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 04955C55164 for ; Fri, 20 Feb 2026 08:37:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9750910E7ED; Fri, 20 Feb 2026 08:37:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=lankhorst.se header.i=@lankhorst.se header.b="Ygd+mLi5"; dkim-atps=neutral Received: from lankhorst.se (unknown [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id C3FEC10E7EB; Fri, 20 Feb 2026 08:37:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=lankhorst.se; s=default; t=1771576668; bh=hfuiKbZoiFCdq6MXoxyC1QnOf4JbUHSRhvGeWVtO/UA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ygd+mLi51GLCi0eC2c+EoXxZSORJlds+tSDj0V3QLkVeEorJD2DUr2uJ4vJyndfDZ xep0YcFkzuAhp7cUUySMvTVXuVxnh2bh74hk0ueugoiu4ug24k3Qc7MY9XLY63+gdF iZ30CE/yFnkymmASNTSone1g4Na2BOsMguWOEOtahqG1eC3XJKdLNhcXse/gqehfhW uvLvtJs6JO69SVC4JihMMsETmsf4Fb2XJrQ5iYh6PxUwlrEIlv/jtdFiuStA6RTCdt a5FmXZbt/iHKNg2bdcGbtg4weJLRGo3935qAt3+pbNdnnDLaq4mCI8ODGvo18Dtgrp VHDxdPWl068qQ== From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: linux-rt-devel@lists.linux.dev, dri-devel@lists.freedesktop.org, Maarten Lankhorst Subject: [i915-rt v6 24/24] FOR-CI: bump MAX_STACK_TRACE_ENTRIES Date: Fri, 20 Feb 2026 09:37:22 +0100 Message-ID: <20260220083657.28815-50-dev@lankhorst.se> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20260220083657.28815-26-dev@lankhorst.se> References: <20260220083657.28815-26-dev@lankhorst.se> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" 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