksIHdoaWNoIGxlYWRzIHRvIGEgbnVsbCBwb2ludGVyCj4+ IGRlZmVyZW5jZSB3aGVuIHRyeWluZyB0byBjYWxsIGRlc3Ryb3kuCj4+Cj4+IEkgd2FzIHVuYWJs ZSB0byBmaWd1cmUgb3V0IHdoeSB0aGUgRFJNIGVuY29kZXIgaW4gdGhlIHNlY29uZAo+PiBkcm1f bW9kZV9jb25maWdfY2xlYW51cCgpIGNhbGwgaXMgYWxyZWFkeSB6ZXJvZWQgb3V0LiBUaGUgY29t cG9uZW50Cj4+IGZyYW1ld29yayBjYWxscyBpbXhfbGRiX3VuYmluZCgpIGZpcnN0LCBidXQgdGhh dCBzaG91bGQgbm90IGZyZWUKPj4gdXAgdGhlIGVuY29kZXIgYWZhaWN0LiBBbnkgaWRlYT8KPj4K Pj4gSSB3YXMgYWxzbyB3b25kZXJpbmcgaW4gdGhlIGRlZmVycmVkIHByb2JpbmcgY2FzZSwgZnVu Y3Rpb25zIGxpa2UKPj4gaW14X2xkYl9iaW5kKCkgY2FsbCBkZXZtX2t6YWxsb2Mgb24gZXZlcnkg dHJ5LiBTaW5jZSB0aGUgdW5kZXJseWluZwo+PiBkZXZpY2UgaXMgbm90IHJlbW92ZWQsIGRvZXNu J3QgdGhpcyBsZWFkcyB0byBtdWx0aXBsZSBhY3RpdmUgYWxsb2NhdGlvbnM/Cj4gCj4gU2VlIGFi b3ZlLiBUbyBtZSBpdCBsb29rcyBsaWtlIHdlIGhhdmUgdG8gYWxsb2NhdGUgaW14X2xkYiBpbiBw cm9iZSBhbmQKPiBkZWFsIHdpdGggcG9zc2libHkgcGFydGlhbGx5IHByZWluaXRpYWx6aWVkIHN0 cnVjdHVyZSB3aGVuIGJpbmQgaXMKPiBjYWxsZWQgYSBzZWNvbmQgdGltZS4KPiAKClllYWggd2l0 aCB0aGUgZmFjdCB0aGF0IGNvbXBvbmVudCBmcmFtZXdvcmsgZG9lcyBmcmVlIGRldnJlcyBhdCB1 bmJpbmQgdGltZSwgbXkgY29uY2VybiBzdGF0ZWQgaGVyZSBpcyBudWxsLi4uCgotLQpTdGVmYW4K X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVs IG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVsCg==