And another example of calltrace: Sep 5 21:25:32 BelliashPC kernel: NMI backtrace for cpu 1 Sep 5 21:25:32 BelliashPC kernel: CPU: 1 PID: 13564 Comm: DOM File Tainted: P D O T 5.2.11-gentoo #1 Sep 5 21:25:32 BelliashPC kernel: Hardware name: Gigabyte Technology Co., Ltd. B450 AORUS ELITE/B450 AORUS ELITE, BIOS F42a 07/31/2019 Sep 5 21:25:32 BelliashPC kernel: Call Trace: Sep 5 21:25:32 BelliashPC kernel: <IRQ> Sep 5 21:25:32 BelliashPC kernel: dump_stack+0x46/0x60 Sep 5 21:25:32 BelliashPC kernel: nmi_cpu_backtrace.cold+0x14/0x53 Sep 5 21:25:32 BelliashPC kernel: ? lapic_can_unplug_cpu.cold+0x42/0x42 Sep 5 21:25:32 BelliashPC kernel: nmi_trigger_cpumask_backtrace+0x89/0x8b Sep 5 21:25:32 BelliashPC kernel: rcu_dump_cpu_stacks+0x7b/0xa9 Sep 5 21:25:32 BelliashPC kernel: rcu_sched_clock_irq.cold+0x1a2/0x38d Sep 5 21:25:32 BelliashPC kernel: ? tick_sched_do_timer+0x50/0x50 Sep 5 21:25:32 BelliashPC kernel: update_process_times+0x24/0x60 Sep 5 21:25:32 BelliashPC kernel: tick_sched_timer+0x33/0x70 Sep 5 21:25:32 BelliashPC kernel: __hrtimer_run_queues+0xe7/0x180 Sep 5 21:25:32 BelliashPC kernel: hrtimer_interrupt+0x100/0x220 Sep 5 21:25:32 BelliashPC kernel: smp_apic_timer_interrupt+0x56/0x90 Sep 5 21:25:32 BelliashPC kernel: apic_timer_interrupt+0xf/0x20 Sep 5 21:25:32 BelliashPC kernel: </IRQ> Sep 5 21:25:32 BelliashPC kernel: RIP: 0010:queued_spin_lock_slowpath+0x3f/0x1a0 Sep 5 21:25:32 BelliashPC kernel: Code: 0f ba 2f 08 0f 92 c0 0f b6 c0 c1 e0 08 89 c2 8b 07 30 e4 09 d0 a9 00 01 ff ff 75 18 85 c0 74 0e 8b 07 84 c0 74 08 f3 90 8b 07 <84> c0 75 f8 66 c7 07 01 00 c3 f6 c4 01 75 04 c6 47 01 00 48 c7 c0 Sep 5 21:25:32 BelliashPC kernel: RSP: 0018:ffffa299085afc48 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 Sep 5 21:25:32 BelliashPC kernel: RAX: 00000000003c0101 RBX: ffffa299085afd10 RCX: 000000008a2ee8ff Sep 5 21:25:32 BelliashPC kernel: RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa299034fdb44 Sep 5 21:25:32 BelliashPC kernel: RBP: ffffa299085afcc0 R08: ffffa299085afcc0 R09: 0000000000000000 Sep 5 21:25:32 BelliashPC kernel: R10: 0000000000000000 R11: 0000000000000000 R12: 00007fa4d675aa38 Sep 5 21:25:32 BelliashPC kernel: R13: 0000000000000000 R14: 0000000000000000 R15: ffffa299034fdb40 Sep 5 21:25:32 BelliashPC kernel: futex_wait_setup+0x77/0x110 Sep 5 21:25:32 BelliashPC kernel: futex_wait+0xcf/0x230 Sep 5 21:25:32 BelliashPC kernel: ? ep_poll_callback+0x256/0x280 Sep 5 21:25:32 BelliashPC kernel: do_futex+0x15e/0xc60 Sep 5 21:25:32 BelliashPC kernel: ? pipe_write+0x382/0x410 Sep 5 21:25:32 BelliashPC kernel: ? new_sync_write+0x12c/0x1d0 Sep 5 21:25:32 BelliashPC kernel: __x64_sys_futex+0x137/0x170 Sep 5 21:25:32 BelliashPC kernel: do_syscall_64+0x4a/0x110 Sep 5 21:25:32 BelliashPC kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Sep 5 21:25:32 BelliashPC kernel: RIP: 0033:0x7fa4e76c7067 Sep 5 21:25:32 BelliashPC kernel: Code: 5c 24 68 48 89 44 24 50 e8 96 38 00 00 e8 c1 3d 00 00 89 de 41 89 c1 40 80 f6 80 45 31 d2 31 d2 4c 89 ff b8 ca 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 71 44 89 cf e8 f9 3d 00 00 31 f6 4c 89 f7 e8 Sep 5 21:25:32 BelliashPC kernel: RSP: 002b:00007fa4d7c5eac0 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca Sep 5 21:25:32 BelliashPC kernel: RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa4e76c7067 Sep 5 21:25:32 BelliashPC kernel: RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fa4d675aa38 Sep 5 21:25:32 BelliashPC kernel: RBP: 0000000000000000 R08: 00007fa4d675a9e0 R09: 0000000000000000 Sep 5 21:25:32 BelliashPC kernel: R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4d675aa10 Sep 5 21:25:32 BelliashPC kernel: R13: 00007fa4d675a9e0 R14: 00007fa4d7c5eaf0 R15: 00007fa4d675aa38
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1690085 Title: Ryzen 1800X freeze - rcu_sched detected stalls on CPUs/tasks Status in Linux: Confirmed Status in linux package in Ubuntu: Confirmed Bug description: Hi, We aregetting various kernel crash on a pretty new config. We're using Ryzen 1800X CPU with X370 Gaming Pro Carbon MB (7A32V1) using latest BIOS available (1.52) We are running Ubuntu 17.04 (amd64), we've tried different kernel version, native one and releases from http://kernel.ubuntu.com/~kernel-ppa/mainline/ too. Tested kernel version: native 17.04 kernel 4.10.15 Issues are the same, we're getting random freeze on the machine. Here is kern.log entry when happening : May 10 22:41:56 dev2 kernel: [24366.186246] INFO: rcu_sched detected stalls on CPUs/tasks: May 10 22:41:56 dev2 kernel: [24366.187618] 0-...: (1 GPs behind) idle=49b/1/0 softirq=28561/28563 fqs=913449 May 10 22:41:56 dev2 kernel: [24366.188977] (detected by 12, t=1860207 jiffies, g=10001, c=10000, q=4656) May 10 22:41:56 dev2 kernel: [24366.190344] Task dump for CPU 0: May 10 22:41:56 dev2 kernel: [24366.190345] swapper/0 R running task 0 0 0 0x00000008 May 10 22:41:56 dev2 kernel: [24366.190348] Call Trace: May 10 22:41:56 dev2 kernel: [24366.190354] ? native_safe_halt+0x6/0x10 May 10 22:41:56 dev2 kernel: [24366.190355] ? default_idle+0x20/0xd0 May 10 22:41:56 dev2 kernel: [24366.190358] ? arch_cpu_idle+0xf/0x20 May 10 22:41:56 dev2 kernel: [24366.190360] ? default_idle_call+0x23/0x30 May 10 22:41:56 dev2 kernel: [24366.190362] ? do_idle+0x16f/0x200 May 10 22:41:56 dev2 kernel: [24366.190364] ? cpu_startup_entry+0x71/0x80 May 10 22:41:56 dev2 kernel: [24366.190366] ? rest_init+0x77/0x80 May 10 22:41:56 dev2 kernel: [24366.190368] ? start_kernel+0x464/0x485 May 10 22:41:56 dev2 kernel: [24366.190369] ? early_idt_handler_array+0x120/0x120 May 10 22:41:56 dev2 kernel: [24366.190371] ? x86_64_start_reservations+0x24/0x26 May 10 22:41:56 dev2 kernel: [24366.190372] ? x86_64_start_kernel+0x14d/0x170 May 10 22:41:56 dev2 kernel: [24366.190373] ? start_cpu+0x14/0x14 May 10 22:44:56 dev2 kernel: [24546.188093] INFO: rcu_sched detected stalls on CPUs/tasks: May 10 22:44:56 dev2 kernel: [24546.189461] 0-...: (1 GPs behind) idle=49b/1/0 softirq=28561/28563 fqs=935027 May 10 22:44:56 dev2 kernel: [24546.190823] (detected by 14, t=1905212 jiffies, g=10001, c=10000, q=4740) May 10 22:44:56 dev2 kernel: [24546.192191] Task dump for CPU 0: May 10 22:44:56 dev2 kernel: [24546.192192] swapper/0 R running task 0 0 0 0x00000008 May 10 22:44:56 dev2 kernel: [24546.192195] Call Trace: May 10 22:44:56 dev2 kernel: [24546.192199] ? native_safe_halt+0x6/0x10 May 10 22:44:56 dev2 kernel: [24546.192201] ? default_idle+0x20/0xd0 May 10 22:44:56 dev2 kernel: [24546.192203] ? arch_cpu_idle+0xf/0x20 May 10 22:44:56 dev2 kernel: [24546.192204] ? default_idle_call+0x23/0x30 May 10 22:44:56 dev2 kernel: [24546.192206] ? do_idle+0x16f/0x200 May 10 22:44:56 dev2 kernel: [24546.192208] ? cpu_startup_entry+0x71/0x80 May 10 22:44:56 dev2 kernel: [24546.192210] ? rest_init+0x77/0x80 May 10 22:44:56 dev2 kernel: [24546.192211] ? start_kernel+0x464/0x485 May 10 22:44:56 dev2 kernel: [24546.192213] ? early_idt_handler_array+0x120/0x120 May 10 22:44:56 dev2 kernel: [24546.192214] ? x86_64_start_reservations+0x24/0x26 May 10 22:44:56 dev2 kernel: [24546.192215] ? x86_64_start_kernel+0x14d/0x170 May 10 22:44:56 dev2 kernel: [24546.192217] ? start_cpu+0x14/0x14 Depending on the kernel version, we've got NMI watchdog errors related to CPU stuck (mentioning the CPU core id, which is random). Crash is happening randomly, but in general after some hours (3-4h). Now, we've installed kernel 4.11.0-041100-generic #201705041534 this morning and waiting for crash... For now, the machine is not "used", at least, it's not CPU stressed... Thanks --- ApportVersion: 2.20.4-0ubuntu4 Architecture: amd64 DistroRelease: Ubuntu 17.04 InstallationDate: Installed on 2017-05-09 (1 days ago) InstallationMedia: Ubuntu-Server 17.04 "Zesty Zapus" - Release amd64 (20170412) Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash Tags: zesty Uname: Linux 4.11.0-041100-generic x86_64 UnreportableReason: The running kernel is not an Ubuntu kernel UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: _MarkForUpload: True To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1690085/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp