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=-1.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=ham 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 A01BEC04AB6 for ; Mon, 3 Jun 2019 06:22:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 70BCE27BEE for ; Mon, 3 Jun 2019 06:22:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=canb.auug.org.au header.i=@canb.auug.org.au header.b="usyZjCBM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726878AbfFCGWU (ORCPT ); Mon, 3 Jun 2019 02:22:20 -0400 Received: from bilbo.ozlabs.org ([203.11.71.1]:37489 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726383AbfFCGWU (ORCPT ); Mon, 3 Jun 2019 02:22:20 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mail.ozlabs.org (Postfix) with ESMTPSA id 45HQ2K2h3wz9s4Y; Mon, 3 Jun 2019 16:22:17 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=canb.auug.org.au; s=201702; t=1559542937; bh=qtRLL5MmwkVppNQC2HhXBoAeLnIwZD4NL/50uFan5SU=; h=Date:From:To:Cc:Subject:From; b=usyZjCBMTorPhShHFMWkb8U6KufF4zisxKgg93tf98GQElT38ZO/mkJRMLJU0AkAO fvcAnveLGmuIMGSOUt6n8BnmXd4ECIgT3Ii4aJRxXZ4eY8qQ/Ptn81dvmoy4bSvXkP C3PhkBtT34d4GO6x/7U6m0uMAsJS1L3pZ/ofuJj1HhkWFGGmrFJLXRTKDDehOdbQUA KG19z8vZqiuNH209Lkre3yx1bJLqJrgYHPeAY6FqHVfdgtk247eyIzbQg/fW7Rp53C Zt91O6knQIRCZt+n3Yc4nKexRUunh0xFq6/TDlsUSvnkblHekOSv27W2DYKM3rmsvg jnrzghbrpL1xg== Date: Mon, 3 Jun 2019 16:22:15 +1000 From: Stephen Rothwell To: Matthew Wilcox Cc: Linux Next Mailing List , Linux Kernel Mailing List Subject: linux-next: runtime failure of next-20190603 Message-ID: <20190603162215.6390707f@canb.auug.org.au> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/+TiVC.xekiq4xkQ7ICT.F+4"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/+TiVC.xekiq4xkQ7ICT.F+4 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi all, My qemu powerpc_pseries_le_defconfig boots failed today with the following output at shutdown time: # halt # Stopping network...[ 32.109495] watchdog: BUG: soft lockup - CPU#0 stuc= k for 22s! [ifdown:97] [ 32.109794] Modules linked in: [ 32.110367] CPU: 0 PID: 97 Comm: ifdown Not tainted 5.2.0-rc3 #2 [ 32.110577] NIP: c000000000bbeb38 LR: c000000000bbf0a0 CTR: 00000000000= 00000 [ 32.110732] REGS: c00000007c50f4d0 TRAP: 0901 Not tainted (5.2.0-rc3) [ 32.110813] MSR: 8000000000009033 CR: 24422422 = XER: 20000000 [ 32.111162] CFAR: c000000000bbf09c IRQMASK: 0=20 [ 32.111162] GPR00: c0000000002fa540 c00000007c50f760 c00000000119c100 c0= 0000007c50f7b8=20 [ 32.111162] GPR04: ffffffffffffffff 000000000000000f c00000007c50f8f0 00= 00000000000003=20 [ 32.111162] GPR08: c00000007d468450 0000000000000003 c00c000000006834 c0= 0000007ffe7000=20 [ 32.111162] GPR12: c000000001268a90 c000000001380000=20 [ 32.112430] NIP [c000000000bbeb38] xas_load+0x8/0xd0 [ 32.112506] LR [c000000000bbf0a0] xas_find+0x1b0/0x260 [ 32.112737] Call Trace: [ 32.112859] [c00000007c50f760] [c000000000bbf0a0] xas_find+0x1b0/0x260 (= unreliable) [ 32.113082] [c00000007c50f790] [c0000000002fa540] find_get_entries+0x2e0= /0x350 [ 32.113204] [c00000007c50f840] [c00000000031fe08] shmem_undo_range+0x2d8= /0xa90 [ 32.113292] [c00000007c50f9f0] [c0000000003205ec] shmem_truncate_range+0= x2c/0x60 [ 32.113381] [c00000007c50fa20] [c000000000320ca4] shmem_setattr+0x3a4/0x= 3e0 [ 32.113467] [c00000007c50fa80] [c00000000040e600] notify_change+0x2d0/0x= 5c0 [ 32.113596] [c00000007c50fae0] [c0000000003d8f7c] do_truncate+0x9c/0x140 [ 32.113672] [c00000007c50fb70] [c0000000003f66d8] path_openat+0x848/0x16= 60 [ 32.113747] [c00000007c50fc70] [c0000000003f900c] do_filp_open+0x8c/0x120 [ 32.113816] [c00000007c50fda0] [c0000000003da9e8] do_sys_open+0x248/0x350 [ 32.113956] [c00000007c50fe20] [c00000000000bce4] system_call+0x5c/0x70 [ 32.114123] Instruction dump: [ 32.114508] 4e800020 60000000 3900c005 7fa94040 409dff60 7d291674 2f8900= 00 419eff54=20 [ 32.114651] 38600000 4e800020 3c4c005e 3842d5d0 <7c0802a6> fbe1fff8 7c7f= 1b78 f8010010=20 Reverting commit fa858b6eec3f ("XArray: Add xas_replace") made the failure go away. --=20 Cheers, Stephen Rothwell --Sig_/+TiVC.xekiq4xkQ7ICT.F+4 Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEENIC96giZ81tWdLgKAVBC80lX0GwFAlz0vJcACgkQAVBC80lX 0Gxj8gf/VjZVL3NuxGCcA/fQWIZi2QUrNTpQVsVn7/XpqL5ylaAoRCVtsqKvtJ2i opCS8iyYyun/S8HOqxe6Su0LCBoeb3gXXo6Vj79hdWkjK5AN49NGpQoZWLd+O7Dw Jx4yjHOb9RrLOBHpZFoeJqsjaneRqk3XLgT40TcCgmNF+O9Kr51nPFrbodPan3hY R/OzBGrascS0yaK6JQbiIL+iII55G7UgSbtups3u84kOxCJ2ysDpRjNAgsNQAMDl TfJ0mIkDMaUnMo6niRoOn1n1ikgWQ2gRA7aUFcjVpAjrLYkRh6ME69WFtGuUrrOY TwlcOgW3dwUv3gi6nz+Bgpw9ZIY9aQ== =3mjZ -----END PGP SIGNATURE----- --Sig_/+TiVC.xekiq4xkQ7ICT.F+4--