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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 4FB48C33CA2 for ; Sun, 12 Jan 2020 20:32:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 26447214D8 for ; Sun, 12 Jan 2020 20:32:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387422AbgALUc4 (ORCPT ); Sun, 12 Jan 2020 15:32:56 -0500 Received: from ofcsgdbm.dwd.de ([141.38.3.245]:50339 "EHLO ofcsgdbm.dwd.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732825AbgALUcz (ORCPT ); Sun, 12 Jan 2020 15:32:55 -0500 X-Greylist: delayed 474 seconds by postgrey-1.27 at vger.kernel.org; Sun, 12 Jan 2020 15:32:53 EST Received: from localhost (localhost [127.0.0.1]) by ofcsg2dn3.dwd.de (Postfix) with ESMTP id 47wp9k1Jv0z11P1 for ; Sun, 12 Jan 2020 20:24:58 +0000 (UTC) X-Virus-Scanned: by amavisd-new at csg.dwd.de Received: from ofcsg2dn3.dwd.de ([127.0.0.1]) by localhost (ofcsg2dn3.dwd.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id MN8nxA3CBnXW for ; Sun, 12 Jan 2020 20:24:57 +0000 (UTC) Received: from ofmailhub.dwd.de (oflxs446.dwd.de [141.38.40.78]) by ofcsg2dn3.dwd.de (Postfix) with ESMTP id 47wp9j6dLmz11L3 for ; Sun, 12 Jan 2020 20:24:57 +0000 (UTC) Received: from diagnostix.dwd.de (diagnostix.dwd.de [141.38.42.141]) by ofmailhub.dwd.de (Postfix) with ESMTP id B301355809 for ; Sun, 12 Jan 2020 20:24:57 +0000 (UTC) Date: Sun, 12 Jan 2020 20:24:57 +0000 (UTC) From: Holger Kiehl X-X-Sender: kiehl@diagnostix.dwd.de To: linux-kernel Subject: Lockup with kernel 5.5.0-rc5 Message-ID: User-Agent: Alpine 2.21 (LRH 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, on a Broadwell CPU Xeon E3-1285L (with L4-Cache 128MB eDRAM) I got the following Oops: [ 7759.828500] general protection fault: 0000 [#1] SMP PTI [ 7759.828506] CPU: 1 PID: 2114 Comm: Xorg Not tainted 5.5.0-rc5 #1 [ 7759.828508] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./C226M WS, BIOS L2.32 05/16/2019 [ 7759.828515] RIP: 0010:kmem_cache_alloc+0x7a/0x210 [ 7759.828518] Code: 65 48 8b 51 08 65 48 03 0d f3 6a d8 7c 4c 8b 21 4d 85 e4 0f 84 7c 01 00 00 41 8b 5e 20 48 8d 4a 01 4c 89 e0 49 8b 3e 4c 01 e3 <48> 33 1b 49 33 9e 70 01 00 00 65 48 0f c7 0f 0f 94 c0 84 c0 74 bd [ 7759.828520] RSP: 0018:ffffa72744a2ba28 EFLAGS: 00010206 [ 7759.828522] RAX: 0b1b4d50ef46eaf3 RBX: 0b1b4d50ef46eaf3 RCX: 000000000001b5a9 [ 7759.828524] RDX: 000000000001b5a8 RSI: 0000000000000cc0 RDI: 000000000002ff20 [ 7759.828525] RBP: 0000000000000cc0 R08: 0000000000000000 R09: ffff9be2339e3c80 [ 7759.828527] R10: 000000000000a000 R11: ffff9be3872118e8 R12: 0b1b4d50ef46eaf3 [ 7759.828529] R13: ffffffffc039ddce R14: ffff9be38b823640 R15: ffff9be38b823640 [ 7759.828531] FS: 00007fa28d224f00(0000) GS:ffff9be38ec40000(0000) knlGS:0000000000000000 [ 7759.828533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7759.828534] CR2: 00007fa28818b000 CR3: 00000007df1d8005 CR4: 00000000003606e0 [ 7759.828536] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7759.828537] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7759.828539] Call Trace: [ 7759.828577] i915_active_ref+0x5e/0x170 [i915] [ 7759.828609] i915_vma_move_to_active+0x24/0x150 [i915] [ 7759.828636] i915_gem_do_execbuffer+0xd3f/0x1880 [i915] [ 7759.828644] ? unix_stream_read_generic+0x1fe/0x990 [ 7759.828647] ? xas_load+0x5/0x70 [ 7759.828651] ? find_get_entry+0xb3/0x170 [ 7759.828657] ? shmem_getpage_gfp+0xf1/0x8f0 [ 7759.828661] ? __kmalloc+0x174/0x260 [ 7759.828688] i915_gem_execbuffer2_ioctl+0xee/0x3b0 [i915] [ 7759.828718] ? i915_gem_madvise_ioctl+0x10f/0x2c0 [i915] [ 7759.828744] ? i915_gem_execbuffer_ioctl+0x2c0/0x2c0 [i915] [ 7759.828748] drm_ioctl_kernel+0xab/0xf0 [ 7759.828753] drm_ioctl+0x200/0x3a0 [ 7759.828793] ? i915_gem_execbuffer_ioctl+0x2c0/0x2c0 [i915] [ 7759.828801] do_vfs_ioctl+0x447/0x6c0 [ 7759.828807] ? handle_mm_fault+0xae/0x1e0 [ 7759.828812] ksys_ioctl+0x5e/0x90 [ 7759.828817] __x64_sys_ioctl+0x16/0x20 [ 7759.828821] do_syscall_64+0x55/0x1a0 [ 7759.828826] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 7759.828831] RIP: 0033:0x7fa28d69b34b [ 7759.828835] Code: 0f 1e fa 48 8b 05 3d 9b 0c 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 0d 9b 0c 00 f7 d8 64 89 01 48 [ 7759.828838] RSP: 002b:00007ffc1ae65108 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 7759.828842] RAX: ffffffffffffffda RBX: 00007ffc1ae65150 RCX: 00007fa28d69b34b [ 7759.828845] RDX: 00007ffc1ae65150 RSI: 0000000040406469 RDI: 0000000000000010 [ 7759.828848] RBP: 0000000040406469 R08: 00005557e3a829a0 R09: 0000000000000000 [ 7759.828850] R10: 0000000000000000 R11: 0000000000000246 R12: 00005557e3a40100 [ 7759.828853] R13: 0000000000000010 R14: ffffffffffffffff R15: 00007fa28cb34a68 [ 7759.828858] Modules linked in: xt_CHECKSUM xt_MASQUERADE nf_nat_tftp nf_conntrack_tftp tun bridge stp llc nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 libcrc32c ip_set nfnetlink ebtable_filter ebtables x86_pkg_temp_thermal ip6table_filter kvm_intel ip6_tables kvm irqbypass bpfilter iTCO_wdt iTCO_vendor_support snd_hda_codec_realtek crct10dif_pclmul snd_hda_codec_generic snd_hda_codec_hdmi crc32_pclmul snd_hda_intel snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core nct6775 hwmon_vid ghash_clmulni_intel i2c_i801 snd_seq jc42 lpc_ich bfq mfd_core coretemp snd_seq_device snd_pcm snd_timer snd mei_me mei soundcore acpi_pad sunrpc vfat fat sch_fq_codel i915 crc32c_intel igb dca video fuse ecryptfs [ 7759.828934] ---[ end trace f5069fc029a440f1 ]--- [ 7759.929159] RIP: 0010:kmem_cache_alloc+0x7a/0x210 [ 7759.929162] Code: 65 48 8b 51 08 65 48 03 0d f3 6a d8 7c 4c 8b 21 4d 85 e4 0f 84 7c 01 00 00 41 8b 5e 20 48 8d 4a 01 4c 89 e0 49 8b 3e 4c 01 e3 <48> 33 1b 49 33 9e 70 01 00 00 65 48 0f c7 0f 0f 94 c0 84 c0 74 bd [ 7759.929163] RSP: 0018:ffffa72744a2ba28 EFLAGS: 00010206 [ 7759.929165] RAX: 0b1b4d50ef46eaf3 RBX: 0b1b4d50ef46eaf3 RCX: 000000000001b5a9 [ 7759.929166] RDX: 000000000001b5a8 RSI: 0000000000000cc0 RDI: 000000000002ff20 [ 7759.929167] RBP: 0000000000000cc0 R08: 0000000000000000 R09: ffff9be2339e3c80 [ 7759.929168] R10: 000000000000a000 R11: ffff9be3872118e8 R12: 0b1b4d50ef46eaf3 [ 7759.929169] R13: ffffffffc039ddce R14: ffff9be38b823640 R15: ffff9be38b823640 [ 7759.929171] FS: 00007fa28d224f00(0000) GS:ffff9be38ec40000(0000) knlGS:0000000000000000 [ 7759.929172] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7759.929173] CR2: 00007fa28818b000 CR3: 00000007df1d8005 CR4: 00000000003606e0 [ 7759.929174] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7759.929175] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 It cannot be reproduced, but it has happened now the second time with a 5.5.0-rc kernel. Before this system was stable if one does not enable C6 power saving. It is limited to C3. Regards, Holger