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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=BAYES_00,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF7E9C433E0 for ; Sun, 24 Jan 2021 23:03:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B645222581 for ; Sun, 24 Jan 2021 23:03:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725969AbhAXXDI convert rfc822-to-8bit (ORCPT ); Sun, 24 Jan 2021 18:03:08 -0500 Received: from mail.kernel.org ([198.145.29.99]:47670 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725968AbhAXXDG (ORCPT ); Sun, 24 Jan 2021 18:03:06 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id 59F8122D03 for ; Sun, 24 Jan 2021 23:02:25 +0000 (UTC) From: bugzilla-daemon@bugzilla.kernel.org To: linux-xfs@vger.kernel.org Subject: [Bug 211329] New: XFS related memory leak on ppc64le Date: Sun, 24 Jan 2021 23:02:25 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: AssignedTo filesystem_xfs@kernel-bugs.kernel.org X-Bugzilla-Product: File System X-Bugzilla-Component: XFS X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cam@neo-zeon.de X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: filesystem_xfs@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version cf_kernel_version rep_platform op_sys cf_tree bug_status bug_severity priority component assigned_to reporter cf_regression Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=211329 Bug ID: 211329 Summary: XFS related memory leak on ppc64le Product: File System Version: 2.5 Kernel Version: =>5.10.10 Hardware: PPC-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: XFS Assignee: filesystem_xfs@kernel-bugs.kernel.org Reporter: cam@neo-zeon.de Regression: No Not necessarily ppc64le specific, but so far I'm only seeing this on my Talos II system with XFS and none of my amd64 systems. 5.10.10 is the only 5.10.x series kernel tested so far. Issue may have started earlier. These are the only leaks so far with the box up for several hours. Not sure how serious this is. Specs: 2x 18 Core POWER9 512 GB memory The XFS filesystems on this system: df -h / /home Filesystem Size Used Avail Use% Mounted on /dev/md1 1.8T 59G 1.8T 4% / /dev/bcache0 14T 634G 14T 5% /home cat /sys/kernel/debug/kmemleak unreferenced object 0xc0000011c63af400 (size 512): comm "worker", pid 7351, jiffies 4295245272 (age 21394.586s) hex dump (first 32 bytes): c0 e0 58 3c 00 00 00 c0 08 f4 3a c6 11 00 00 c0 ..X<......:..... 08 f4 3a c6 11 00 00 c0 18 2a 3a c6 11 00 00 c0 ..:......*:..... backtrace: [<000000005f1fe84c>] blkg_alloc+0x58/0x260 [<00000000bb469d61>] blkg_create+0x3b0/0x570 [<000000007d35bf0d>] bio_associate_blkg_from_css+0x318/0x480 [<00000000a4cfa6ed>] bio_associate_blkg+0x44/0xb0 [<0000000014c40666>] cached_dev_submit_bio+0x140/0x1090 [<000000001e375f40>] submit_bio_noacct+0x12c/0x5e0 [<000000005d621ecf>] submit_bio+0x5c/0x270 [<000000000d4d6bf5>] iomap_readahead+0xdc/0x230 [<00000000b0093137>] xfs_vm_readahead+0x28/0x40 [<00000000c7837a39>] read_pages+0xcc/0x370 [<00000000ace2d2cc>] page_cache_ra_unbounded+0x1a4/0x280 [<00000000ea5f8116>] generic_file_buffered_read+0x4cc/0xbd0 [<00000000ce5a2b3b>] xfs_file_buffered_aio_read+0x70/0x130 [<0000000019bddea7>] xfs_file_read_iter+0xa0/0x150 [<0000000082a5c085>] new_sync_read+0x14c/0x1d0 [<00000000abee86d0>] vfs_read+0x1a0/0x210 unreferenced object 0xc00000001772a840 (size 64): comm "worker", pid 7351, jiffies 4295245272 (age 21394.586s) hex dump (first 32 bytes): dc 5f 00 00 00 00 00 00 50 97 80 00 00 00 00 c0 ._......P....... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [<000000006e666d7e>] percpu_ref_init+0x7c/0x150 [<00000000ac923962>] blkg_alloc+0x84/0x260 [<00000000bb469d61>] blkg_create+0x3b0/0x570 [<000000007d35bf0d>] bio_associate_blkg_from_css+0x318/0x480 [<00000000a4cfa6ed>] bio_associate_blkg+0x44/0xb0 [<0000000014c40666>] cached_dev_submit_bio+0x140/0x1090 [<000000001e375f40>] submit_bio_noacct+0x12c/0x5e0 [<000000005d621ecf>] submit_bio+0x5c/0x270 [<000000000d4d6bf5>] iomap_readahead+0xdc/0x230 [<00000000b0093137>] xfs_vm_readahead+0x28/0x40 [<00000000c7837a39>] read_pages+0xcc/0x370 [<00000000ace2d2cc>] page_cache_ra_unbounded+0x1a4/0x280 [<00000000ea5f8116>] generic_file_buffered_read+0x4cc/0xbd0 [<00000000ce5a2b3b>] xfs_file_buffered_aio_read+0x70/0x130 [<0000000019bddea7>] xfs_file_read_iter+0xa0/0x150 [<0000000082a5c085>] new_sync_read+0x14c/0x1d0 -- You may reply to this email to add a comment. 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