[{"id":38922,"web_url":"https://patchwork.libcamera.org/comment/38922/","msgid":"<8e1f2ded-691b-490c-b185-34b254439283@linaro.org>","date":"2026-05-19T15:56:02","subject":"Re: [PATCH v2 2/4] egl: Demote an error log to debug","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/people/175/","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"content":"On 18/05/2026 21:15, Robert Mader wrote:\n> In order to avoid flodding logs in cases where import failure is an\n> expected result.\n> \n> Signed-off-by: Robert Mader \n> ---\n> src/libcamera/egl.cpp | 2 +-\n> 1 file changed, 1 insertion(+), 1 deletion(-)\n> \n> diff --git a/src/libcamera/egl.cpp b/src/libcamera/egl.cpp\n> index b8f5d9b85..df4eec757 100644\n> --- a/src/libcamera/egl.cpp\n> +++ b/src/libcamera/egl.cpp\n> @@ -152,7 +152,7 @@ int eGL::createDMABufTexture2D(eGLImage &eglImage, int fd, bool output)\n> \t\t\t\t\t NULL, image_attrs);\n> \n> \tif (image == EGL_NO_IMAGE_KHR) {\n> -\t\tLOG(eGL, Error) << \"eglCreateImageKHR fail\";\n> +\t\tLOG(eGL, Debug) << \"eglCreateImageKHR fail\";\n> \t\treturn -ENODEV;\n> \t}\n> \n> --\n> 2.54.0\n> \n\nWhy is import failure an expected result ... ?\n\n---\nbod","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id ED037BDCBD\n\tfor ;\n\tTue, 19 May 2026 15:56:04 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 9F48062FEC;\n\tTue, 19 May 2026 17:56:04 +0200 (CEST)","from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com\n\t[IPv6:2a00:1450:4864:20::42d])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id D90C962DC4\n\tfor ;\n\tTue, 19 May 2026 17:56:03 +0200 (CEST)","by mail-wr1-x42d.google.com with SMTP id\n\tffacd0b85a97d-449de065cb3so3516209f8f.2\n\tfor ;\n\tTue, 19 May 2026 08:56:03 -0700 (PDT)","from [192.168.0.35] ([51.37.145.233])\n\tby smtp.gmail.com with ESMTPSA id\n\tffacd0b85a97d-45d9adc2209sm43314696f8f.0.2026.05.19.08.56.02\n\t(version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128);\n\tTue, 19 May 2026 08:56:02 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tTue, 19 May 2026 08:56:03 -0700 (PDT)","Message-ID":"<8e1f2ded-691b-490c-b185-34b254439283@linaro.org>","Date":"Tue, 19 May 2026 16:56:02 +0100","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v2 2/4] egl: Demote an error log to debug","To":"Robert Mader ,\n\tlibcamera-devel@lists.libcamera.org","References":"<20260518201508.140849-1-robert.mader@collabora.com>\n\t\n\t<20260518201508.140849-3-robert.mader@collabora.com>","Content-Language":"en-US","From":"Bryan O'Donoghue ","In-Reply-To":"<20260518201508.140849-3-robert.mader@collabora.com>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":38925,"web_url":"https://patchwork.libcamera.org/comment/38925/","msgid":"","date":"2026-05-19T19:20:54","subject":"Re: [PATCH v2 2/4] egl: Demote an error log to debug","submitter":{"id":30,"url":"https://patchwork.libcamera.org/api/people/30/","name":"Nicolas Dufresne","email":"nicolas@ndufresne.ca"},"content":"Le mardi 19 mai 2026 à 16:56 +0100, Bryan O'Donoghue a écrit :\n> On 18/05/2026 21:15, Robert Mader wrote:\n> > In order to avoid flodding logs in cases where import failure is an\n> > expected result.\n> > \n> > Signed-off-by: Robert Mader \n> > ---\n> >   src/libcamera/egl.cpp | 2 +-\n> >   1 file changed, 1 insertion(+), 1 deletion(-)\n> > \n> > diff --git a/src/libcamera/egl.cpp b/src/libcamera/egl.cpp\n> > index b8f5d9b85..df4eec757 100644\n> > --- a/src/libcamera/egl.cpp\n> > +++ b/src/libcamera/egl.cpp\n> > @@ -152,7 +152,7 @@ int eGL::createDMABufTexture2D(eGLImage &eglImage, int fd, bool output)\n> >   \t\t\t\t\t      NULL, image_attrs);\n> > \n> >   \tif (image == EGL_NO_IMAGE_KHR) {\n> > -\t\tLOG(eGL, Error) << \"eglCreateImageKHR fail\";\n> > +\t\tLOG(eGL, Debug) << \"eglCreateImageKHR fail\";\n> >   \t\treturn -ENODEV;\n> >   \t}\n> > \n> > --\n> > 2.54.0\n> > \n> \n> Why is import failure an expected result ... ?\n\nThis is globally a fact that importing a dmabuf may fait due to constraints only\nknown by the Linux driver. For this reason we have fallback code which makes it\nwork using a slower path. If the fallback worked and you printed an error, it\nwill be confusing and spam-my.\n\nNicolas","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 8B7E5BDCBD\n\tfor ;\n\tTue, 19 May 2026 19:21:01 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 9B17B62FEC;\n\tTue, 19 May 2026 21:21:00 +0200 (CEST)","from mail-yw1-x1131.google.com (mail-yw1-x1131.google.com\n\t[IPv6:2607:f8b0:4864:20::1131])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 992E062FE8\n\tfor ;\n\tTue, 19 May 2026 21:20:58 +0200 (CEST)","by mail-yw1-x1131.google.com with SMTP id\n\t00721157ae682-7b6ae2ea4a1so36954467b3.2\n\tfor ;\n\tTue, 19 May 2026 12:20:58 -0700 (PDT)","from ?IPv6:2606:6d00:15:e06b:3a7c:76ff:fea1:2ac0?\n\t([2606:6d00:15:e06b:3a7c:76ff:fea1:2ac0])\n\tby smtp.gmail.com with ESMTPSA id\n\t00721157ae682-7cc9d18c769sm41454027b3.47.2026.05.19.12.20.56\n\t(version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n\tTue, 19 May 2026 12:20:56 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; 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\n\tTue, 19 May 2026 12:20:57 -0700 (PDT)","Message-ID":"","Subject":"Re: [PATCH v2 2/4] egl: Demote an error log to debug","From":"Nicolas Dufresne ","To":"Bryan O'Donoghue , Robert Mader\n\t, libcamera-devel@lists.libcamera.org","Date":"Tue, 19 May 2026 15:20:54 -0400","In-Reply-To":"<8e1f2ded-691b-490c-b185-34b254439283@linaro.org>","References":"<20260518201508.140849-1-robert.mader@collabora.com>\n\t\n\t<20260518201508.140849-3-robert.mader@collabora.com>\n\t<8e1f2ded-691b-490c-b185-34b254439283@linaro.org>","Autocrypt":"addr=nicolas@ndufresne.ca; prefer-encrypt=mutual;\n\tkeydata=mDMEaCN2ixYJKwYBBAHaRw8BAQdAM0EHepTful3JOIzcPv6ekHOenE1u0vDG1gdHFrChD\n\t/e0J05pY29sYXMgRHVmcmVzbmUgPG5pY29sYXNAbmR1ZnJlc25lLmNhPoicBBMWCgBEAhsDBQsJCA\n\tcCAiICBhUKCQgLAgQWAgMBAh4HAheABQkJZfd1FiEE7w1SgRXEw8IaBG8S2UGUUSlgcvQFAmibrjo\n\tCGQEACgkQ2UGUUSlgcvQlQwD/RjpU1SZYcKG6pnfnQ8ivgtTkGDRUJ8gP3fK7+XUjRNIA/iXfhXMN\n\tabIWxO2oCXKf3TdD7aQ4070KO6zSxIcxgNQFtDFOaWNvbGFzIER1ZnJlc25lIDxuaWNvbGFzLmR1Z\n\tnJlc25lQGNvbGxhYm9yYS5jb20+iJkEExYKAEECGwMFCwkIBwICIgIGFQoJCAsCBBYCAwECHgcCF4\n\tAWIQTvDVKBFcTDwhoEbxLZQZRRKWBy9AUCaCyyxgUJCWX3dQAKCRDZQZRRKWBy9ARJAP96pFmLffZ\n\tsmBUpkyVBfFAf+zq6BJt769R0al3kHvUKdgD9G7KAHuioxD2v6SX7idpIazjzx8b8rfzwTWyOQWHC\n\tAAS0LU5pY29sYXMgRHVmcmVzbmUgPG5pY29sYXMuZHVmcmVzbmVAZ21haWwuY29tPoiZBBMWCgBBF\n\tiEE7w1SgRXEw8IaBG8S2UGUUSlgcvQFAmibrGYCGwMFCQll93UFCwkIBwICIgIGFQoJCAsCBBYCAw\n\tECHgcCF4AACgkQ2UGUUSlgcvRObgD/YnQjfi4+L8f4fI7p1pPMTwRTcaRdy6aqkKEmKsCArzQBAK8\n\tbRLv9QjuqsE6oQZra/RB4widZPvphs78H0P6NmpIJ","Content-Type":"multipart/signed; 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a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1779219707;\n\ts=zohomail; d=collabora.com; i=robert.mader@collabora.com;\n\th=Message-ID:Date:Date:MIME-Version:Subject:Subject:To:To:References:From:From:In-Reply-To:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To:Cc;\n\tbh=E9Q8pT7YrXxUudbyerIv3Tp3fyhWRnZwKXweKrj6Hx0=;\n\tb=hL409Y+sb9PVZPRUy7fsEZ6Vi1AC4KcvU1/Ywt8D76KavqtCUEHvUxlwBGbvbZbL\n\tCRy5dpZRlpqAcYwQttG9ds1bxQFQK+7XslTjZ9ZvQ66eE/uXgYAjtZ0OGKoJ+QRA6O/\n\tl+oKjcDKZEUS2VX6G6zBLwBxj+0Cam0jOAm8eNQQ=","Message-ID":"","Date":"Tue, 19 May 2026 21:41:43 +0200","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v2 2/4] egl: Demote an error log to debug","To":"Bryan O'Donoghue ,\n\tlibcamera-devel@lists.libcamera.org","References":"<20260518201508.140849-1-robert.mader@collabora.com>\n\t\n\t<20260518201508.140849-3-robert.mader@collabora.com>\n\t<8e1f2ded-691b-490c-b185-34b254439283@linaro.org>","Content-Language":"en-US, de-DE, en-GB","From":"Robert Mader ","In-Reply-To":"<8e1f2ded-691b-490c-b185-34b254439283@linaro.org>","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"7bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}},{"id":38934,"web_url":"https://patchwork.libcamera.org/comment/38934/","msgid":"<5ebe33ea-c77c-475f-813b-0289de113c20@linaro.org>","date":"2026-05-20T08:45:53","subject":"Re: [PATCH v2 2/4] egl: Demote an error log to debug","submitter":{"id":175,"url":"https://patchwork.libcamera.org/api/people/175/","name":"Bryan O'Donoghue","email":"bryan.odonoghue@linaro.org"},"content":"On 19/05/2026 20:20, Nicolas Dufresne wrote:\n> Le mardi 19 mai 2026 à 16:56 +0100, Bryan O'Donoghue a écrit :\n>> On 18/05/2026 21:15, Robert Mader wrote:\n>>> In order to avoid flodding logs in cases where import failure is an\n>>> expected result.\n>>>\n>>> Signed-off-by: Robert Mader \n>>> ---\n>>>   src/libcamera/egl.cpp | 2 +-\n>>>   1 file changed, 1 insertion(+), 1 deletion(-)\n>>>\n>>> diff --git a/src/libcamera/egl.cpp b/src/libcamera/egl.cpp\n>>> index b8f5d9b85..df4eec757 100644\n>>> --- a/src/libcamera/egl.cpp\n>>> +++ b/src/libcamera/egl.cpp\n>>> @@ -152,7 +152,7 @@ int eGL::createDMABufTexture2D(eGLImage &eglImage, int fd, bool output)\n>>>   \t\t\t\t\t      NULL, image_attrs);\n>>>\n>>>   \tif (image == EGL_NO_IMAGE_KHR) {\n>>> -\t\tLOG(eGL, Error) << \"eglCreateImageKHR fail\";\n>>> +\t\tLOG(eGL, Debug) << \"eglCreateImageKHR fail\";\n>>>   \t\treturn -ENODEV;\n>>>   \t}\n>>>\n>>> --\n>>> 2.54.0\n>>>\n>>\n>> Why is import failure an expected result ... ?\n> \n> This is globally a fact that importing a dmabuf may fait due to constraints only\n> known by the Linux driver. For this reason we have fallback code which makes it\n> work using a slower path. If the fallback worked and you printed an error, it\n> will be confusing and spam-my.\n> \n> Nicolas\n\nSo long as the fallback gives a meaningful deterministic fail string \nthen, that's fine.\n\n---\nbod","headers":{"Return-Path":"","X-Original-To":"parsemail@patchwork.libcamera.org","Delivered-To":"parsemail@patchwork.libcamera.org","Received":["from lancelot.ideasonboard.com (lancelot.ideasonboard.com\n\t[92.243.16.209])\n\tby patchwork.libcamera.org (Postfix) with ESMTPS id 2F7F4BDCBD\n\tfor ;\n\tWed, 20 May 2026 08:45:58 +0000 (UTC)","from lancelot.ideasonboard.com (localhost [IPv6:::1])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTP id 3249A63021;\n\tWed, 20 May 2026 10:45:57 +0200 (CEST)","from mail-ed1-x531.google.com (mail-ed1-x531.google.com\n\t[IPv6:2a00:1450:4864:20::531])\n\tby lancelot.ideasonboard.com (Postfix) with ESMTPS id 72E0D6175A\n\tfor ;\n\tWed, 20 May 2026 10:45:55 +0200 (CEST)","by mail-ed1-x531.google.com with SMTP id\n\t4fb4d7f45d1cf-6804e24803bso10304852a12.1\n\tfor ;\n\tWed, 20 May 2026 01:45:55 -0700 (PDT)","from [192.168.0.35] ([109.76.255.129])\n\tby smtp.gmail.com with ESMTPSA id\n\ta640c23a62f3a-bd4f4ded942sm825545766b.36.2026.05.20.01.45.53\n\t(version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128);\n\tWed, 20 May 2026 01:45:54 -0700 (PDT)"],"Authentication-Results":"lancelot.ideasonboard.com; dkim=pass (2048-bit key;\n\tunprotected) header.d=linaro.org header.i=@linaro.org\n\theader.b=\"Znib/Pt3\"; dkim-atps=neutral","DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=linaro.org; s=google; t=1779266755; x=1779871555;\n\tdarn=lists.libcamera.org; \n\th=content-transfer-encoding:in-reply-to:from:content-language\n\t:references:to:subject:user-agent:mime-version:date:message-id:from\n\t:to:cc:subject:date:message-id:reply-to;\n\tbh=Z+DAmvw4cejLtOHhIXMJe/vfThiLNtqrdCjJvJdK868=;\n\tb=Znib/Pt334W7MfL/PPU1bm+yWSmvX8k8iNeGNOan+CjI7A6aujkil7Wbm6Ow/Fy24Y\n\tF2bqGW3sQrbzpJKZuBr/WjUFhs0KXnG0xbaoAVmJXCvxHPsKjvJRvSgsgXNYE0PWx7vh\n\tkks4NvnIBLTuYM/M7YAYAEW23iKjbCKwxKLbbCemRJbnNGrot1GjSxe1iyBpwgSaOoqF\n\t+9w39I1BkWQldK4iGcluxc+LtZ9Yoqmp5ny3ZPjEzhhQNHsiEFOKOVr+n+Avx6e4cEZQ\n\tAaLSHnfFhi9AWNfbJXj2+UQrrtsjtRWQL6AE0thRYyXXFJ8U7f8eP5MaqyKLUZWz4++k\n\twRSA==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20251104; t=1779266755; x=1779871555;\n\th=content-transfer-encoding:in-reply-to:from:content-language\n\t:references:to:subject:user-agent:mime-version:date:message-id\n\t:x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id\n\t:reply-to;\n\tbh=Z+DAmvw4cejLtOHhIXMJe/vfThiLNtqrdCjJvJdK868=;\n\tb=Y8Fk3tztqVVcvuAb31TxGP1hn5iwVOyIhd5TNQcQkNCOHDtv5p0JVHZ0JVxL8SyzsL\n\tkGssZ7+eeZYj3D5Y61EtQheTH3zzECFuRgcHYRFKYzo0oc0hoWveSLGFnBJhvvc+h7VG\n\tjk5rtfsu7SThWiJ18AH1P194uUodew7FppyAGAsMGxrJT4KA2bU7OEeMgdrWz+AA8a7z\n\tYB8Ur54/ss7g3a7Q0dFGSqw2ASAC7ixgiEsWgXxZNx6iyNozQYl5PDNZ2jdK7iVzCJ+E\n\taCbA24ta1jMQ94bsfHE201I2K9Pbb4fUmca1E1BtlLelzQpvsGzC3UmRfhdkVCWEcWKb\n\tlWxA==","X-Forwarded-Encrypted":"i=1;\n\tAFNElJ9TXdrB7BeQxWc3OmNXTxwiyIP5zTj4OvmGl+iUr52sm8Y8brMJCOeXVSD8EMjx3pZBaG6/s6/XCNEedLnw8GM=@lists.libcamera.org","X-Gm-Message-State":"AOJu0YwqOFJ64xHnAU2CAUPuZ73RmBut9+2ZHCVaJIdEAWkpEoSASOmc\n\tqgLrkfJmYDSDm/+tD6unkijxQXsVX/EFF4QxKkH7x/vK7ABcycOzXbeHNljOPbAPE0w=","X-Gm-Gg":"Acq92OEB+/IfmGDoHGSTRSrkDRq1/8kD2ByNU/dNH8xYcRRRO7sM5eAzSxpYHpHBT4o\n\tVjAMvykJkeHy57TSZnBL2H4Z9kf1cT5Gi1OctPYQUL+cQu5bKsma5lmYQ7isFwoGlisUI4u/9QZ\n\t7hgcfTdI9uO9gVMCQTQnEVDZvISw2VGtD1xN9O7V6lxVdmc6yC6VPGJvivIL2YG3S14T34yrpw2\n\tWL8OKmdBDYhphk78GLWaKXXsHNNRclrzvt8lI53W+WKyPeQgfXc/pHrc5LlTU9/ICMomdeTjCba\n\tP+novB2Lew1jsFuqOY6DNCCry8dF++Zs3IEhTMg7mjoGAnn45okCMoHfYlVec6jI1hdcKkG+BPt\n\tmIlTxkPcVlL+f180uZ7t5EUIEpmNALzUvbwoTIhkWtiIs/q4mZkfH1xRmHWzis20v0gNoMfkNRe\n\tnPHRBq7n3k7i7sSBdwitcdoVbVH2ti2KhmFKK888XsgH2I3A==","X-Received":"by 2002:a17:907:c986:b0:bd4:4593:33b9 with SMTP id\n\ta640c23a62f3a-bd517906724mr1060687866b.29.1779266754608; \n\tWed, 20 May 2026 01:45:54 -0700 (PDT)","Message-ID":"<5ebe33ea-c77c-475f-813b-0289de113c20@linaro.org>","Date":"Wed, 20 May 2026 09:45:53 +0100","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH v2 2/4] egl: Demote an error log to debug","To":"Nicolas Dufresne ,\n\tRobert Mader ,\n\tlibcamera-devel@lists.libcamera.org","References":"<20260518201508.140849-1-robert.mader@collabora.com>\n\t\n\t<20260518201508.140849-3-robert.mader@collabora.com>\n\t<8e1f2ded-691b-490c-b185-34b254439283@linaro.org>\n\t","Content-Language":"en-US","From":"Bryan O'Donoghue ","In-Reply-To":"","Content-Type":"text/plain; charset=UTF-8; format=flowed","Content-Transfer-Encoding":"8bit","X-BeenThere":"libcamera-devel@lists.libcamera.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"","List-Unsubscribe":",\n\t","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n\t","Errors-To":"libcamera-devel-bounces@lists.libcamera.org","Sender":"\"libcamera-devel\" "}}]