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 0D973C4332F for ; Tue, 20 Dec 2022 15:22:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 64C7A10E07F; Tue, 20 Dec 2022 15:22:54 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 34A3610E0AB for ; Tue, 20 Dec 2022 15:22:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1671549772; x=1703085772; h=message-id:subject:from:to:cc:date:in-reply-to: references:mime-version:content-transfer-encoding; bh=6gLafIRStZG6lRFMZBHBv6Gl27kyIWKo/pz2JOmDTLk=; b=LXxFs9gXX2VcoCJUuQPdO7Vb6SobVqgi/HBsxcQqqVOAn00xdVjYHX0Q x8enhzzoh20ybah8MxqFuwMIuedpMwnPfiSeomm0B/cbwRbodKPFNuVhl I26HktT6/Pr8AWojZZGvuNJ+tM9lddShyr4g7pfQKXt6niXTeVo3csAhC oyKRhVLMOX5Q8XTZvGIWC9Hj++LNpDjAw7hrbmmjIY2KqAZ0H2bQ1z9An GApJECIjqZZm0+91uB5lRwFGS6OEaPByctcX8dto3LLSkNbgf6PcVWnQA ddeTZom28VeQDYncMe9zS+jCEQoteYaW/GUUnJYJx7x1SVnoZJiBTMBXs Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10567"; a="319688047" X-IronPort-AV: E=Sophos;i="5.96,259,1665471600"; d="scan'208";a="319688047" Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2022 07:22:37 -0800 X-IronPort-AV: E=McAfee;i="6500,9779,10567"; a="719601472" X-IronPort-AV: E=Sophos;i="5.96,259,1665471600"; d="scan'208";a="719601472" Received: from kjayadev-mobl.amr.corp.intel.com (HELO spandruv-desk1.amr.corp.intel.com) ([10.251.27.109]) by fmsmga004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 20 Dec 2022 07:22:37 -0800 Message-ID: <05424a5351a847786377a548dba0759917d8046c.camel@linux.intel.com> From: srinivas pandruvada To: Mirsad Todorovac , LKML , jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, Rodrigo Vivi , tvrtko.ursulin@linux.intel.com Date: Tue, 20 Dec 2022 07:22:36 -0800 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 (3.42.4-2.fc35) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [Intel-gfx] Possible regression in drm/i915 driver: memleak 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: , Cc: intel-gfx@lists.freedesktop.org, Thorsten Leemhuis Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" +Added DRM mailing list and maintainers On Tue, 2022-12-20 at 15:33 +0100, Mirsad Todorovac wrote: > Hi all, > > I have been unsuccessful to find any particular Intel i915 maintainer > emails, so my best bet is to post here, as you will must assuredly > already know them. > > The problem is a kernel memory leak that is repeatedly occurring > triggered during the execution of Chrome browser under the latest > 6.1.0+ > kernel of this morning and Almalinux 8.6 on a Lenovo desktop box > with Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz CPU. > > The build is with KMEMLEAK, KASAN and MGLRU turned on during the > build, > on a vanilla mainline kernel from Mr. Torvalds' tree. > > The leaks look like this one: > > unreferenced object 0xffff888131754880 (size 64): >    comm "chrome", pid 13058, jiffies 4298568878 (age 3708.084s) >    hex dump (first 32 bytes): >      01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  > ................ >      00 00 00 00 00 00 00 00 00 80 1e 3e 83 88 ff ff  > ...........>.... >    backtrace: >      [] slab_post_alloc_hook+0xb2/0x340 >      [] __kmem_cache_alloc_node+0x1bf/0x2c0 >      [] kmalloc_trace+0x2a/0xb0 >      [] drm_vma_node_allow+0x45/0x150 [drm] >      [] __assign_mmap_offset_handle+0x615/0x820 > [i915] >      [] i915_gem_mmap_offset_ioctl+0x77/0x110 > [i915] >      [] drm_ioctl_kernel+0x181/0x280 [drm] >      [] drm_ioctl+0x2dd/0x6a0 [drm] >      [] __x64_sys_ioctl+0xc4/0x100 >      [] do_syscall_64+0x58/0x80 >      [] entry_SYSCALL_64_after_hwframe+0x72/0xdc > > The complete list of leaks in attachment, but they seem similar or > the same. > > Please find attached lshw and kernel build config file. > > I will probably check the same parms on my laptop at home, which is > also > Lenovo, but a different hw config and Ubuntu 22.10. > > Thanks, > Mirsad > > -- > Mirsad Goran Todorovac > Sistem inženjer > Grafički fakultet | Akademija likovnih umjetnosti > Sveučilište u Zagrebu