From: Ralf Hildebrandt <Ralf.Hildebrandt@charite.de>
To: linux-kernel@vger.kernel.org
Subject: Re: 3.3.0: "INFO: rcu_bh detected stall on CPU 3 (t=0 jiffies)"
Date: Wed, 28 Mar 2012 13:28:22 +0200 [thread overview]
Message-ID: <20120328112822.GH16671@charite.de> (raw)
In-Reply-To: <20120327141536.GP25457@charite.de>
* Ralf Hildebrandt <Ralf.Hildebrandt@charite.de>:
>
> Mar 23 11:54:00 mail kernel:
> Mar 23 11:54:00 mail kernel: [347213.025005] INFO: rcu_bh detected stall on CPU 3 (t=0 jiffies)
> Mar 23 11:54:00 mail kernel: [347213.025005] Pid: 12654, comm: cleanup Not tainted 3.3.0 #1
> Mar 23 11:54:00 mail kernel: [347213.025005] Call Trace:
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c1062ccb>] ? __rcu_pending+0x10a/0x311
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c106388d>] ? rcu_check_callbacks+0x9b/0xa1
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c102c434>] ? update_process_times+0x2a/0x53
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c104f206>] ? tick_sched_timer+0x4f/0x90
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c103a101>] ? __remove_hrtimer+0x25/0x79
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c103a2ff>] ? __run_hrtimer.isra.32+0x38/0xbe
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c103ad95>] ? hrtimer_interrupt+0xda/0x23d
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c1016493>] ? smp_apic_timer_interrupt+0x4c/0x81
> Mar 23 11:54:00 mail kernel: [347213.025005] [<c127b5d9>] ? apic_timer_interrupt+0x31/0x38
I read http://www.kernel.org/doc/Documentation/RCU/stallwarn.txt
but couldn't find "rcu_bh detected stall" being mentioned there.
I reported the same issue on 3.2.9 (same machine!) on the 13th of march:
Mar 12 12:58:38 mail kernel: [440746.244002] INFO: rcu_bh detected stall on CPU 2 (t=0 jiffies)
Mar 12 12:58:38 mail kernel: [440746.244002] Pid: 27980, comm: /usr/sbin/amavi Tainted: G W 3.2.9 #1
Mar 12 12:58:38 mail kernel: [440746.244002] Call Trace:
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1061d26>] ? __rcu_pending+0x10a/0x30e
Mar 12 12:58:38 mail kernel: [440746.244002] [<c10626ca>] ? rcu_check_callbacks+0xd4/0xde
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1035cf2>] ? update_process_times+0x2a/0x53
Mar 12 12:58:38 mail kernel: [440746.244002] [<c104e1d2>] ? tick_sched_timer+0x4d/0x8e
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1043b53>] ? __remove_hrtimer+0x25/0x79
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1043d4f>] ? __run_hrtimer.isra.32+0x37/0xbd
Mar 12 12:58:38 mail kernel: [440746.244002] [<c10445d5>] ? hrtimer_interrupt+0xdb/0x23d
Mar 12 12:58:38 mail kernel: [440746.244002] [<c101b781>] ? vmalloc_sync_all+0x1/0x1
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1015e4c>] ? smp_apic_timer_interrupt+0x4c/0x81
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1275491>] ? apic_timer_interrupt+0x31/0x38
Mar 12 12:58:38 mail kernel: [440746.244002] [<c101b781>] ? vmalloc_sync_all+0x1/0x1
Mar 12 12:58:38 mail kernel: [440746.244002] [<c101b8c2>] ? do_page_fault+0x141/0x38f
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1030d8d>] ? irq_exit+0x34/0x87
Mar 12 12:58:38 mail kernel: [440746.244002] [<c1015e51>] ? smp_apic_timer_interrupt+0x51/0x81
Mar 12 12:58:38 mail kernel: [440746.244002] [<c101b781>] ? vmalloc_sync_all+0x1/0x1
Mar 12 12:58:38 mail kernel: [440746.244002] [<c12756b7>] ? error_code+0x67/0x6c
and so did Tilman Schmidt in February:
https://lkml.org/lkml/2012/2/18/34
--
Ralf Hildebrandt Charite Universitätsmedizin Berlin
ralf.hildebrandt@charite.de Campus Benjamin Franklin
http://www.charite.de Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155
next prev parent reply other threads:[~2012-03-28 11:28 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-27 14:15 3.3.0: "INFO: rcu_bh detected stall on CPU 3 (t=0 jiffies)" Ralf Hildebrandt
2012-03-28 11:28 ` Ralf Hildebrandt [this message]
2012-04-06 17:52 ` Paul E. McKenney
2012-04-08 16:21 ` Ralf Hildebrandt
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=20120328112822.GH16671@charite.de \
--to=ralf.hildebrandt@charite.de \
--cc=linux-kernel@vger.kernel.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.