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 90B32C44536 for ; Thu, 22 Jan 2026 00:04:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 50F5810E8A0; Thu, 22 Jan 2026 00:04:22 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=lankhorst.se header.i=@lankhorst.se header.b="JP7GXlrj"; dkim-atps=neutral Received: from lankhorst.se (lankhorst.se [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id 1190F10E059; Thu, 22 Jan 2026 00:04:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lankhorst.se; s=default; t=1769040259; bh=hfuiKbZoiFCdq6MXoxyC1QnOf4JbUHSRhvGeWVtO/UA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JP7GXlrjFgJi/05kaBJel+xBkrdI8uMNe1oR7nbLWFJQ2c8b5ITjL7pwbOUq+/kh/ BsRBbkB0nIAtvMXOY8g/HmL/idTu250G9g9sQZR9SGHSsWYmogX/S2cvEV9I8DzlMY cDVao/aWfdP+wu8RO4/tTxzkPqdYhU219AbTLV0dRyyAboyUc4BbttW4LfmTp1PozW 7Dj2zg6m/0Jh0vCd2ShgXkmdnX0CHwfghumMXgP/Hh/nPDtL74KpwVkRouzCKWQ2av 8RtWvHkjxocqDJBz8/tXn3oPqEET7bsoDXUuwHb2GzRGrGjBmRuHSmXJlzZjj96obP 4aYm1A3cDeX4g== From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: Maarten Lankhorst Subject: [i915-rt v5] FOR-CI: try bumping MAX_STACK_TRACE_ENTRIES? Date: Thu, 22 Jan 2026 01:04:17 +0100 Message-ID: <20260122000417.673729-1-dev@lankhorst.se> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260121165656.660250-1-dev@lankhorst.se> References: <20260121165656.660250-1-dev@lankhorst.se> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" We're hitting a bug in CI where MAX_STACK_TRACE_ENTRIES is set too low. My guess is the repeated loading/unloading is creating multiples of the same entries. As a hack just reset lockdep. This might only be necessary for CI + PREEMPT_RT. Signed-off-by: Maarten Lankhorst --- lib/Kconfig.debug | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1e1776049a84e..e8da58d2bf5c8 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1545,8 +1545,8 @@ config LOCKDEP_CHAINS_BITS config LOCKDEP_STACK_TRACE_BITS int "Size for MAX_STACK_TRACE_ENTRIES (as Nth power of 2)" depends on LOCKDEP && !LOCKDEP_SMALL - range 10 26 - default 19 + range 22 26 + default 22 help Try increasing this value if you hit "BUG: MAX_STACK_TRACE_ENTRIES too low!" message. -- 2.51.0