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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7B540E9A02C for ; Wed, 18 Feb 2026 16:44:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0F0C989A5D; Wed, 18 Feb 2026 16:44:42 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="aJj1lvjo"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2FF9E88FBD for ; Wed, 18 Feb 2026 16:44:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1771433080; x=1802969080; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=fIQKz3CZbjikrdVhnnoFh1hnawb4ZFtDIqHjg8MlNwI=; b=aJj1lvjo9yC0358pN0U+RwEMUPR0mZl/TdKUnlZGv3W8wd2cnypjFaBn 1cZ02hX1rLYdn2KV5VZ8rUi655rgIFf1S5mYnXFoizOK8JtmZCwe9Yzu1 cwNtFKmNm6U6pwNwFyP7c3Mmp0negm6/qaBImQ7AVWK2a4tJjnf8erril GWPvMW031nunDra2eRdEk8M+q/NCJie04JYRN8b0sKNqt2dXGkwtKkP2+ kSEOo8f+gHvTWEV6V++6jD9sfikQSEZMffNF05cRiyZ9p/iwKRwuLrf7Z OtVkRc22bZBJ39IYvbiXQbrk6PWaREosdb+muAvGi+7Way0MCd3FcEIb/ Q==; X-CSE-ConnectionGUID: sKEofFs2QwKt/bZvbOrn8Q== X-CSE-MsgGUID: wHx7kge1QKuK0C/q8z7tvw== X-IronPort-AV: E=McAfee;i="6800,10657,11705"; a="72555933" X-IronPort-AV: E=Sophos;i="6.21,298,1763452800"; d="scan'208";a="72555933" Received: from orviesa001.jf.intel.com ([10.64.159.141]) by orvoesa110.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2026 08:44:40 -0800 X-CSE-ConnectionGUID: 2ukoHBLhTc+BCSn17BKaUA== X-CSE-MsgGUID: imcEJRtcSECyfbSRV7v7+g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,298,1763452800"; d="scan'208";a="251936452" Received: from dut6245dg2frd.fm.intel.com ([10.80.54.109]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Feb 2026 08:44:40 -0800 From: Sobin Thomas To: igt-dev@lists.freedesktop.org Cc: nishit.sharma@intel.com, Sobin Thomas Subject: [PATCH i-g-t 0/1] tests/xe_vm: Add oversubscribe concurrent bind stress test Date: Wed, 18 Feb 2026 16:44:16 +0000 Message-ID: <20260218164417.856114-1-sobin.thomas@intel.com> X-Mailer: git-send-email 2.52.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Add an xe_vm subtest that oversubscribes VRAM and issues concurrent binds into a single VM (scratch-page mode) to reproduce the dma-resv/bind race found under memory pressure. Prior coverage lacked any case that combined multi-process bind pressure with VRAM oversubscription, so bind/submit could panic (NULL deref in xe_pt_stage_bind) instead of failing cleanly. The new test expects successful completion or ENOMEM/EDEADLK. Sobin Thomas (1): tests/xe_vm: Add oversubscribe concurrent bind stress tests/intel/xe_vm.c | 421 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 421 insertions(+) -- 2.52.0