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Thu, 19 Nov 2020 11:33:06 +0000 MIME-Version: 1.0 Date: Thu, 19 Nov 2020 11:33:06 +0000 From: Marc Zyngier To: Neil Armstrong Subject: Re: next/master bisection: baseline.dmesg.emerg on meson-gxbb-p200 In-Reply-To: <3f54de27-0fef-c5a1-8991-0a0614c90667@baylibre.com> References: <5fb5e094.1c69fb81.a2014.2e62@mx.google.com> <630e00e83cdd07ee5a0eaba9d3479554@kernel.org> <3f54de27-0fef-c5a1-8991-0a0614c90667@baylibre.com> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <48731911dbbe869a6d3bdafd819fa9ff@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: narmstrong@baylibre.com, guillaume.tucker@collabora.com, kernelci-results@groups.io, khilman@baylibre.com, jbrunet@baylibre.com, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, martin.blumenstingl@googlemail.com, airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201119_063313_334178_0598E5D9 X-CRM114-Status: GOOD ( 18.44 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernelci-results@groups.io, Martin Blumenstingl , Guillaume Tucker , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Daniel Vetter , Kevin Hilman , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Jerome Brunet Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org T24gMjAyMC0xMS0xOSAxMDoyNiwgTmVpbCBBcm1zdHJvbmcgd3JvdGU6Cj4gT24gMTkvMTEvMjAy MCAxMToyMCwgTWFyYyBaeW5naWVyIHdyb3RlOgo+PiBPbiAyMDIwLTExLTE5IDA4OjUwLCBHdWls bGF1bWUgVHVja2VyIHdyb3RlOgo+Pj4gUGxlYXNlIHNlZSB0aGUgYXV0b21hdGVkIGJpc2VjdGlv biByZXBvcnQgYmVsb3cgYWJvdXQgc29tZSBrZXJuZWwKPj4+IGVycm9ycyBvbiBtZXNvbi1neGJi LXAyMDAuCj4+PiAKPj4+IFJlcG9ydHMgYXJlbid0IGF1dG9tYXRpY2FsbHkgc2VudCB0byB0aGUg cHVibGljIHdoaWxlIHdlJ3JlCj4+PiB0cmlhbGluZyBuZXcgYmlzZWN0aW9uIGZlYXR1cmVzIG9u IGtlcm5lbGNpLm9yZywgaG93ZXZlciB0aGlzIG9uZQo+Pj4gbG9va3MgdmFsaWQuCj4+PiAKPj4+ IFRoZSBiaXNlY3Rpb24gc3RhcnRlZCB3aXRoIG5leHQtMjAyMDExMTggYnV0IHRoZSBlcnJvcnMg YXJlIHN0aWxsCj4+PiBwcmVzZW50IGluIG5leHQtMjAyMDExMTkuwqAgRGV0YWlscyBmb3IgdGhp cyByZWdyZXNzaW9uOgo+Pj4gCj4+PiDCoCBodHRwczovL2tlcm5lbGNpLm9yZy90ZXN0L2Nhc2Uv aWQvNWZiNjE5NmJmZDAxMjdmZDY4ZDhkOTAyLwo+Pj4gCj4+PiBUaGUgZmlyc3QgZXJyb3IgaXM6 Cj4+PiAKPj4+IMKgIFvCoMKgIDE0Ljc1NzQ4OV0gSW50ZXJuYWwgZXJyb3I6IHN5bmNocm9ub3Vz IGV4dGVybmFsIGFib3J0OiA5NjAwMDIxMAo+Pj4gWyMxXSBQUkVFTVBUIFNNUAo+PiAKPj4gTG9v a3MgbGlrZSB5ZXQgYW5vdGhlciBjbG9jayBvcmRlcmluZyBzZXR1cC4gSSBndWVzcyBkaWZmZXJl bnQgQW1sb2dpYwo+PiBwbGF0Zm9ybXMgaGF2ZSBzbGlnaHRseSBkaWZmZXJlbnQgb3JkZXJpbmcg cmVxdWlyZW1lbnRzLgo+PiAKPj4gTmVpbCwgZG8geW91IGhhdmUgYW55IGlkZWEgb2Ygd2hpY2gg cGxhdGZvcm0gcmVxdWlyZXMgd2hpY2ggb3JkZXJpbmc/Cj4+IFRoZSB2YXJpYWJpbGl0eSBpbiBE VCBhbmQgcGxhdGZvcm1zIGlzIHByZXR0eSBkaWZmaWN1bHQgdG8gZm9sbG93IChhbmQKPj4gSSBk b24ndCB0aGluayBJIGhhdmUgc3VjaCBib2FyZCBhcm91bmQpLgo+IAo+IFRoZSByZXF1aXJlbWVu dHMgc2hvdWxkIGJlIHRoZSBzYW1lLCBoZXJlIHRoZSBpbml0IHdhcyBkb25lIGJlZm9yZSAKPiBj YWxsaW5nCj4gZHdfaGRtaV9wcm9iZSB0byBiZSBzdXJlIHRoZSBjbG9ja3MgYW5kIGludGVybmFs cyByZXNldHMgd2VyZSAKPiBkZWFzc2VydGVkLgo+IEJ1dCBzaW5jZSB5b3UgYm9vdCBmcm9tIHUt Ym9vdCBhbHJlYWR5IGVuYWJsaW5nIHRoZXNlLCBpdCdzIGFscmVhZHkgCj4gYWN0aXZlLgoKVGhl IGNyYXNoaW5nIHBsYXRmb3JtIGFsc28gYm9vdHMgd2l0aCB1LWJvb3QuIFdoYXQgaXMgdGhlIGRp ZmZlcmVuY2U/Ck5vIEhETUkgc3VwcG9ydD8KCj4gVGhlIHNvbHV0aW9uIHdvdWxkIGJlIHRvIHJl dmVydCBhbmQgZG8gc29tZSBjaGVjayBpbiAKPiBtZXNvbl9kd19oZG1pX2luaXQoKSB0bwo+IGNo ZWNrIGlmIGFscmVhZHkgZW5hYmxlZCBhbmQgZG8gbm90aGluZy4KCkl0IGxvb2tzIG1vcmUgc3Vi dGxlIHRoYW4gdGhhdCwgYXMgaXQgYWxzbyBkZXBlbmRzIG9uIHdoaWNoIERUIGlzIApwcm92aWRl ZAooYW4gZWFybHkgbWVzb25fZHdfaGRtaV9pbml0KCkgd29ya3Mgd2l0aCB0aGUga2VybmVsIERU LCBhbmQgYnJlYWtzIHdpdGggCnRoZQp1LWJvb3QgRFQpLiBTbyB3aGF0ZXZlciBkaWZmZXJlbmNl IGlzIGJldHdlZW4gdGhlIHR3byBEVHMgY2F1c2VzIGhhdm9jLgp1LWJvb3Qgb2J2aW91c2x5IG9u bHkgdXNlcyBpdHMgb3duIERULCBzbyB3ZSBhcmUgbG9va2luZyBhdCBhIGtlcm5lbCBidWcgCmhl cmUuCgpOb3QgaGF2aW5nIHRoaXMgcGF0Y2ggYWxzbyBicmVha3MgbW9kdWxlIHJlaW5zZXJ0aW9u IChIRE1JIGNsb2NrcyBhcmUgCmRpc2FibGVkCm9uIHVuYmluZCksIHNvICpzb21ldGhpbmcqIGhh cyB0byBiZSBkb25lIGxhdGUuCgpTbyBoZXJlIGFyZSBteSBxdWVzdGlvbnM6Ci0gV2hhdCBicmVh a3MgaW4gbXkgY29uZmlnIHdoZW4gSSBib290IHVzaW5nIHUtYm9vdCdzIERUPwotIEhvdyB0byBk ZXRlY3QgZWFybHkgdGhhdCB0aGUgcmVnaXN0ZXJzIGFyZSBjbG9ja2VkIG9yIG5vdD8KClRoYW5r cywKCiAgICAgICAgIE0uCi0tIApKYXp6IGlzIG5vdCBkZWFkLiBJdCBqdXN0IHNtZWxscyBmdW5u eS4uLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlu dXgtYW1sb2dpYyBtYWlsaW5nIGxpc3QKbGludXgtYW1sb2dpY0BsaXN0cy5pbmZyYWRlYWQub3Jn Cmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYW1sb2dp Ywo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0F317C2D0E4 for ; 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SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201119_063313_334178_0598E5D9 X-CRM114-Status: GOOD ( 18.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernelci-results@groups.io, Martin Blumenstingl , Guillaume Tucker , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Daniel Vetter , Kevin Hilman , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Jerome Brunet Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjAyMC0xMS0xOSAxMDoyNiwgTmVpbCBBcm1zdHJvbmcgd3JvdGU6Cj4gT24gMTkvMTEvMjAy MCAxMToyMCwgTWFyYyBaeW5naWVyIHdyb3RlOgo+PiBPbiAyMDIwLTExLTE5IDA4OjUwLCBHdWls bGF1bWUgVHVja2VyIHdyb3RlOgo+Pj4gUGxlYXNlIHNlZSB0aGUgYXV0b21hdGVkIGJpc2VjdGlv biByZXBvcnQgYmVsb3cgYWJvdXQgc29tZSBrZXJuZWwKPj4+IGVycm9ycyBvbiBtZXNvbi1neGJi LXAyMDAuCj4+PiAKPj4+IFJlcG9ydHMgYXJlbid0IGF1dG9tYXRpY2FsbHkgc2VudCB0byB0aGUg cHVibGljIHdoaWxlIHdlJ3JlCj4+PiB0cmlhbGluZyBuZXcgYmlzZWN0aW9uIGZlYXR1cmVzIG9u IGtlcm5lbGNpLm9yZywgaG93ZXZlciB0aGlzIG9uZQo+Pj4gbG9va3MgdmFsaWQuCj4+PiAKPj4+ IFRoZSBiaXNlY3Rpb24gc3RhcnRlZCB3aXRoIG5leHQtMjAyMDExMTggYnV0IHRoZSBlcnJvcnMg YXJlIHN0aWxsCj4+PiBwcmVzZW50IGluIG5leHQtMjAyMDExMTkuwqAgRGV0YWlscyBmb3IgdGhp cyByZWdyZXNzaW9uOgo+Pj4gCj4+PiDCoCBodHRwczovL2tlcm5lbGNpLm9yZy90ZXN0L2Nhc2Uv aWQvNWZiNjE5NmJmZDAxMjdmZDY4ZDhkOTAyLwo+Pj4gCj4+PiBUaGUgZmlyc3QgZXJyb3IgaXM6 Cj4+PiAKPj4+IMKgIFvCoMKgIDE0Ljc1NzQ4OV0gSW50ZXJuYWwgZXJyb3I6IHN5bmNocm9ub3Vz IGV4dGVybmFsIGFib3J0OiA5NjAwMDIxMAo+Pj4gWyMxXSBQUkVFTVBUIFNNUAo+PiAKPj4gTG9v a3MgbGlrZSB5ZXQgYW5vdGhlciBjbG9jayBvcmRlcmluZyBzZXR1cC4gSSBndWVzcyBkaWZmZXJl bnQgQW1sb2dpYwo+PiBwbGF0Zm9ybXMgaGF2ZSBzbGlnaHRseSBkaWZmZXJlbnQgb3JkZXJpbmcg cmVxdWlyZW1lbnRzLgo+PiAKPj4gTmVpbCwgZG8geW91IGhhdmUgYW55IGlkZWEgb2Ygd2hpY2gg cGxhdGZvcm0gcmVxdWlyZXMgd2hpY2ggb3JkZXJpbmc/Cj4+IFRoZSB2YXJpYWJpbGl0eSBpbiBE VCBhbmQgcGxhdGZvcm1zIGlzIHByZXR0eSBkaWZmaWN1bHQgdG8gZm9sbG93IChhbmQKPj4gSSBk b24ndCB0aGluayBJIGhhdmUgc3VjaCBib2FyZCBhcm91bmQpLgo+IAo+IFRoZSByZXF1aXJlbWVu dHMgc2hvdWxkIGJlIHRoZSBzYW1lLCBoZXJlIHRoZSBpbml0IHdhcyBkb25lIGJlZm9yZSAKPiBj YWxsaW5nCj4gZHdfaGRtaV9wcm9iZSB0byBiZSBzdXJlIHRoZSBjbG9ja3MgYW5kIGludGVybmFs cyByZXNldHMgd2VyZSAKPiBkZWFzc2VydGVkLgo+IEJ1dCBzaW5jZSB5b3UgYm9vdCBmcm9tIHUt Ym9vdCBhbHJlYWR5IGVuYWJsaW5nIHRoZXNlLCBpdCdzIGFscmVhZHkgCj4gYWN0aXZlLgoKVGhl IGNyYXNoaW5nIHBsYXRmb3JtIGFsc28gYm9vdHMgd2l0aCB1LWJvb3QuIFdoYXQgaXMgdGhlIGRp ZmZlcmVuY2U/Ck5vIEhETUkgc3VwcG9ydD8KCj4gVGhlIHNvbHV0aW9uIHdvdWxkIGJlIHRvIHJl dmVydCBhbmQgZG8gc29tZSBjaGVjayBpbiAKPiBtZXNvbl9kd19oZG1pX2luaXQoKSB0bwo+IGNo ZWNrIGlmIGFscmVhZHkgZW5hYmxlZCBhbmQgZG8gbm90aGluZy4KCkl0IGxvb2tzIG1vcmUgc3Vi dGxlIHRoYW4gdGhhdCwgYXMgaXQgYWxzbyBkZXBlbmRzIG9uIHdoaWNoIERUIGlzIApwcm92aWRl ZAooYW4gZWFybHkgbWVzb25fZHdfaGRtaV9pbml0KCkgd29ya3Mgd2l0aCB0aGUga2VybmVsIERU LCBhbmQgYnJlYWtzIHdpdGggCnRoZQp1LWJvb3QgRFQpLiBTbyB3aGF0ZXZlciBkaWZmZXJlbmNl IGlzIGJldHdlZW4gdGhlIHR3byBEVHMgY2F1c2VzIGhhdm9jLgp1LWJvb3Qgb2J2aW91c2x5IG9u bHkgdXNlcyBpdHMgb3duIERULCBzbyB3ZSBhcmUgbG9va2luZyBhdCBhIGtlcm5lbCBidWcgCmhl cmUuCgpOb3QgaGF2aW5nIHRoaXMgcGF0Y2ggYWxzbyBicmVha3MgbW9kdWxlIHJlaW5zZXJ0aW9u IChIRE1JIGNsb2NrcyBhcmUgCmRpc2FibGVkCm9uIHVuYmluZCksIHNvICpzb21ldGhpbmcqIGhh cyB0byBiZSBkb25lIGxhdGUuCgpTbyBoZXJlIGFyZSBteSBxdWVzdGlvbnM6Ci0gV2hhdCBicmVh a3MgaW4gbXkgY29uZmlnIHdoZW4gSSBib290IHVzaW5nIHUtYm9vdCdzIERUPwotIEhvdyB0byBk ZXRlY3QgZWFybHkgdGhhdCB0aGUgcmVnaXN0ZXJzIGFyZSBjbG9ja2VkIG9yIG5vdD8KClRoYW5r cywKCiAgICAgICAgIE0uCi0tIApKYXp6IGlzIG5vdCBkZWFkLiBJdCBqdXN0IHNtZWxscyBmdW5u eS4uLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGlu dXgtYXJtLWtlcm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRl YWQub3JnCmh0dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgt YXJtLWtlcm5lbAo= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C2E00C388F9 for ; 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SAEximRunCond expanded to false 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: kernelci-results@groups.io, Martin Blumenstingl , Guillaume Tucker , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie , Kevin Hilman , linux-amlogic@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Jerome Brunet Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" T24gMjAyMC0xMS0xOSAxMDoyNiwgTmVpbCBBcm1zdHJvbmcgd3JvdGU6Cj4gT24gMTkvMTEvMjAy MCAxMToyMCwgTWFyYyBaeW5naWVyIHdyb3RlOgo+PiBPbiAyMDIwLTExLTE5IDA4OjUwLCBHdWls bGF1bWUgVHVja2VyIHdyb3RlOgo+Pj4gUGxlYXNlIHNlZSB0aGUgYXV0b21hdGVkIGJpc2VjdGlv biByZXBvcnQgYmVsb3cgYWJvdXQgc29tZSBrZXJuZWwKPj4+IGVycm9ycyBvbiBtZXNvbi1neGJi LXAyMDAuCj4+PiAKPj4+IFJlcG9ydHMgYXJlbid0IGF1dG9tYXRpY2FsbHkgc2VudCB0byB0aGUg cHVibGljIHdoaWxlIHdlJ3JlCj4+PiB0cmlhbGluZyBuZXcgYmlzZWN0aW9uIGZlYXR1cmVzIG9u IGtlcm5lbGNpLm9yZywgaG93ZXZlciB0aGlzIG9uZQo+Pj4gbG9va3MgdmFsaWQuCj4+PiAKPj4+ IFRoZSBiaXNlY3Rpb24gc3RhcnRlZCB3aXRoIG5leHQtMjAyMDExMTggYnV0IHRoZSBlcnJvcnMg YXJlIHN0aWxsCj4+PiBwcmVzZW50IGluIG5leHQtMjAyMDExMTkuwqAgRGV0YWlscyBmb3IgdGhp cyByZWdyZXNzaW9uOgo+Pj4gCj4+PiDCoCBodHRwczovL2tlcm5lbGNpLm9yZy90ZXN0L2Nhc2Uv aWQvNWZiNjE5NmJmZDAxMjdmZDY4ZDhkOTAyLwo+Pj4gCj4+PiBUaGUgZmlyc3QgZXJyb3IgaXM6 Cj4+PiAKPj4+IMKgIFvCoMKgIDE0Ljc1NzQ4OV0gSW50ZXJuYWwgZXJyb3I6IHN5bmNocm9ub3Vz IGV4dGVybmFsIGFib3J0OiA5NjAwMDIxMAo+Pj4gWyMxXSBQUkVFTVBUIFNNUAo+PiAKPj4gTG9v a3MgbGlrZSB5ZXQgYW5vdGhlciBjbG9jayBvcmRlcmluZyBzZXR1cC4gSSBndWVzcyBkaWZmZXJl bnQgQW1sb2dpYwo+PiBwbGF0Zm9ybXMgaGF2ZSBzbGlnaHRseSBkaWZmZXJlbnQgb3JkZXJpbmcg cmVxdWlyZW1lbnRzLgo+PiAKPj4gTmVpbCwgZG8geW91IGhhdmUgYW55IGlkZWEgb2Ygd2hpY2gg cGxhdGZvcm0gcmVxdWlyZXMgd2hpY2ggb3JkZXJpbmc/Cj4+IFRoZSB2YXJpYWJpbGl0eSBpbiBE VCBhbmQgcGxhdGZvcm1zIGlzIHByZXR0eSBkaWZmaWN1bHQgdG8gZm9sbG93IChhbmQKPj4gSSBk b24ndCB0aGluayBJIGhhdmUgc3VjaCBib2FyZCBhcm91bmQpLgo+IAo+IFRoZSByZXF1aXJlbWVu dHMgc2hvdWxkIGJlIHRoZSBzYW1lLCBoZXJlIHRoZSBpbml0IHdhcyBkb25lIGJlZm9yZSAKPiBj YWxsaW5nCj4gZHdfaGRtaV9wcm9iZSB0byBiZSBzdXJlIHRoZSBjbG9ja3MgYW5kIGludGVybmFs cyByZXNldHMgd2VyZSAKPiBkZWFzc2VydGVkLgo+IEJ1dCBzaW5jZSB5b3UgYm9vdCBmcm9tIHUt Ym9vdCBhbHJlYWR5IGVuYWJsaW5nIHRoZXNlLCBpdCdzIGFscmVhZHkgCj4gYWN0aXZlLgoKVGhl IGNyYXNoaW5nIHBsYXRmb3JtIGFsc28gYm9vdHMgd2l0aCB1LWJvb3QuIFdoYXQgaXMgdGhlIGRp ZmZlcmVuY2U/Ck5vIEhETUkgc3VwcG9ydD8KCj4gVGhlIHNvbHV0aW9uIHdvdWxkIGJlIHRvIHJl dmVydCBhbmQgZG8gc29tZSBjaGVjayBpbiAKPiBtZXNvbl9kd19oZG1pX2luaXQoKSB0bwo+IGNo ZWNrIGlmIGFscmVhZHkgZW5hYmxlZCBhbmQgZG8gbm90aGluZy4KCkl0IGxvb2tzIG1vcmUgc3Vi dGxlIHRoYW4gdGhhdCwgYXMgaXQgYWxzbyBkZXBlbmRzIG9uIHdoaWNoIERUIGlzIApwcm92aWRl ZAooYW4gZWFybHkgbWVzb25fZHdfaGRtaV9pbml0KCkgd29ya3Mgd2l0aCB0aGUga2VybmVsIERU LCBhbmQgYnJlYWtzIHdpdGggCnRoZQp1LWJvb3QgRFQpLiBTbyB3aGF0ZXZlciBkaWZmZXJlbmNl IGlzIGJldHdlZW4gdGhlIHR3byBEVHMgY2F1c2VzIGhhdm9jLgp1LWJvb3Qgb2J2aW91c2x5IG9u bHkgdXNlcyBpdHMgb3duIERULCBzbyB3ZSBhcmUgbG9va2luZyBhdCBhIGtlcm5lbCBidWcgCmhl cmUuCgpOb3QgaGF2aW5nIHRoaXMgcGF0Y2ggYWxzbyBicmVha3MgbW9kdWxlIHJlaW5zZXJ0aW9u IChIRE1JIGNsb2NrcyBhcmUgCmRpc2FibGVkCm9uIHVuYmluZCksIHNvICpzb21ldGhpbmcqIGhh cyB0byBiZSBkb25lIGxhdGUuCgpTbyBoZXJlIGFyZSBteSBxdWVzdGlvbnM6Ci0gV2hhdCBicmVh a3MgaW4gbXkgY29uZmlnIHdoZW4gSSBib290IHVzaW5nIHUtYm9vdCdzIERUPwotIEhvdyB0byBk ZXRlY3QgZWFybHkgdGhhdCB0aGUgcmVnaXN0ZXJzIGFyZSBjbG9ja2VkIG9yIG5vdD8KClRoYW5r cywKCiAgICAgICAgIE0uCi0tIApKYXp6IGlzIG5vdCBkZWFkLiBJdCBqdXN0IHNtZWxscyBmdW5u eS4uLgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmkt ZGV2ZWwgbWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWwK From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2597C388F9 for ; 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s=default; t=1605785589; bh=IwzuzZJdgwM/mSCg/YGq4DFiccAa0AMjMOfLhF3JG8I=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=KSMYoLedOZpStbTVjCff3VA/bScZg/ZBa6KN2hth62ft0nkMImZm0kHTF5TDUuxCj 8rQwrf/w655P5dRXoelEcF1FC8r9D+7nMXVCDEv3HaDhKKjvQJ9u9NmQg1lZbGu2BT Z8cIAWKKIxlLFh7MZ+3urSr8owbFL0odZfYyGCpI= Received: from disco-boy.misterjones.org ([51.254.78.96] helo=www.loen.fr) by disco-boy.misterjones.org with esmtpsa (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (Exim 4.94) (envelope-from ) id 1kfiBW-00Bw2g-MO; Thu, 19 Nov 2020 11:33:06 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Date: Thu, 19 Nov 2020 11:33:06 +0000 From: Marc Zyngier To: Neil Armstrong Cc: Guillaume Tucker , kernelci-results@groups.io, Kevin Hilman , Jerome Brunet , linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, Martin Blumenstingl , David Airlie , Daniel Vetter , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: Re: next/master bisection: baseline.dmesg.emerg on meson-gxbb-p200 In-Reply-To: <3f54de27-0fef-c5a1-8991-0a0614c90667@baylibre.com> References: <5fb5e094.1c69fb81.a2014.2e62@mx.google.com> <630e00e83cdd07ee5a0eaba9d3479554@kernel.org> <3f54de27-0fef-c5a1-8991-0a0614c90667@baylibre.com> User-Agent: Roundcube Webmail/1.4.9 Message-ID: <48731911dbbe869a6d3bdafd819fa9ff@kernel.org> X-Sender: maz@kernel.org X-SA-Exim-Connect-IP: 51.254.78.96 X-SA-Exim-Rcpt-To: narmstrong@baylibre.com, guillaume.tucker@collabora.com, kernelci-results@groups.io, khilman@baylibre.com, jbrunet@baylibre.com, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, martin.blumenstingl@googlemail.com, airlied@linux.ie, daniel@ffwll.ch, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2020-11-19 10:26, Neil Armstrong wrote: > On 19/11/2020 11:20, Marc Zyngier wrote: >> On 2020-11-19 08:50, Guillaume Tucker wrote: >>> Please see the automated bisection report below about some kernel >>> errors on meson-gxbb-p200. >>> >>> Reports aren't automatically sent to the public while we're >>> trialing new bisection features on kernelci.org, however this one >>> looks valid. >>> >>> The bisection started with next-20201118 but the errors are still >>> present in next-20201119.  Details for this regression: >>> >>>   https://kernelci.org/test/case/id/5fb6196bfd0127fd68d8d902/ >>> >>> The first error is: >>> >>>   [   14.757489] Internal error: synchronous external abort: 96000210 >>> [#1] PREEMPT SMP >> >> Looks like yet another clock ordering setup. I guess different Amlogic >> platforms have slightly different ordering requirements. >> >> Neil, do you have any idea of which platform requires which ordering? >> The variability in DT and platforms is pretty difficult to follow (and >> I don't think I have such board around). > > The requirements should be the same, here the init was done before > calling > dw_hdmi_probe to be sure the clocks and internals resets were > deasserted. > But since you boot from u-boot already enabling these, it's already > active. The crashing platform also boots with u-boot. What is the difference? No HDMI support? > The solution would be to revert and do some check in > meson_dw_hdmi_init() to > check if already enabled and do nothing. It looks more subtle than that, as it also depends on which DT is provided (an early meson_dw_hdmi_init() works with the kernel DT, and breaks with the u-boot DT). So whatever difference is between the two DTs causes havoc. u-boot obviously only uses its own DT, so we are looking at a kernel bug here. Not having this patch also breaks module reinsertion (HDMI clocks are disabled on unbind), so *something* has to be done late. So here are my questions: - What breaks in my config when I boot using u-boot's DT? - How to detect early that the registers are clocked or not? Thanks, M. -- Jazz is not dead. It just smells funny...