From nobody Sun Apr 12 00:55:06 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=dmitry.osipenko@collabora.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=collabora.com); dmarc=pass(p=none dis=none) header.from=collabora.com ARC-Seal: i=2; a=rsa-sha256; t=1772551160; cv=pass; d=zohomail.com; s=zohoarc; b=d8+K1cO5+9hnF2dK0KoGRQvbLjmrYynxaVmKXtpif3YOlnfE1pfISD19cGvlQtO1dhZ4epfPEXMoEeLTbqFpJzjRNB5ljjlku7/NnxcWnDd1b0GP8mkkWze+ak3bwc5f80aqA7uW9qKBQfMAcO3nGRqSDcpkgBOZ2sOlk+aX0C0= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772551160; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=f9oK+2APvodn7PKKsZx9hTGNmRYBJNaFz8t6gq1/y74=; b=Sc4DudDMKNgbZESQFViMH3o/OztS+7w2RLVzBw4guxg90RHa1rsAVayZPPZOMiIPGfgfTlYWpQrN/4HVU6ChRkZNwzIAeMaj5YpS796Dk6IJvMSKn+1LexwivPRor+8ZNWb/pClJ63iPYmsA6XuQe0i+1xpSd3RHq8aLNbHfEsE= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass header.i=dmitry.osipenko@collabora.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=collabora.com); dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1772551160566806.6825219021805; Tue, 3 Mar 2026 07:19:20 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vxRWn-00076d-Q2; Tue, 03 Mar 2026 10:19:17 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vxRVT-0005y4-QF for qemu-devel@nongnu.org; Tue, 03 Mar 2026 10:17:55 -0500 Received: from sender4-pp-f112.zoho.com ([136.143.188.112]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vxRVO-0005IQ-Hm for qemu-devel@nongnu.org; Tue, 03 Mar 2026 10:17:53 -0500 Received: by mx.zohomail.com with SMTPS id 1772550992007683.577562181342; Tue, 3 Mar 2026 07:16:32 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1772550994; cv=none; d=zohomail.com; s=zohoarc; b=hSVd03pWsENbtOmDUxlT7/q3Csxu3+piAhYyAlSD4zOYtsAYE5JmD8CbecuKYgs/erBlHP/+IOez2BVbxymLj49N1KfKWhDMBOEr3d41E6190TVQMItqE1R4MTkFQyuns6VnYCwVzVgGYNUa7TH0mE1CjM4Y6pDNjYVB9CzRKiQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1772550994; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=f9oK+2APvodn7PKKsZx9hTGNmRYBJNaFz8t6gq1/y74=; b=ek+nm848YdjoSzOVtkDvnHVl+AvvNVpK55EE5v0saPDxrClvEtegl/k6GCzKv+ITcB3kg4tRCHUr9NXRxTgTLPGnsKajZOyJoJmWYFeYTDCGNJgoiKUHI+WysL5yEDSwrXYHv9JHh0TW03mcIpnV0TQP9NMxv3I078kA7BFb7fY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=dmitry.osipenko@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1772550994; s=zohomail; d=collabora.com; i=dmitry.osipenko@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Reply-To; bh=f9oK+2APvodn7PKKsZx9hTGNmRYBJNaFz8t6gq1/y74=; b=YDfW49w6L1k7+yvc+c+dUzd7s2Qf77o/zwNCQdC2bZFt5fmwFPIYVArmX7pCnRye 8xvQC/OYSErBC/nMb+Z36M9dd32PP4yHvpEcCJfga0dW6SHpONC3hRS4H/b3HcVTbyp LjQboita0riBHE0P/xXrXc86MErZLTuh5gp+E7JM= From: Dmitry Osipenko To: Akihiko Odaki , Huang Rui , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Pierre-Eric Pelloux-Prayer , "Michael S . Tsirkin" , Paolo Bonzini , Yiwei Zhang , Sergio Lopez Pascual Cc: Gert Wollny , qemu-devel@nongnu.org, Gurchetan Singh , Alyssa Ross , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Alex Deucher , Stefano Stabellini , =?UTF-8?q?Christian=20K=C3=B6nig?= , Xenia Ragiadakou , Honglei Huang , Julia Zhang , Chen Jiqian , Rob Clark , Robert Beckett Subject: [PATCH v22 08/18] virtio-gpu: Handle virgl fence creation errors Date: Tue, 3 Mar 2026 18:14:11 +0300 Message-ID: <20260303151422.977399-9-dmitry.osipenko@collabora.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260303151422.977399-1-dmitry.osipenko@collabora.com> References: <20260303151422.977399-1-dmitry.osipenko@collabora.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=136.143.188.112; envelope-from=dmitry.osipenko@collabora.com; helo=sender4-pp-f112.zoho.com X-Spam_score_int: -5 X-Spam_score: -0.6 X-Spam_bar: / X-Spam_report: (-0.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.322, RCVD_IN_VALIDITY_SAFE_BLOCKED=1.141, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity dmitry.osipenko@collabora.com) X-ZM-MESSAGEID: 1772551162232154100 Print out error messages when virgl fence creation fails to aid debugging of the fence-related bugs. Reviewed-by: Akihiko Odaki Acked-by: Michael S. Tsirkin Tested-by: Alex Benn=C3=A9e Acked-by: Pierre-Eric Pelloux-Prayer Reviewed-by: Yiwei Zhang Tested-by: Yiwei Zhang Signed-off-by: Dmitry Osipenko --- hw/display/virtio-gpu-virgl.c | 27 ++++++++++++++++++++++----- 1 file changed, 22 insertions(+), 5 deletions(-) diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index 10c4b5160f40..f00c666f61f4 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -900,6 +900,7 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, struct virtio_gpu_ctrl_command *cmd) { bool cmd_suspended =3D false; + int ret; =20 VIRTIO_GPU_FILL_CMD(cmd->cmd_hdr); =20 @@ -1000,14 +1001,30 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, trace_virtio_gpu_fence_ctrl(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); #if VIRGL_VERSION_MAJOR >=3D 1 if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_INFO_RING_IDX) { - virgl_renderer_context_create_fence(cmd->cmd_hdr.ctx_id, - VIRGL_RENDERER_FENCE_FLAG_MERG= EABLE, - cmd->cmd_hdr.ring_idx, - cmd->cmd_hdr.fence_id); + const uint32_t flags =3D VIRGL_RENDERER_FENCE_FLAG_MERGEABLE; + + ret =3D virgl_renderer_context_create_fence(cmd->cmd_hdr.ctx_id, f= lags, + cmd->cmd_hdr.ring_idx, + cmd->cmd_hdr.fence_id); + if (ret) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: virgl_renderer_context_create_fence error: = %s", + __func__, strerror(-ret)); + } return; } #endif - virgl_renderer_create_fence(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); + + /* + * Unlike other virglrenderer functions, this one returns a positive + * error code. + */ + ret =3D virgl_renderer_create_fence(cmd->cmd_hdr.fence_id, 0); + if (ret) { + qemu_log_mask(LOG_GUEST_ERROR, + "%s: virgl_renderer_create_fence error: %s", + __func__, strerror(ret)); + } } =20 static void virgl_write_fence(void *opaque, uint32_t fence) --=20 2.52.0