From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 191451] Host hangs when hyperv/pvspinlock are disabled Date: Sat, 07 Oct 2017 02:04:52 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT To: kvm@kernel.org Return-path: Received: from mail.wl.linuxfoundation.org ([198.145.29.98]:36360 "EHLO mail.wl.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752278AbdJGCEy (ORCPT ); Fri, 6 Oct 2017 22:04:54 -0400 Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 55B4628E53 for ; Sat, 7 Oct 2017 02:04:54 +0000 (UTC) In-Reply-To: Sender: kvm-owner@vger.kernel.org List-ID: https://bugzilla.kernel.org/show_bug.cgi?id=191451 uzytkownik2@gmail.com (uzytkownik2@gmail.com) changed: What |Removed |Added ---------------------------------------------------------------------------- Kernel Version|4.7.3-4.12.1 |4.7.3-4.13.1 --- Comment #5 from uzytkownik2@gmail.com (uzytkownik2@gmail.com) --- Slightly different information when I enabled panic on lockup: Panic#1 Part1 <4>[408949.271662] R13: ffffbcf243a33bbc R14: 0000000000000001 R15: ffffbcf243a33b94 <4>[408949.271698] <4>[408949.271711] do_sys_poll+0x2a2/0x5d0 <4>[408949.271731] ? __enqueue_entity+0x7a/0x80 <4>[408949.271753] ? enqueue_entity+0x2e2/0x9d0 <4>[408949.271775] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271805] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271835] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271864] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271894] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271923] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271953] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271982] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.272012] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.272042] SyS_ppoll+0x176/0x190 <4>[408949.272061] ? SyS_ppoll+0x176/0x190 <4>[408949.272080] ? exit_to_usermode_loop+0x8a/0xa0 <4>[408949.272104] entry_SYSCALL_64_fastpath+0x13/0x94 <4>[408949.272127] RIP: 0033:0x7f4013925edb <4>[408949.272146] RSP: 002b:00007fff5744d720 EFLAGS: 00000293 ORIG_RAX: 000000000000010f <4>[408949.273003] RAX: ffffffffffffffda RBX: 00005566c67d1710 RCX: 00007f4013925edb <4>[408949.273866] RDX: 00007fff5744d740 RSI: 0000000000000014 RDI: 00005566c8376460 <4>[408949.274722] RBP: 00007fff5744d7a4 R08: 0000000000000008 R09: 0000000000000000 <4>[408949.275565] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000a3104 <4>[408949.276392] R13: 00005566c67d1710 R14: 0000000000000000 R15: 0000000000000000 <0>[408949.277228] Kernel Offset: 0x3a200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) Panic#1 Part2 <4>[408949.271093] RDX: 00007fff5744d740 RSI: 0000000000000014 RDI: 00005566c8376460 <4>[408949.271093] RBP: 00007fff5744d7a4 R08: 0000000000000008 R09: 0000000000000000 <4>[408949.271094] R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000a3104 <4>[408949.271095] R13: 00005566c67d1710 R14: 0000000000000000 R15: 0000000000000000 <4>[408949.271095] Code: 85 f6 49 89 fc 48 89 f2 74 13 48 8b 06 48 85 c0 74 0b 48 8d 73 58 48 85 f6 74 02 ff d0 31 c0 41 f6 44 24 44 02 74 13 48 8b 53 38 <48> 8d 4b 38 48 39 d1 ba 04 01 00 00 0f 45 c2 48 8b 13 48 39 d3 <0>[408949.271119] Kernel panic - not syncing: softlockup: hung tasks <4>[408949.271150] CPU: 7 PID: 7050 Comm: qemu-system-x86 Tainted: P O L 4.13.2-gentoo #1 <4>[408949.271197] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./X99-SLI-CF, BIOS F1 04/15/2015 <4>[408949.271246] Call Trace: <4>[408949.271260] <4>[408949.271274] dump_stack+0x60/0x7f <4>[408949.271293] panic+0xe8/0x238 <4>[408949.271311] watchdog_timer_fn+0x208/0x210 <4>[408949.271334] __hrtimer_run_queues+0xcd/0x130 <4>[408949.271357] hrtimer_interrupt+0xad/0x1e0 <4>[408949.271380] smp_trace_apic_timer_interrupt+0x71/0xa0 <4>[408949.271407] smp_apic_timer_interrupt+0x1c/0x20 <4>[408949.271431] apic_timer_interrupt+0x86/0x90 <4>[408949.271456] RIP: 0010:usbdev_poll+0x4d/0x90 [usbcore] <4>[408949.271482] RSP: 0018:ffffbcf243a33a90 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 <4>[408949.271520] RAX: 0000000000000000 RBX: ffff9d4308a98b40 RCX: ffff9d43c1bab701 <4>[408949.271555] RDX: ffff9d4308a98b78 RSI: ffffbcf243a33c10 RDI: ffff9d43c1bab700 <4>[408949.271591] RBP: ffffbcf243a33aa0 R08: ffff9d43c1bab700 R09: 0000000000000370 <4>[408949.271626] R10: ffff9d43b6ab4000 R11: 00000000000002bb R12: ffff9d43c1bab700 Panic#1 Part3 <4>[408949.271048] RDX: ffff9d4308a98b78 RSI: ffffbcf243a33c10 RDI: ffff9d43c1bab700 <4>[408949.271048] RBP: ffffbcf243a33aa0 R08: ffff9d43c1bab700 R09: 0000000000000370 <4>[408949.271049] R10: ffff9d43b6ab4000 R11: 00000000000002bb R12: ffff9d43c1bab700 <4>[408949.271050] R13: ffffbcf243a33bbc R14: 0000000000000001 R15: ffffbcf243a33b94 <4>[408949.271051] FS: 00007f4016deab00(0000) GS:ffff9d481f5c0000(0000) knlGS:0000000000000000 <4>[408949.271052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 <4>[408949.271052] CR2: 000002a18d051000 CR3: 0000000436859000 CR4: 00000000001426e0 <4>[408949.271053] Call Trace: <4>[408949.271059] do_sys_poll+0x2a2/0x5d0 <4>[408949.271063] ? __enqueue_entity+0x7a/0x80 <4>[408949.271065] ? enqueue_entity+0x2e2/0x9d0 <4>[408949.271067] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271069] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271071] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271072] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271074] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271076] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271077] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271079] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271081] ? compat_poll_select_copy_remaining+0x130/0x130 <4>[408949.271083] SyS_ppoll+0x176/0x190 <4>[408949.271085] ? SyS_ppoll+0x176/0x190 <4>[408949.271086] ? exit_to_usermode_loop+0x8a/0xa0 <4>[408949.271089] entry_SYSCALL_64_fastpath+0x13/0x94 <4>[408949.271090] RIP: 0033:0x7f4013925edb <4>[408949.271091] RSP: 002b:00007fff5744d720 EFLAGS: 00000293 ORIG_RAX: 000000000000010f <4>[408949.271092] RAX: ffffffffffffffda RBX: 00005566c67d1710 RCX: 00007f4013925edb Panic#1 Part4 <4>[408907.138887] rcu_gp_kthread+0x502/0x840 <4>[408907.138890] ? rcu_gp_kthread+0x502/0x840 <4>[408907.138894] kthread+0x10d/0x140 <4>[408907.138897] ? call_rcu_sched+0x30/0x30 <4>[408907.138900] ? kthread_park+0x70/0x70 <4>[408907.138903] ret_from_fork+0x22/0x30 <0>[408949.270946] watchdog: BUG: soft lockup - CPU#7 stuck for 81s! [qemu-system-x86:7050] <4>[408949.270992] Modules linked in: macvtap ipt_MASQUERADE nf_nat_masquerade_ipv4 nf_conntrack_netlink xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc nvidia_uvm(PO) af_packet tcm_loop target_core_pscsi target_core_file target_core_iblock iscsi_target_mod macvlan snd_hda_codec_hdmi btrfs nls_iso8859_1 nls_cp437 vfat coretemp fat kvm_intel kvm crc32c_intel mousedev i2c_i801 snd_hda_codec_realtek snd_hda_codec_generic nvidia_drm(PO) nvidia_modeset(PO) nvidia(PO) snd_hda_intel snd_hda_codec snd_hwdep snd_hda_core snd_pcm button snd_timer snd soundcore e1000e shpchp hid_logitech_hidpp hid_logitech_dj hid_generic usbhid hid xhci_pci ehci_pci xhci_hcd ehci_hcd usbcore usb_common sr_mod <4>[408949.271028] cdrom vhost_net tun tap vhost_scsi vhost target_core_mod efivarfs <4>[408949.271034] CPU: 7 PID: 7050 Comm: qemu-system-x86 Tainted: P O 4.13.2-gentoo #1 <4>[408949.271035] Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./X99-SLI-CF, BIOS F1 04/15/2015 <4>[408949.271037] task: ffff9d43b6ab8000 task.stack: ffffbcf243a30000 <4>[408949.271045] RIP: 0010:usbdev_poll+0x4d/0x90 [usbcore] <4>[408949.271046] RSP: 0018:ffffbcf243a33a90 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10 <4>[408949.271047] RAX: 0000000000000000 RBX: ffff9d4308a98b40 RCX: ffff9d43c1bab701 Panic#1 Part5 <6>[ 823.455297] usb 3-9.2: reset full-speed USB device number 3 using xhci_hcd <6>[ 823.765321] usb 3-9.2: reset full-speed USB device number 3 using xhci_hcd <6>[ 824.155267] usb 3-9.3: reset full-speed USB device number 4 using xhci_hcd <6>[ 824.435267] usb 3-9.3: reset full-speed USB device number 4 using xhci_hcd <6>[ 999.039964] worker (30163) used greatest stack depth: 8552 bytes left <6>[ 4880.736677] perf: interrupt took too long (2515 > 2500), lowering kernel.perf_event_max_sample_rate to 79500 <6>[ 6097.254169] perf: interrupt took too long (3152 > 3143), lowering kernel.perf_event_max_sample_rate to 63400 <6>[ 8062.800175] perf: interrupt took too long (3948 > 3940), lowering kernel.perf_event_max_sample_rate to 50600 <6>[21236.525379] perf: interrupt took too long (4938 > 4935), lowering kernel.perf_event_max_sample_rate to 40500 <6>[251807.087841] perf: interrupt took too long (6177 > 6172), lowering kernel.perf_event_max_sample_rate to 32300 <3>[408907.137636] INFO: rcu_sched detected stalls on CPUs/tasks: <3>[408907.137690] 7-...: (109 GPs behind) idle=f74/0/0 softirq=11032837/11032839 fqs=1 <3>[408907.137738] (detected by 9, t=2102 jiffies, g=1840140, c=1840139, q=578) <6>[408907.137785] Sending NMI from CPU 9 to CPUs 7: <4>[408907.137796] NMI backtrace for cpu 7 skipped: idling at pc 0xffffffffbb937c6a <3>[408907.138794] rcu_sched kthread starved for 2100 jiffies! g1840140 c1840139 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1 <6>[408907.138856] rcu_sched S11432 8 2 0x00000000 <4>[408907.138862] Call Trace: <4>[408907.138870] __schedule+0x2d1/0x640 <4>[408907.138873] schedule+0x44/0x90 <4>[408907.138876] schedule_timeout+0x110/0x1a0 <4>[408907.138880] ? del_timer_sync+0x50/0x50 <4>[408907.138883] ? prepare_to_swait+0x62/0x70 -- You are receiving this mail because: You are watching the assignee of the bug.