From: bugzilla-daemon@bugzilla.kernel.org
To: linuxppc-dev@lists.ozlabs.org
Subject: [Bug 195755] rcu_sched detected stalls on CPUs/tasks: (detected by 0, t=6302 jiffies, g=11405, c=11404, q=1880), ppc64, G5
Date: Mon, 30 Sep 2019 09:35:15 +0000 [thread overview]
Message-ID: <bug-195755-206035-6O9w4F5iMN@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-195755-206035@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=195755
Martin Zaharinov (micron10@gmail.com) changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |micron10@gmail.com
--- Comment #27 from Martin Zaharinov (micron10@gmail.com) ---
I see this bug is back in kernel 5.3.x
Sep 28 15:40:01 [ 611.520537][ C0] rcu: INFO: rcu_sched self-detected
stall on CPU
Sep 28 15:40:01 [ 611.520992][ C0] rcu: 0-...!: (5998 ticks this GP)
idle=ace/1/0x4000000000000004 softirq=46973/46973 fqs=73
Sep 28 15:40:01 [ 611.521721][ C0] (t=6000 jiffies g=83505 q=2615)
Sep 28 15:40:01 [ 611.522076][ C0] rcu: rcu_sched kthread starved for 5853
jiffies! g83505 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
Sep 28 15:40:01 [ 611.522858][ C0] rcu: RCU grace-period kthread stack
dump:
Sep 28 15:40:01 [ 611.523269][ C0] rcu_sched I 0 10 2
0x80004000
Sep 28 15:40:01 [ 611.523710][ C0] Call Trace:
Sep 28 15:40:01 [ 611.523938][ C0] ? __schedule+0x1db/0x5d0
Sep 28 15:40:01 [ 611.524251][ C0] schedule+0x34/0xa0
Sep 28 15:40:01 [ 611.524525][ C0] schedule_timeout+0x1f7/0x3e0
Sep 28 15:40:01 [ 611.524861][ C0] ? collect_expired_timers+0x270/0x270
Sep 28 15:40:01 [ 611.525248][ C0] rcu_gp_kthread+0x49f/0xea0
Sep 28 15:40:01 [ 611.525572][ C0] kthread+0x11a/0x150
Sep 28 15:40:01 [ 611.525851][ C0] ? rcu_report_qs_rnp+0x160/0x160
Sep 28 15:40:01 [ 611.534554][ C0] ? kthread_park+0x70/0x70
Sep 28 15:40:01 [ 611.543250][ C0] ret_from_fork+0x1f/0x30
Sep 28 15:40:01 [ 611.551953][ C0] NMI backtrace for cpu 0
Sep 28 15:40:01 [ 611.560402][ C0] CPU: 0 PID: 10870 Comm: ifmgr Tainted:
G O 5.3.1 #1
Sep 28 15:40:01 [ 611.576928][ C0] Hardware name: HP ProLiant ML110 G7,
BIOS J01 08/10/2012
Sep 28 15:40:01 [ 611.585641][ C0] Call Trace:
Sep 28 15:40:01 [ 611.594279][ C0] <IRQ>
Sep 28 15:40:01 [ 611.602783][ C0] dump_stack+0x47/0x5a
Sep 28 15:40:01 [ 611.611375][ C0] nmi_cpu_backtrace.cold+0x14/0x53
Sep 28 15:40:01 [ 611.620076][ C0] ? lapic_can_unplug_cpu.cold+0x37/0x37
Sep 28 15:40:01 [ 611.628588][ C0]
nmi_trigger_cpumask_backtrace+0xef/0xf1
Sep 28 15:40:01 [ 611.637040][ C0] rcu_dump_cpu_stacks+0x8d/0xbb
Sep 28 15:40:01 [ 611.645425][ C0] rcu_sched_clock_irq.cold+0x1b1/0x3a6
Sep 28 15:40:01 [ 611.653707][ C0] update_process_times+0x5b/0x90
Sep 28 15:40:01 [ 611.661857][ C0] tick_sched_timer+0x65/0x100
Sep 28 15:40:01 [ 611.669733][ C0] ? get_cpu_iowait_time_us+0x100/0x100
Sep 28 15:40:01 [ 611.677571][ C0] __hrtimer_run_queues+0x105/0x1b0
Sep 28 15:40:01 [ 611.685267][ C0] hrtimer_interrupt+0x10b/0x3d0
Sep 28 15:40:01 [ 611.692709][ C0] smp_apic_timer_interrupt+0x50/0x80
Sep 28 15:40:01 [ 611.700044][ C0] apic_timer_interrupt+0xf/0x20
Sep 28 15:40:01 [ 611.707293][ C0] RIP:
0010:native_queued_spin_lock_slowpath+0x63/0x1d0
Sep 28 15:40:01 [ 611.714847][ C0] Code: 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 1c 85 c0 74 0f 8b 07 84 c0 74 09
0f ae e8 8b 07 <84> c0 75 f7 b8 01 00 00 00 66 89 07 c3 f6 c4 01 75 04 c6 47 01
00
Sep 28 15:40:01 [ 611.738876][ C0] RSP: 0000:ffffc90000003ad8 EFLAGS:
00000202 ORIG_RAX: ffffffffffffff13
Sep 28 15:40:01 [ 611.755477][ C0] RAX: 0000000000080101 RBX:
0000000000000000 RCX: 0000000000000000
Sep 28 15:40:01 [ 611.772993][ C0] RDX: 0000000000000000 RSI:
0000000000000000 RDI: ffff8882dcf72080
Sep 28 15:40:01 [ 611.791481][ C0] RBP: ffff8882c7527800 R08:
ffff8882c7765890 R09: 0000000000000000
Sep 28 15:40:01 [ 611.810932][ C0] R10: 0000000000000000 R11:
ffffffff817b5d30 R12: ffff8882db3a7000
Sep 28 15:40:01 [ 611.830825][ C0] R13: ffff8882dcf72000 R14:
ffff8882dcf71800 R15: ffff8882db3a7000
Sep 28 15:40:01 [ 611.851397][ C0] ? apic_timer_interrupt+0xa/0x20
Sep 28 15:40:01 [ 611.862019][ C0] ? ip_fragment.constprop.0+0x80/0x80
Sep 28 15:40:01 [ 611.872654][ C0] _raw_spin_lock+0x15/0x20
Sep 28 15:40:01 [ 611.883227][ C0] __imq_nf_queue+0x3a5/0x6d0 [imq]
Sep 28 15:40:01 [ 611.893786][ C0] imq_nf_queue+0x326/0x423 [imq]
Sep 28 15:40:01 [ 611.904278][ C0] nf_queue+0x1b8/0x320
Sep 28 15:40:01 [ 611.914713][ C0] nf_hook_slow+0x82/0xe0
Sep 28 15:40:01 [ 611.925061][ C0] ip_output+0xb3/0x280
Sep 28 15:40:01 [ 611.935355][ C0] ? ip_fragment.constprop.0+0x80/0x80
Sep 28 15:40:01 [ 611.945745][ C0] ip_push_pending_frames+0x52/0x80
Sep 28 15:40:01 [ 611.956106][ C0] __icmp_send+0x4ac/0x5a0
Sep 28 15:40:01 [ 611.966513][ C0] ? nf_xfrm_me_harder+0xf4/0x110
[nf_nat]
Sep 28 15:40:02 [ 611.976960][ C0] ? ip_fragment.constprop.0+0x6d/0x80
Sep 28 15:40:02 [ 611.987406][ C0] ip_fragment.constprop.0+0x6d/0x80
Sep 28 15:40:02 [ 611.997743][ C0] nf_reinject+0x15d/0x18f
Sep 28 15:40:02 [ 612.007855][ C0] imq_dev_xmit+0x70/0xb0 [imq]
Sep 28 15:40:02 [ 612.017725][ C0] dev_hard_start_xmit+0x96/0x130
Sep 28 15:40:02 [ 612.027513][ C0] __qdisc_run+0x1bf/0x2d0
Sep 28 15:40:02 [ 612.037043][ C0] net_tx_action+0xd3/0x150
Sep 28 15:40:02 [ 612.046310][ C0] __do_softirq+0xc8/0x206
Sep 28 15:40:02 [ 612.055317][ C0] irq_exit+0xa7/0xf0
Sep 28 15:40:02 [ 612.064020][ C0] smp_apic_timer_interrupt+0x55/0x80
Sep 28 15:40:02 [ 612.072615][ C0] apic_timer_interrupt+0xf/0x20
Sep 28 15:40:02 [ 612.080970][ C0] </IRQ>
Sep 28 15:40:02 [ 612.088957][ C0] RIP: 0033:0x55e6e4
Sep 28 15:40:02 [ 612.096796][ C0] Code: 48 01 d0 48 89 c2 4c 01 c0 4c 0f
be 47 fb 48 c1 e2 05 48 01 c2 48 89 d0 48 c1 e0 05 4c 01 c2 4c 0f be 47 fc 48
01 d0 48 89 c2 <48> c1 e2 05 4c 01 c0 48 01 d0 48 0f be 57 fd 49 89 c0 49 c1 e0
05
Sep 28 15:40:02 [ 612.120192][ C0] RSP: 002b:00007ffc8f1f1fd8 EFLAGS:
00000287 ORIG_RAX: ffffffffffffff13
Sep 28 15:40:02 [ 612.135465][ C0] RAX: a888682638287cbb RBX:
00000000000002d0 RCX: 00007fb6b4431f88
Sep 28 15:40:02 [ 612.151470][ C0] RDX: a888682638287cbb RSI:
000000000000001a RDI: 00007fb6b4431f80
Sep 28 15:40:02 [ 612.168344][ C0] RBP: 0000000000001680 R08:
000000000000004c R09: 000000000000001a
Sep 28 15:40:02 [ 612.186162][ C0] R10: 00007fb6b8541948 R11:
00007fb6b8a930a0 R12: 0000000000000090
Sep 28 15:40:02 [ 612.205010][ C0] R13: 00007fb6b442daa0 R14:
00007fb6b41044d0 R15: 0000000001619440
--
You are receiving this mail because:
You are watching the assignee of the bug.
next prev parent reply other threads:[~2019-09-30 9:37 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-195755-206035@https.bugzilla.kernel.org/>
2019-09-23 0:07 ` [Bug 195755] rcu_sched detected stalls on CPUs/tasks: (detected by 0, t=6302 jiffies, g=11405, c=11404, q=1880), ppc64, G5 bugzilla-daemon
2019-09-30 9:35 ` bugzilla-daemon [this message]
2019-09-30 10:50 ` bugzilla-daemon
2020-09-24 7:41 ` bugzilla-daemon
2020-10-15 18:31 ` bugzilla-daemon
2021-06-27 17:45 ` bugzilla-daemon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=bug-195755-206035-6O9w4F5iMN@https.bugzilla.kernel.org/ \
--to=bugzilla-daemon@bugzilla.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.