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,URIBL_BLOCKED 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 5E69AC64E7B for ; Tue, 1 Dec 2020 08:40:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0E1112054F for ; Tue, 1 Dec 2020 08:40:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728313AbgLAIkI convert rfc822-to-8bit (ORCPT ); Tue, 1 Dec 2020 03:40:08 -0500 Received: from mail.kernel.org ([198.145.29.99]:52454 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726604AbgLAIkI (ORCPT ); Tue, 1 Dec 2020 03:40:08 -0500 From: bugzilla-daemon@bugzilla.kernel.org To: kvm@vger.kernel.org Subject: [Bug 209867] CPU soft lockup/stall with nested KVM and SMP Date: Tue, 01 Dec 2020 08:39:26 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Product: Virtualization X-Bugzilla-Component: kvm X-Bugzilla-Version: unspecified X-Bugzilla-Keywords: X-Bugzilla-Severity: high X-Bugzilla-Who: taz.007@zoho.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: virtualization_kvm@kernel-bugs.osdl.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: 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: kvm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=209867 taz.007@zoho.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |taz.007@zoho.com --- Comment #6 from taz.007@zoho.com --- I've got a similar stack trace, but with a completely different context. This is a small htpc box, no kvm involved, Intel CPU, 32bits. déc 01 05:01:20 Aspire kernel: watchdog: BUG: soft lockup - CPU#2 stuck for 22s! [sshd:20874] déc 01 05:01:20 Aspire kernel: Modules linked in: mptcp_diag tcp_diag udp_diag raw_diag inet_diag rpcsec_gss_krb5 md4 cmac nls_utf8 cifs libdes dns_resolver fscache fuse hwmon_vid nouveau ath5k snd_hda_codec_hdmi ath mxm_wmi ttm snd_hda_codec_realtek mac80211 snd_hda_codec_generic drm_kms_helper ledtrig_audio snd_hda_intel cfg80211 snd_intel_dspcfg mousedev cec input_leds snd_hda_codec rc_core snd_hda_core syscopyarea rfkill hid_generic sysfillrect snd_hwdep wmi_bmof libarc4 snd_pcm sysimgblt snd_timer fb_sys_fops coretemp usbhid uas hid pcspkr i2c_algo_bit usb_storage snd nv_tco soundcore forcedeth i2c_nforce2 wmi evdev nfsd auth_rpcgss tcp_bbr nfs_acl lockd grace sunrpc sg drm nfs_ssc agpgart ip_tables x_tables ext4 crc32c_generic crc16 mbcache jbd2 ohci_pci ehci_pci ehci_hcd ohci_hcd déc 01 05:01:20 Aspire kernel: CPU: 2 PID: 20874 Comm: sshd Tainted: G D 5.9.9-arch1-1 #1 déc 01 05:01:20 Aspire kernel: Hardware name: Acer Aspire R3610/FMCP7A-ION-LE, BIOS P01-A4 11/03/2009 déc 01 05:01:20 Aspire kernel: EIP: queued_spin_lock_slowpath+0x42/0x200 déc 01 05:01:20 Aspire kernel: Code: 8b 01 0f b6 d2 c1 e2 08 30 e4 09 d0 a9 00 01 ff ff 0f 85 21 01 00 00 85 c0 74 15 8b 01 84 c0 74 0f 8d b4 26 00 00 00 00 f3 90 <8b> 01 84 c0 75 f8 b8 01 00 00 00 66 89 01 64 ff 05 c0 1e bd c6 c3 déc 01 05:01:20 Aspire kernel: EAX: 00000101 EBX: df4f1ea4 ECX: c6bf5e68 EDX: 00000000 déc 01 05:01:20 Aspire kernel: ESI: 00000001 EDI: df4f1e58 EBP: df4f1dcc ESP: df4f1dc8 déc 01 05:01:20 Aspire kernel: DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 EFLAGS: 00000202 déc 01 05:01:20 Aspire kernel: CR0: 80050033 CR2: 0048a107 CR3: 218a8000 CR4: 000006d0 déc 01 05:01:20 Aspire kernel: Call Trace: déc 01 05:01:20 Aspire kernel: ? _raw_spin_lock+0x2c/0x30 déc 01 05:01:20 Aspire kernel: __change_page_attr_set_clr+0x45/0x740 déc 01 05:01:20 Aspire kernel: ? _vm_unmap_aliases.part.0+0x114/0x130 déc 01 05:01:20 Aspire kernel: change_page_attr_set_clr+0xd0/0x2a0 déc 01 05:01:20 Aspire kernel: set_memory_ro+0x1b/0x20 déc 01 05:01:20 Aspire kernel: bpf_prog_select_runtime+0x16c/0x1b0 déc 01 05:01:20 Aspire kernel: bpf_migrate_filter+0xe2/0x130 déc 01 05:01:20 Aspire kernel: bpf_prog_create_from_user+0x147/0x190 déc 01 05:01:20 Aspire kernel: ? hardlockup_detector_perf_cleanup+0x70/0x70 déc 01 05:01:20 Aspire kernel: do_seccomp+0x22d/0x9a0 déc 01 05:01:20 Aspire kernel: ? security_task_prctl+0x38/0x90 déc 01 05:01:20 Aspire kernel: prctl_set_seccomp+0x27/0x40 déc 01 05:01:20 Aspire kernel: __ia32_sys_prctl+0x87/0x4f0 déc 01 05:01:20 Aspire kernel: __do_fast_syscall_32+0x40/0x70 déc 01 05:01:20 Aspire kernel: do_fast_syscall_32+0x29/0x60 déc 01 05:01:20 Aspire kernel: do_SYSENTER_32+0x15/0x20 déc 01 05:01:20 Aspire kernel: entry_SYSENTER_32+0x9f/0xf2 déc 01 05:01:20 Aspire kernel: EIP: 0xb7fd0549 déc 01 05:01:20 Aspire kernel: Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d 76 00 58 b8 77 00 00 00 cd 80 90 8d 76 déc 01 05:01:20 Aspire kernel: EAX: ffffffda EBX: 00000016 ECX: 00000002 EDX: 004f4d5c déc 01 05:01:20 Aspire kernel: ESI: 00000000 EDI: 00000001 EBP: b7b6ae1c ESP: bffff6ec déc 01 05:01:20 Aspire kernel: DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b EFLAGS: 00000292 kernel 5.9.9-arch1-1 Feel free to report if it's non related and I'll open a new bug report about it. -- You are receiving this mail because: You are watching the assignee of the bug.